Data Sheet
Cisco IP Communications Voice/Fax Network Module
Cisco IP Communications Voice/Fax Network Modules for the Cisco 2800, 2900, 3800, and 3900 Series
Unified Communications Routers
®
The Cisco IP Communications voice/fax network modules provide enterprises, managed service providers, and
service providers the ability to directly connect the public switched telephone network (PSTN) and traditional
telephony equipment (private branch exchange [PBX], key system, analog telephones, fax machines, etc.) to Cisco
2800, 2900, 3800 and 3900 Series Unified Communications routers. This set of Cisco IP Communications voice/fax
network modules delivers the most versatile combination of analog and digital voice and data capabilities in a single
network module. As a completely integrated component of the Cisco Unified Communications solution including
®
Cisco Unified Communications Manager (UCM), Cisco IP phones, Cisco Unity unified messaging software, Cisco IP
Contact Center (IPCC), and the entire line of Cisco IP Communications products, the Cisco IP Communications
voice/fax network modules are a cornerstone of Cisco Unified Communications. When used in a Cisco unified
communications router with Cisco UCM, Cisco Unified Survivable Remote Site Telephony (SRST), or Cisco UCM
Express, the Cisco IP Communications voice/fax network module is a complete IP Communications solution for the
business branch.
Figure 1 shows the IP Communications voice/fax network module with one VWIC2-2MFT-T1/E1 and one VIC34FXS/DID.
Figure 1.
NM-HD-2VE with One VWIC2-2MFT and One VIC3-4FXS/DID
The Cisco IP Communications voice/fax network modules for the Cisco 2800, 2900, 3800, and 3900 Series unified
communications routers enable packet voice technologies including VoIP (H.323, Media Gateway Control Protocol
[MGCP], and Session Initiation Protocol [SIP]). Cisco Unified Communications solutions provide the means for
integrating voice and data within a single network, allowing users to take advantage of services such as IP
telephony, integrated services, and toll-bypass while providing an opportunity to improve productivity. By operating
on Cisco IOS Software, these solutions incorporate advanced quality-of-service (QoS) features, intelligent network
queuing, and standards-based encapsulation, providing efficient direct transport of both voice and fax over IP
networks. Cisco IOS Software solutions enable time-sensitive voice traffic to be moved across even low-bandwidth
WAN connections with the priority and quality that voice and fax demand. Transporting voice over IP networks
continues to provide transport flexibility because IP can be routed across a multitude of WAN technologies (leased
lines, Frame Relay, and ATM) along with providing direct connectivity to the desktop.
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
Page 1 of 1
Data Sheet
Figure 2 shows an IP telephony application using Cisco UCM Express and SRST in a business branch.
Figure 2.
IP Telephony Application Using Cisco UCM Express and SRST in the Business Branch
The 2900 Series and 3900 Series Integrated Services Routers support Network Modules via an adapter (part
number SM-NM-ADPTR).
The Cisco IP Communications voice/fax network modules support either one or two Cisco voice interface cards
(VICs) or Cisco voice/WAN interface cards (VWICs) and install into network module slots for the Cisco 2800, 2900,
3800, and 3900 series unified communications routers. The Cisco VICs are daughter cards that install into the
network modules and provide the interface to the PSTN and to telephony equipment (PBX, key systems, fax
machines, phones). The Cisco VWICs are daughter cards that provide the interface to the PBX, PSTN, and/or WAN.
VICs include 2-port foreign exchange station (FXS), direct inward dial (DID), foreign exchange office (FXO), and
E&M analog interface cards. Also available are 4-port FXS and 4-port FXO cards and a 2-port ISDN Basic Rate
Interface (BRI) digital interface card providing –40V phantom power. These cards cover the entire range of analog
connectivity options along with user-side and network-side digital BRI connections (Table 1). Cisco VWICs include 1and 2-port T1 and E1 interface cards with optional drop-and-insert capability. These cards cover a full range of digital
voice and WAN connectivity options and provide connectivity to the world’s PBXs, PSTNs, and Post, Telephone, and
Telegraph (PTT) organizations.
Cisco IP Communications voice/fax network modules provide the gateway to Cisco Unified Communications for calls
to and from the PSTN and the traditional telephony equipment. Users can deploy networks that take advantage of
investments in existing telephony equipment while also deploying and integrating IP telephony immediately or in the
future. These network modules enable users to operate at any point on the integrated voice, video, and data
infrastructure spectrum while incrementally adding connections to both traditional telephony and IP telephony.
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
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Data Sheet
Table 1.
Cisco Voice/WAN Interface Cards
The 2900 Series and 3900 Series Integrated Services Routers support Network Modules via an adapter (part number SM-NM-ADPTR).
Part Number
Description
Application
NM-HD-1V
1-slot IP communications voice/fax network
module.
Supports up to four channels of analog/BRI voice using any supported coderdecoder (codec). (No support for T1/E1 or data WAN.)
NM-HD-2V
2-slot IP communications voice/fax network
module.
Supports up to eight channels of analog/BRI voice using medium complexity
codec or six channels using any supported codec. (No support for T1/E1 or
data WAN)
NM-HD-2VE
2-slot IP communications enhanced
voice/fax network module.
Supports analog/BRI/T1/E1 voice and data WAN. Supports up to 48
channels of G.711 codec, 24 channels of medium-complexity codec, or 18
channels of any supported codec. Offers maximum investment protection
with support for analog/digital voice and data WAN.
VIC3-2FXS/DID
VIC3-2FXS-E/DID
2-port FXS/DID voice/fax interface card.
FXS port is used to connect directly to phones, fax machines, and key
systems. Generates battery polarity reversal and caller ID.
DID port is used to provide off-premises DID connection from central office.
Serves only incoming calls from the PSTN. Supports caller ID.
FXS port is used to connect directly to phones, fax machines, and key
systems. Generates battery polarity reversal and caller ID. VIC3-2FXSE/DID is designated as an “Off-Premise Extension Lite” product offering.
2-port Enhanced FXS/DID voice/fax interface This means that while the module addresses a subset of the off-premise
extension applications, it should be noted that the module is not in full
card.
compliance for off-premise usage.
DID port is used to provide off-premises DID connection from central office.
Serves only incoming calls from the PSTN. Supports caller ID.
FXS port is used to connect directly to phones, fax machines, and key
systems. Generates battery polarity reversal and caller ID.
VIC3-4FXS/DID
4-port FXS/DID voice/fax interface card
VIC2-2FXO
2-port FXO voice/fax interface card
[universal card for all countries]. Also
supports analog Centralized Automated
Message Accounting (CAMA) on any port.
FXO port is used to connect to PBX or key system, or to provide off-premises
connections to PSTN or PTT. Supports battery reversal detection and caller
ID. These Cisco VICs can be software configured to work in all countries.
Also used to connect to analog CAMA trunk to provide dedicated E-911
service (North America only)
VIC2-4FXO
4-port FXO voice/fax interface card
[universal card for all countries]. Also
supports analog CAMA on any port.
FXO port is used to connect to PBX or key system, or to provide off-premises
connections to PSTN or PTT. Supports battery reversal detection and caller
ID. These Cisco VICs can be software configured to work in all countries.
Also used to connect to analog CAMA trunk to provide dedicated E-911
service (North America only)
VIC3-2E/M
2-port E&M voice/fax interface card.
Used to connect to PBX or key system as tie lines.
VIC2-2BRI-NT/TE
2-port BRI voice/fax interface card
(configurable for either network or terminal
side).
Used to connect as network side or user side to PBX or key system as
off-premises connections (ISDN voice BRI). Supports patent-pending flexible
Layer 2 and Layer 3 configurations.
VWIC2-1MFT-T1/E1
1-Port T1/E1 Multiflex Trunk Voice/WAN
Interface Card
Used to connect to PBX, PSTN, or WAN using T1/E1 standard interface and
provide channel drop-and-insert capability.
VWIC2-2MFT-T1/E1
2-Port T1/E1 Multiflex Trunk Voice/WAN
Interface Card
Used to connect to PBX, PSTN, or WAN using T1/E1 standard interface and
provide channel drop-and-insert capability.
VWIC2-1MFT-G703
1-Port G.703 Multiflex Trunk Voice/WAN
Interface Card
Used to support unstructured E1 (G.703) and all features of the other Cisco
MFT VWIC2 modules, including drop-and-insert.
VWIC2-2MFT-G703
2-Port G.703 Multiflex Trunk Voice/WAN
Interface Card
Used to support unstructured E1 (G.703) and all features of the other Cisco
MFT VWIC2 modules, including drop-and-insert. Additional flexibility is
provided on the two port module with the capability to configure one port for
unstructured E1 (G.703) while configuring the other for standard framed E1.
DID port is used to provide off-premises DID connection from central office.
Serves only incoming calls from the PSTN. Supports caller ID.
Table 2 shows the maximum number of Cisco IP Communications voice/fax network modules allowed per Cisco
platform.
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
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Data Sheet
Table 2.
Number of Cisco IP Communications Voice/Fax Network Modules Allowed per Cisco Platform
Cisco Platform
Maximum Number of Network Modules Allowed
Cisco 2811/2821/2851 Integrated Services Routers
1
Cisco 3825 Integrated Services Router
2
Cisco 3845 Integrated Services Router
4
Cisco 2901/2911/2921/2951 Integrated Services Routers
0/1/1/2
Cisco 3925/3945 Integrated Services Routers
2/4
Table 3 summarizes the features and benefits of Cisco IP Communications voice/fax network modules.
Table 3.
Features and Benefits
Feature
Description and Benefits
IP Telephony Unified communications
● Integrates all Cisco IP Communications solutions by providing flexible and reliable
connectivity to public or private switched telephone networks around the world.
● Provides gateway for Cisco IP phones to PSTN or traditional PBXs and private automatic
branch exchanges (PABXs).
● Provides gateway to PSTN for traditional PBXs, phones, fax machines, and key communication
systems connected to a voice, data, and video infrastructure.
Toll Bypass
● Reduce or eliminate toll charges assessed by long distance and local carriers by transporting
voice and fax traffic across the enterprise intranet, LAN, metropolitan-area network (MAN), or
WAN.
● Works with existing phones, faxes, PBXs, and key systems.
● Connection trunks creates a permanent tie-line replacement structure (digital-to-digital, digitalto-analog, or analog-to-analog capabilities).
● Interoperates end-to-end with Cisco IP phones, analog phones, fax machine connections, and
PBX or PABX connections to and from other Cisco voice enabled products.
Voice over Packet Transport
● Voice/Fax over IP—VoIP traffic at Layer 3 can travel over any Layer 1 or Layer 2 media,
including ISDN, leased lines, serial connections, and Ethernet.
● Compressed Real-Time Protocol (cRTP) offers RTP header compression and packet
fragmentation techniques that allow toll-quality voice and fax transmissions over any WAN
connection.
● Call Admission Control and PSTN Fallback uses Service Assurance Agent (SAA) to
determine latency, delay and jitter and provide real-time Calculated Planning Impairment Factor
(ICPIF) calculations before establishing a call across an IP infrastructure. SAA packets emulate
voice packets receiving the same priority as voice throughout the entire network.
● Advanced QoS Mechanisms—These configurable Cisco IOS Software features reserve
appropriate bandwidth and prioritize voice and fax traffic to help ensure transparent delivery
of toll-quality voice and fax. They include Resource Reservation Protocol (RSVP), queuing
techniques (such as Low Latency Queuing), IP Precedence, and differentiated services code
points (DSCPs).
Call Control Signaling
Supports H.323 V1/V2/V3/V4, MGCP 0.1/1.0, and SIP call control protocols. Also supports Cisco
UCM using MGCP, H.323, or SIP.
International Telecommunications Union
(ITU) Standard Voice Codecs
G.711, G.729, G.729a/b, G.723.1, G.726, G.728, iLBC, G.722—These are standards-based
compression technologies allowing transmission of voice across IP.
Telephony Interface Signaling Support
Supports the following signaling protocols:
● FXO/FXS loop-start and ground-start signaling
● E&M (wink, immediate, delay)
● Inbound signaling (such as dual-tone multifrequency [DTMF], multifrequency support)
● T1 and E1 channel associated signaling (CAS)
● T1 and E1 PRI Q.931 user side and network side
● T1 and E1 PRI QSIG
● E1 MelCAS
● E1 R2 CAS
● T1 and E1 Transparent common channel signaling (CCS) (with multiple-D channel)
● Country-specific signaling
Voice Features
● Echo Cancellation—Cancels echo on tail circuits up to 32 msec (configurable tail length)
● Silence Suppression, Voice Activity Detection (VAD)—Bandwidth is used only when
someone is speaking. During silent periods of a phone call, bandwidth is available for data traffic.
● Comfort Noise Generation—This feature reassures the phone user that the connection is being
maintained, even when no voice packets are being transmitted
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
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Data Sheet
Feature
Description and Benefits
● Private Line Automatic Ring-Down (PLAR)—Provides a direct connection to another digital or
analog voice port by lifting a telephone handset on one end. Includes “Trader Turret” PLAR
● Local/Advanced Voice Busy-Out—Automatically busies out any desired voice trunk line to a
PBX or PSTN when a direct WAN or LAN connection to the router or any part of the network to
the destination port is down
● Caller ID Support—Per-port configurable caller ID (with per call un-blocking) over analog FXS,
FXO and DID interfaces
● Hunt Groups Across Cards—Calls can be forwarded automatically to the first available line
● Integrated Add and Drop Multiplexer (Drop and Insert)—Performs add and drop multiplexing
for voice within a dual-port voice network module. Eliminates the requirement, maintenance,
support, and expense of using an external add and drop multiplexer.
● Channel Bank—Supports the conversion of analog voice ports into digital voice traffic using DS0 channels on a T1 or E1 interface (only supported on NM-HD-2VE)
● Dial Plan Mapping—Simplifies configuration and management through automatic mapping of
dialed phone numbers to IP addresses
● Interactive Voice Response (IVR) Support—Provides automated attendant, voice-mail
support, and call routing based on desired service
● Hoot and Holler over IP—Delivers superior quality Hoot and Holler multicast voice services and
multicast conferencing over the WAN using existing end-points.
Voice Port Interfaces
Support FXS, FXO (includes CAMA), DID, E/M, BRI (S/T, NT/T), T1, and E1. (T1 and E1
only supported on NM-HD-2VE)
Voice Port-Specific Features
● FXS and FXO—Provide battery polarity reversal detection and initiation for disconnect
supervision and far-end answer supervision
● ISDN BRI Network Side and Phantom Power—The VIC2-2BRI-NT/TE provides the ability to
connect a PBX or PABX configured as user side directly to the router. Also provides phantom
power to accommodate equipment that requires it
● Analog CAMA Trunk Connection—The VIC2-2FXO and VIC2-4FXO provide the ability to
connect to analog CAMA trunks which provide dedicated E-911 services. Each Cisco VIC port
can be individually configured as an FXO or a CAMA port via Cisco IOS Software.
● Per Port Disable—Allows disabling of any single port without affecting any other port on the
same VIC or network module.
● LED indicators for voice-processing resources and port status.
Fax and Modem
● Fax and Modem Pass-Through—Allows fax and modem traffic to pass through a voice port.
● Fax Relay—Provides a more robust protocol for fax transmission over packet networks. Also
supports the T.37 and T.38 fax protocols.
Data Features (Only Supported on NM-HD2VE)
● Support serial data WAN access using T1/E1 or fractional T1/E1 network interface
● N X 64 Kbps or N X 56 Kbps channel group data rates (T1:N=1 to 24, E1:N=1 to 31)
● Supports up to 32 data channel groups with a total bandwidth of up to 2 Mbps
● Supports integrated data WAN access and DS-0 voice channels on the same T1/E1
High-Performance Flexible Digital Signal
Processor (DSP) Architecture
● Channel Capacity—Supports up to 48 voice channels. See network module specifications
below for further details.
● Flexible DSP Architecture—There is no need to specify codec complexity at configuration.
An appropriate codec is dynamically selected when a call is established, while allocating DSP
resources optimally.
● Feature Upgrades—The DSP architecture allows for addition of new features through simple
code updates.
Additional Features
Cisco IOS Software and Platform Support
●
Fully supported via Cisco IOS Software command-line interface (CLI) including device configuration,
monitoring, link status, network security, Layer 2 and 3 protocol configuration and management, and call
history
Supported on all Cisco 2800, 2900, 3800 and 3900 Series unified communications routers
Traditional Circuit-Switched PBX Support
●
Verified PBX interoperability with Lucent Definity series (G3r), Nortel Meridian series (Option 11), Siemens
HICOM 330E, NEC NEAX 2400, Alcatel 4400, and Ericsson MD110. Other PBXs continue to be tested.
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
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Data Sheet
Network Management Support
●
Cisco UCM
●
Simple Network Management Protocol (SNMP) compliant
●
Manageable via a Management Information Base (MIB) browser
●
CiscoView interface for configuration
●
ConfigMaker
●
NetSys supported
Software and Memory Requirements
Table 4 shows the software and memory requirements for the Cisco IP Communications voice/fax network modules
and Cisco voice interface cards.
Table 4.
Software and Memory Requirements for Voice/Fax Network Modules and Voice Interface Cards
Product
Cisco 2800 Series
NM-HD-1V
NM-HD-2V
Cisco IOS Software Version
Cisco 3800 Series
● Cisco IOS Software Release 12.3(8)T4
● “IP Voice” images
● Cisco IOS Software Release
12.3(11)T
● “IP Voice” images
● Cisco IOS Software Release
15.0(1)M
● “UC Technology” images
● Cisco IOS Software Release 12.3(8)T4
● “IP Voice” images
● Cisco IOS Software Release
12.3(11)T
● “IP Voice” images
● Cisco IOS Software Release
15.0(1)M
● “UC Technology” images
NM-HD-2VE
VIC3-2FXS/DID
VIC3-2FXS-E/DID
Cisco 2900 and 3900 Series
VIC3-4FXS/DID
VIC2-2FXO
VIC2-4FXO
VIC3-2E/M
VIC2-2BRI-NT/TE
VWIC2-xMFT-xx
Note:
Use Cisco UCM version 3.3(3) for MGCP support.
Note:
Please refer to the Cisco IOS Software release notes for determining the minimum flash and dynamic RAM
(DRAM) requirements.
Technical Specifications
Environmental Specifications (Same for All Modules)
●
Operating temperature: 32 to 104° F (0 to 40º C)
●
Storage temperature: -13 to 158° F (-25 to +70º C)
●
Relative humidity: 5 to 85 percent noncondensing operating; 5 to 95 percent noncondensing, nonoperating
Network Module Specifications
Table 5 lists specifications for Cisco IP Communications voice/fax network modules.
Table 5.
Specifications for IP Communications Voice/Fax Network Modules
Description
NM-HD-1V
NM-HD-2V
NM-HD-2VE
1-slot Cisco IP Communications
voice/fax network module
2-slot Cisco IP Communications
voice/fax network module
2-slot Cisco IP Communications
enhanced voice/fax network module
Cisco IOS Software Release
2800/3800 IP Voice 12.3ST and later
2900/3900 UC Technology Package, 15.0(1)M and later
Cisco Part Number
800-21590-01
800-21591-01
800-20164-01
FCC Specifications
FCC Class B device
FCC Class B device
FCC Class B device
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
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Data Sheet
NM-HD-1V
NM-HD-2V
NM-HD-2VE
Spare
NM-HD-1V=
NM-HD-2V=
NM-HD-2VE=
Voice Channel Capacity
4 any complexity codec
6 any complexity or 8
medium complexity
18 any complexity, 24 medium
complexity, or 48 G.711
Mean Time Between Failure
(MTBF)
1,605,514 hours
1,312,760 hours
1,092,352 hours
Cisco VWIC2s Required, on
2800/3800/2900/3900
Cisco VICs Required, on
2800/3800/2900/3900
Any VWIC2-xMFT-xx
(except VWIC-xMFT-G703)
Requires one Cisco VIC:
● VIC3-2FXS/DID
● VIC3-2FXS-E/DID
● VIC3-4FXS/DID
● VIC2-2FXO
● VIC2-4FXO
● VIC3-2E/M
● VIC2-2BRI-NT/TE
Requires at least one Cisco VIC
(maximum of two):
● VIC3-2FXS/DID
Requires at least one Cisco VIC
(maximum of two):
● VIC3-2FXS/DID
● VIC3-2FXS-E/DID
● VIC3-4FXS/DID
● VIC3-2FXS-E/DID
● VIC3-4FXS/DID
● VIC2-2FXO
● VIC2-4FXO
● VIC2-2FXO
● VIC2-4FXO
● VIC3-2E/M
● VIC2-2BRI-NT/TE
● VIC3-2E/M
● VIC2-2BRI-NT/TE
VIC Specifications
Tables 6 through 11 show the specifications for the Cisco Voice Interface Cards (VIC).
Table 6.
VIC3-2FXS/DID Specifications: 2-Port FXS/DID Voice/Fax Interface Card (for On-Premise Use Only)
Feature
Description
Interface Type
FXS (on-premise connection only) and DID trunk
Cisco IOS Software Release
12.4(20)T
Cisco Part Number
800-30501-01
Compliance
FCC Class B device, CE
Safety Conformance
UL1950
Spare
VIC3-2FXS/DID=
Address Signaling Formats
Signaling Modes
● In-band DTMF
● Out-of-band pulse ( 8–12 pps)
FXS: Loop-start, ground-start
DID: Immediate, Delay-dial, WinkStart
DID Loop Resistance
Up to 1800 ohms (including terminal equipment)
FXS Loop Resistance
Up to 600 ohms (including phone or terminal equipment)
On-Hook Voltage
–44V
Off-Hook Loop Current
25 mA (max)
Ringing Tone
Configurable for different country requirements
Ringing Voltage
45 Vrms into 5REN at zero loop length (balanced)
Ringing Frequencies
20 Hz, 25 Hz, 30 Hz, 50 Hz
REN Loading
5 REN/port, 8 REN/VIC (max)
Disconnect Supervision
Power denial (Calling Party Control, far-end disconnect)
Caller ID
On-hook transmission of frequency-shift-keying (FSK) data
Loop Length
<1500 ft (450 m) 24 AWG Category 5 twisted pair cable
Physical Connector
RJ-11
Number of Connectors/Ports
Two
MTBF
2,534,574 hours
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
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Data Sheet
Table 7.
VIC3-2FXS-E/DID Specifications: 2-Port FXS-E/DID Voice/Fax Interface Card (for OPX Lite Applications)
Feature
Description
Interface Type
FXS (for OPX Lite applications) and DID trunk
Cisco IOS Software Release
12.4(20)T
Cisco Part Number
800-27471-02
Compliance
FCC Class B device, CE
Safety Conformance
UL1950
Spare
VIC2-2FXS-E/DID=
Address Signaling Formats
Signaling Modes
● In-band DTMF
● Out-of-band pulse (8–12 pps)
FXS: loop-start, ground-start
DID: Immediate, delay dial, wink start
DID Loop Resistance
Up to 1800 ohms (including terminal equipment)
FXS Loop Resistance
Up to 1400 ohms (including phone or terminal equipment)
On-Hook Voltage
–44V
Off-Hook Loop Current
35 mA for FXS and 25 mA for DID (max)
Ringing Tone
Configurable for different country requirements
Ringing Voltage
62 Vrms into 2 REN at zero loop length (balanced)
Ringing Frequencies
20 Hz, 25 Hz, 30 Hz, 50 Hz
REN Loading
2 REN / port (max)
Ringing DC Offset Options
10V, 20V, 24V, 30V and 35V DC (reduces ringing amplitude), Default = 0V (balanced)
Disconnect Supervision
Power denial (Calling Party Control, far-end disconnect)
Caller ID
On-hook transmission of frequency-shift-keying (FSK) data
Loop Length
Up to 11,000 feet (3.3 KM) 24 AWG Category 5 twisted pair cable
Physical Connector
RJ-11
Number of Connectors/Ports
Two
MTBF
2,534,574 hours
Table 8.
VIC3-4FXS/DID Specifications: 4-Port FXS or DID Voice/Fax Interface Card
Feature
Description
Interface Type
FXS and DID trunk
Cisco IOS Software Release
12.4(20)T
Cisco Part Number
800-27473-02
Compliance
FCC Class B device, CE
Safety Conformance
UL1950
Spare
VIC3-4FXS/DID
Address Signaling Formats
Signaling Modes
● In-band DTMF
● Out-of-band pulse ( 8–12 pps)
FXS: loop-start, ground-start
DID: Immediate, Delay-dial, WinkStart
DID Loop Resistance
Up to 1800 ohms (including terminal equipment)
FXS Loop Resistance
Up to 600 ohms (including phone or terminal equipment)
On-Hook Voltage
–44V
Off-Hook Loop Current
25 mA (max)
Ringing Tone
Configurable for different country requirements
Ringing Voltage
45 Vrms into 5 REN at zero loop length (balanced)
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
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Data Sheet
Feature
Description
Ringing Frequencies
20 Hz, 25 Hz, 30 Hz, 50 Hz
REN Loading
5 REN/port, 8 REN/VIC (max) and 2 REN/port with mixed mode FXS/DID ports
Disconnect Supervision
Power denial (Calling Party Control, far-end disconnect)
Caller ID
On-hook transmission of frequency-shift-keying (FSK) data
Loop Length
<1500 ft (450 m.) 24 AWG Category 5 twisted pair cable
Physical Connector
RJ-11
Number of Connectors/Ports
Four
MTBF
2,131,306 hours
Table 9.
VIC2-2FXO and VIC2-4FXO Specifications: 2- or 4-Port FXO Voice/Fax Interface Card with Battery Reversal
Detection and Caller ID (for All Countries); Includes Support for North American Analog CAMA Trunk Interface (User
Side)
Feature
Description
Interface Type
FXO
Cisco IOS Software Release
12.3(8)T
Cisco Part Number
VIC2-2FXO: 800-21597-01, VIC2-4FXO: 800-21589-01
Compliance
FCC Class B device, CE
Safety Conformance
UL1950
Spare
VIC2-2FXO=, VIC2-4FXO=
Signaling Modes
Loop-start, ground-start
Address Signaling Formats
● In-band DTMF
● Out-of-band pulse (10/20 pps)
Tone Disconnect Supervision
Call disconnect on progress tone of less than 600 Hz
Battery Polarity Reversal Detection
Detection of disconnect supervision and far-end answer supervision via battery polarity reversal
Power Interrupt Disconnect
Call disconnect on power interrupt of > 600 ms
Physical Connector
RJ-11
Number of Connectors/Ports
Two for VIC2-2FXO, four for VIC2-4FXO
MTBF
2,043,450 hours for VIC2-2FXO; 1,245,152 hours for VIC2-4FXO
Table 10.
VIC3-2E/M Specifications: 2-Port E&M Voice/Fax Interface Card
Feature
Description
Interface Type
E&M (for PBX trunking, hoot phones, or radio systems)
Cisco IOS Software Release
12.4(20)T
Cisco Part Number
800-27470-03
Compliance
FCC Class B device, CE
Safety Conformance
UL 1950
Spare
VIC3-2E/M
Address Signaling Formats
● In-band DTMF
● Out-of-band pulse (10/20 pps)
Signaling Modes
Immediate, delay dial, wink start
Signaling Types
I, II, III, and V
E-Lead Current Limit
100 mA
M-Lead Sensitivity
> 3 mA
Pulse Distortion
< 2 percent
Physical Connector
RJ-45
Number of Connectors/Ports
Two
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
Page 9 of 12
Data Sheet
Feature
Description
MTBF
1,825,192 hours
Table 11.
VIC2-2BRI-NT/TE Specifications : 2-Port BRI Voice/Fax Interface Card (User or Network Side)
Feature
Description
VIC2-2BRI-NT/TE
Two-port BRI voice/fax interface card (user or network side)
Interface Type
ISDN BRI
Cisco IOS Software Release
12.3(8)T
Cisco Part Number
800-21861-01
● FCC Part 68
● CS03
Compliance
● CTR3
● TS-031
● JATE Green Book
Safety Conformance
UL1950, CAN/CSA-C22.2, IEC 950, EN60950
Spare
VIC2-2BRI-NT/TE=
ITU Compliance
ITU-T Q.920, Q.921, Q.930, Q.931
Interface
Four-wire user side S/T or network-side NT (software-configurable)
ISDN Digital Access
BRI 2B+D
Physical Connector
RJ-45
Number of Connectors/Ports
Two
Phantom Power
30 mA at 40V maximum per port
MTBF
2,682,752 hours
VWIC2 Specifications
Table 12 shows the Cisco VWIC2 specifications.
Table 12.
VWIC2 Specifications (Refer to “CISCO SECOND-GENERATION 1- AND 2-PORT T1/E1 MULTIFLEX TRUNK
VOICE/WAN INTERFACE CARDS” Data Sheet)
Cisco Product Number
Description
VWIC2-1MFT-T1/E1
1-Port T1/E1 Multiflex Trunk Voice/WAN Interface Card
VWIC2-2MFT-T1/E1
2-Port T1/E1 Multiflex Trunk Voice/WAN Interface Card
VWIC2-1MFT-G703
1-Port G.703 Multiflex Trunk Voice/WAN Interface Card
VWIC2-2MFT-G703
2-Port G.703 Multiflex Trunk Voice/WAN Interface Card
CAB-E1-RJ45BNC
E1 cable RJ-45 to dual BNC (unbalanced)
CAB-E1-RJ45TWIN
E1 cable RJ-45 to Twinax (balanced)
Table 13.
T1 Network Interface
Feature
Description
Transmit Bit Rate
1.544 Mbps ± 50 bps/32 PPM
Receive Bit Rate
1.544 Mbps ± 50 bps/32 PPM
Line Code
AMI, B8ZS
AMI Ones Density
Enforced for N x 56 Kbps channels
Framing Format
D4 (SF) and ESF
Output Level (LBO)
0, -7.5, or -15 dB
Input Level
+1dB0 down to -24 dB0
Data Terminal Equipment (DTE)
Interface (WIC mode)
Fractional service
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
Page 10 of 12
Data Sheet
Feature
Description
DTE Interface (VIC mode)
G.704/structured
Data Circuit-Terminating Equipment
(DCE) Interface
G.704/structured
Table 14.
E1 Network Interface
Feature
Description
Transmit Bit Rate
2.048 Mbps ± 100 bps/50 PPM
Receive Bit Rate
2.048 Mbps ± 100 bps/50 PPM
Data Rate
1.984 Mbps (framed mode) per E1 port
Clocking
Internal and loop (recovered from network)
E1 National Bits
Fixed (non-configurable)
Encoding
HDB3
DTE Interface (WIC mode)
Fractional service
DTE Interface (VIC mode)
G.704/structured
DCE Interface
G.704/structured
Homologation
The following Cisco VICs are approved for the countries listed below (Table 15). The approvals are for off-premise
and on-premise connections, unless stated otherwise.
For the latest country approval status of these cards, please refer to this web page:
http://tools.cisco.com/cse/prdapp/jsp/externalsearch.do?action=externalsearch&page=EXTERNAL_SEARCH
For the approval status of Cisco VWIC cards, please see the data sheet for “Cisco One and Two Port T1/E1 Multiflex
Voice/WAN Interface Cards.”
Table 15.
Cisco Voice Interface Card Approval by Country
VIC2-2FXO
VIC2-4FXO
VIC3-2FXS/DID
(on Premise Only)
VIC3-2FXS-E/DID
(OPX Lite)
VIC3-4FXS/DID
(on Premise Only)
VIC3-2E/M (on
Premise Only)
VIC2-2BRI-NT/TE
United States
United States
United States
United States
United States
United States
United States
● Canada
● CE countries*
● Canada
● CE countries*
● Canada
● CE countries*
● Canada
● CE countries*
● Canada
● CE countries*
● Canada
● CE countries*
● Canada
● CE countries*
● Australia
● Japan
● Australia
● Japan
● Australia
● Japan
● Australia
● Japan
● Australia
● Japan
● Australia
● Japan
● Japan
● Hungary
● Hungary
● Poland
● Hungary
● Poland
● Hungary
● New Zealand
● Hungary
● New Zealand
● Hungary
● Singapore
● Poland
● Croatia
● Singapore
● Croatia
● Singapore
*European Community countries: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg,
Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom.
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© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
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Data Sheet
Printed in USA
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
C78-562561-01
11/09
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