Connectors and Cables
A P P E N D I X
C
Cable and Connectors
This appendix describes the switch ports and the cables and adapters that you use to connect the switch
to other devices.
Connector Specifications
These sections describe the connectors used with the Cisco IE 3000 switch.
10/100 Ports
The 10/100 and 10/100/1000 Ethernet ports on switches use standard RJ-45 connectors and Ethernet
pinouts with internal crossovers. Figure C-1 and Figure C-2 show the pinouts.
The auto-MDIX feature described briefly in this guide is enabled by default. For configuration
information for this feature, see the switch software configuration guide or the switch command
reference.
The PoE ports on the PoE expansion modules integrate power and data signals on the same wires. The
ports use standard RJ-45 connectors and Ethernet pinouts with internal crossovers. Figure C-1 shows the
pinouts.
Connecting to 10BASE-T- and 100BASE-TX-Compatible Devices
When connecting the ports to 10BASE-T- and 100BASE-TX-compatible devices, such as servers,
workstations, and routers, you can use a two or four twisted-pair, straight-through cable wired for
10BASE-T and 100BASE-TX. Figure C-5 shows the two twisted-pair, straight-through cable
schematics. Figure C-7 shows the four twisted-pair, straight-through cable schematics.
When connecting the ports to 10BASE-T- and 100BASE-TX-compatible devices, such as switches or
repeaters, you can use a two or four twisted-pair, crossover cable. Figure C-6 shows the two twisted-pair,
crossover cable schematics. Figure C-8 shows the four twisted-pair, crossover cable schematics.
You can use Category 3, 4, or 5 cabling when connecting to 10BASE-T-compatible devices. You must
use Category 5 cabling when connecting to 100BASE-TX-compatible devices.
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Appendix C
Cable and Connectors
Connector Specifications
Connecting to 1000BASE-T Devices
When connecting the ports to 1000BASE-T devices, such as servers, workstations, and routers, you must
use a four twisted-pair, Category 5, straight-through cable wired for 10BASE-T, 100BASE-TX, and
1000BASE-T. Figure C-7 shows the straight-through cable schematics.
When connecting the ports to other devices, such as switches or repeaters, you must use a four
twisted-pair, Category 5, crossover cable. Figure C-8 shows the crossover cable schematics.
Use a straight-through cable to connect two ports only when one port is designated with an X. Use a
crossover cable to connect two ports when both ports are designated with an X or when both ports do
not have an X.
10/100 Port Pinouts
Pin
Label
1
RD+
2
RD-
3
TD+
4
NC
5
NC
6
TD-
7
NC
8
NC
Figure C-2
10/100/1000 Port Pinouts
Pin
Label
1
TP0+
2
TP0-
3
TP1+
4
TP2+
5
TP2-
6
TP1-
7
TP3+
8
TP3-
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1 2 3 4 5 6 7 8
H5318
Figure C-1
1 2 3 4 5 6 7 8
60915
Note
Appendix C
Cable and Connectors
Connector Specifications
100BASE-FX Ports
The 100BASE-FX ports use MT-RJ connectors. See Figure C-3. The 100BASE-FX ports use 50/125- or
62.5/125-micron multimode fiber-optic cabling.
Fiber-Optic SFP Module LC Connector
58476
Figure C-3
Warning
Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into
beams or view directly with optical instruments.
PoE Expansion Module Ports (IEM-3000-4PC and IEM-3000-4PC-4TC Only)
This section applies only to the Cisco IEM-3000-4PC and the Cisco IEM-3000-4PC-4TC PoE expansion
modules only.
Warning
Voltages that present a shock hazard may exist on Power over Ethernet (PoE) circuits if
interconnections are made using uninsulated exposed metal contacts, conductors, or terminals.
Avoid using such interconnection methods, unless the exposed metal parts are located within a
restricted access location and users and service people who are authorized within the restricted
access location are made aware of the hazard. A restricted access area can be accessed only
through the use of a special tool, lock and key or other means of security. Statement 1072
•
Each of the four PoE ports on the IEM-3000-4PC or the IEM-3000-4PC-4TC deliver up to 15.4 W
of PoE.
•
Two ports on each PoE expansion module can also be configured as PoE+ ports (up to 30 W of PoE)
for non-office/computer room environments (IEC 60950). The remainder of the ports are non-PoE.
•
On a per-port basis, you can control whether or not a PoE port automatically provides power when
an IP phone or a powered device is connected. The device manager, Network Assistant, and the CLI
provide PoE settings for each PoE port:
– Auto: When you select the Auto setting, the port provides power only if a valid powered device,
such as an IEEE 802.3af-compliant powered device is connected. The Auto setting is the
default.
– Never: When you select the Never setting, the port does not provide power even if a powered
device is connected.
•
You also can connect a powered device to the PoE expansion module port and to an external power
source for redundant power. The powered device might switch to the AC power source as its primary
power source upon being connected to it. In that case, the PoE port becomes the backup power
source for the powered device. If the primary source fails, the second power source becomes the
primary power source to the powered device. During the power transfer, the powered device might
reboot or reestablish link with the switch.
Cisco IE 3000 Switch Hardware Installation Guide
C-3
Appendix C
Cable and Connectors
Connector Specifications
For information about configuring and monitoring PoE ports, see the switch software configuration
guide.
SFP Transceiver Ports
The switch uses SFP transceivers for fiber-optic uplink ports (see Figure C-3) and for copper SFP ports
(see Figure C-4). See the switch release notes for a list of supported SFP transceivers.
Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into
beams or view directly with optical instruments.
Figure C-4
Copper SFP Transceiver RJ-45 Connector
Pin
Label
1
TP0+
2
TP0-
3
TP1+
4
TP2+
5
TP2-
6
TP1-
7
TP3+
8
TP3-
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60915
Warning
Appendix C
Cable and Connectors
Cable and Adapter Specifications
Dual-Purpose Ports
The Ethernet port on a dual-purpose port uses standard RJ-45 connectors. Figure C-2 shows the pinouts.
The SFP transceiver slot on a dual-purpose port uses SFP modules for fiber-optic and copper uplink
ports. See the switch release notes for a list of supported SFP transceivers.
The auto-MDIX feature is enabled by default. For configuration information for this feature, see the
switch software configuration guide or the switch command reference.
Console Port
The console port uses an 8-pin RJ-45 connector, which is described in Table C-2 and Table C-2. The
supplied RJ-45-to-DB-9 adapter cable is used to connect the console port of the switch to a console PC.
You need to provide a RJ-45-to-DB-25 female DTE adapter if you want to connect the switch console
port to a terminal. You can order a kit (part number ACS-DSBUASYN=) containing that adapter from
Cisco. For console port and adapter pinout information, see Table C-2 and Table C-3.
Cable and Adapter Specifications
These sections describe the cables and adapters used with Cisco IE 3000 switches.
•
SFP Transceiver Cable Specifications, page C-5
•
Two Twisted-Pair Cable Pinouts, page C-8
•
Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports, page C-9
•
Crossover Cable and Adapter Pinouts, page C-10
•
Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports, page C-9
SFP Transceiver Cable Specifications
Table C-1 lists the cable specifications for the rugged fiber-optic SFP transceiver connections. Each port
must match the wave-length specifications on the other end of the cable, and for reliable
communications, the cable must not exceed the required cable length. Copper 1000BASE-T SFP
transceivers use standard four twisted-pair, Category 5 or greater cable at lengths up to 328 feet
(100 meters).
Cisco IE 3000 Switch Hardware Installation Guide
C-5
Appendix C
Cable and Connectors
Cable and Adapter Specifications
Table C-1
Fiber-Optic SFP Transceiver Port Cabling Specifications
Wavelength
(nanometers)
Fiber Type
Core Size/Cladding
Size (micron)
Modal Bandwidth
(MHz/km)1
Cable Distance
1000BASE-SX
(GLC-SX-MM-RGD)
850
MMF
62.5/125
62.5/125
50/125
50/125
160
200
400
500
722 feet (220 m)
902 feet (275 m)
1640 feet (500 m)
1804 feet (550 m)
1000BASE-LX/LH
(GLC-LX-SM-RGD)
1310
SMF
G.6522
—
32,810 feet (10 km)
100BASE-LX
(GLC-FE-100LX-RGD)
1310
SMF
G.6522
—
32,810 feet (10 km)
100BASE-FX
(GLC-FE-100FX-RGD)
1310
MMF
50/125
62.5/125
500
500
6,562 feet (2 km)
6,562 feet (2 km)
1000BASE-ZX
(GLC-ZX-SM-RGD)
1550
SMF
G.6522
—
43.4 to 62 miles
(70 to 100 km)2
1000BASE-BX-D
(GLC-BX40-D-I
GLC-BX40-DA-I
GLC-BX80-D-I)
1550
1490
1570
SMF
G.652
—
24.9 miles (40 km)
24.9 miles (40 km)
49.8 miles (80 km)
1000BASE-BX-U
(GLC-BX40-U-I
GLC-BX80-U-I)
1310
1490
SMF
G.652
—
24.9 miles (40 km)
49.8 miles (80 km)
1000BASE-BX10-D
(GLC-BX-D)
1490 TX
1310 RX
SMF
G.6523
—
32,810 feet (10 km)
1000BASE-BX10-U
(GLC-BX-U)
1310 TX
1490 RX
SMF
G.652
—
32,810 feet (10 km)
100BASE-LX
(GLC-FE-100LX)
1310
SMF
G.6522
—
32,810 feet (10 km)
100BASE-BX
(GLC-FE-100BX-D
GLC-FE-100BX-U)
1310 TX
1550 RX
SMF
G.6522
—
32,810 feet (10 km)
100BASE-FX
(GLC-FE-100FX)
1310
MMF
50/125
62.5/125
500
500
6,562 feet (2 km)
6,562 feet (2 km)
100BASE-EX
(GLC-FE-100EX)
1310
SMF
G.6522
—
131,240 feet (40 km)
100BASE-ZX
(GLC-FE-100ZX)
1550
SMF
G.6522
—
262,480 feet (80 km)
1000BASE-DWDM
CWDM
1470, 1490,
1510, 1530,
1550, 1570,
1590, 1610
SMF
G.6522
—
62 miles (100 km)
SFP Transceiver
Industrial and Rugged SFPs
Commercial SFPs
Cisco IE 3000 Switch Hardware Installation Guide
C-6
Appendix C
Cable and Connectors
Cable and Adapter Specifications
Table C-1
Fiber-Optic SFP Transceiver Port Cabling Specifications (continued)
SFP Transceiver
Wavelength
(nanometers)
Fiber Type
Core Size/Cladding
Size (micron)
Modal Bandwidth
(MHz/km)1
Cable Distance
1000BASE-DWDM
DWDM
1530.33,
1531.12,
1531.90,
1532.68,
1534.25,
1535.04,
1535.82,
1538.19,
1539.77,
1539.98,
1539.77,
1540.56,
1542.14,
1542.94,
1544.53,
1546.12,
1546.92,
1547.72,
1548.51,
1550.12,
1550.92,
1551.72,
1552.52,
1554.13,
1554.94,
1555.75,
1556.55,
1558.17,
1558.98,
1559.79,
1560.61
SMF
G.652
—
62 miles (100 km)
1000BASE-T
GLC-T
—
MMF
—
—
328 feet (100 m)
1000BASE LX/LH
(SFP-GE-L)
1300
MMF or
SMF
62.2
50
50
9/10
500
400
500
—
1804 feet (550 m)
1804 feet (550 m)
1804 feet (550 m)
6.2 miles (10 km)
1000BASE LX/LH
(GLC-LH-SMD)
1310
MMF
62.5
50.0
50.0
G.652
500
400
500
—
1804 feet (550 m)
1804 feet (550 m)
1804 feet (550 m)
6.2 miles (10 km)
62.5
62.5
50.0
50.0
160
200
400
500
722 feet (220 m)
902 feet (275 m)
1640 feet (500 m)
1804 feet (550 m)
Extended temperature SFPs
SMF
100BASE SX
(SFP-GE-S)
850
MMF
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Appendix C
Cable and Connectors
Cable and Adapter Specifications
Table C-1
Fiber-Optic SFP Transceiver Port Cabling Specifications (continued)
Wavelength
(nanometers)
Fiber Type
Core Size/Cladding
Size (micron)
Modal Bandwidth
(MHz/km)1
Cable Distance
1000BASE SX
GLC-SX-MMD
850
MMF
62.5
62.5
50.0
50.0
50.0
160
200
400
500
2000
722 feet (220 m)
902 feet (275 m)
1640 feet (500 m)
1804 feet (550 m)
3281 feet (1 km)
1000BASE ZX
(SFP-GE-Z)
1550
SMF
9/10
8
—
43.5 miles (70 km)
62.1 miles (100 km)
1000BASE ZX
(GLC-ZX-SMD)
1550
SMF
—
—
43.5 miles (70 km)
62.1 miles (100 km)
1000BASE EX
(GLC-EX-SMD)
1310
SMF
G.6522
—
24.9 miles (40 km)
SFP Transceiver
1. Modal bandwidth applies only to multimode fiber.
2. 1000BASE-ZX SFP modules can send data up to 62 miles (100 km) by using dispersion-shifted SMF or low-attenuation SMF; the distance depends on
the fiber quality, the number of splices, and the connectors.
3. A mode-field diameter/cladding diameter = 9 micrometers/125 micrometers.
When the fiber-optic cable span is less than 15.43 miles (25 km), insert a 5-decibel (dB) or 10-dB inline
optical attenuator between the fiber-optic cable plant and the receiving port on the 1000BASE-ZX SFP
module.
Two Twisted-Pair Cable Pinouts
Figure C-5 and Figure C-6 show the schematics of two twisted-pair cables for connecting to 10BASE-Tand 100BASE-TX-compatible devices.
Figure C-5
Two Twisted-Pair Straight-Through Cable Schematic
Router or PC
3 TD+
6 TD–
3 RD+
6 RD–
1 RD+
2 RD–
1 TD+
2 TD–
H5578
Switch
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Appendix C
Cable and Connectors
Cable and Adapter Specifications
Two Twisted-Pair Crossover Cable Schematic
Switch
Switch
3 TD+
6 TD–
3 TD+
6 TD–
1 RD+
2 RD–
1 RD+
2 RD–
H5579
Figure C-6
Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports
Figure C-7 and Figure C-8 show the schematics of four twisted-pair cables for 10/100/1000 ports on the
Cisco IE 3000 switches.
Switch
Router or PC
1 TPO+
1 TP1+
2 TPO-
2 TP1-
3 TP1+
3 TPO+
6 TP1-
6 TPO-
4 TP2+
4 TP3+
5 TP2-
5 TP3-
7 TP3+
7 TP2+
8 TP3-
8 TP2-
Figure C-8
65272
Four Twisted-Pair Straight-Through Cable Schematic for 10/100/1000 Ports
Four Twisted-Pair Crossover Cable Schematics for 10/100/1000 Ports
Switch
Switch
1 TP0+
1 TP0+
2 TP0-
2 TP0-
3 TP1+
3 TP1+
6 TP1-
6 TP1-
4 TP2+
4 TP2+
5 TP2-
5 TP2-
7 TP3+
7 TP3+
8 TP3-
8 TP3-
65274
Figure C-7
Cisco IE 3000 Switch Hardware Installation Guide
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Appendix C
Cable and Connectors
Cable and Adapter Specifications
Crossover Cable and Adapter Pinouts
This section describes how to identify a crossover cable and also describes the adapter pinouts.
Identifying a Crossover Cable
To identify a crossover cable, compare the two modular ends of the cable. Hold the cable ends
side-by-side, with the tab at the back. The wire connected to the pin on the outside of the left plug should
be a different color from the wire connected to the pin on the inside of the right plug. (See Figure C-9.)
Figure C-9
Identifying a Crossover Cable
Pin 1 on one connector and
pin 1 on the other connector
should be different colors.
Pin 1
200915
Pin 1
Adapter Pinouts
Table C-2 lists the pinouts for the console port, the RJ-45-to-DB-9 adapter cable, and the console device.
Table C-2
Console Port Signaling Using a DB-9 Adapter
Switch
Console
Port (DTE)
RJ-45-to-DB-9
Terminal Adapter
Console
Device
Signal
DB-9 Pin
Signal
RTS
8
CTS
DTR
6
DSR
TxD
2
RxD
GND
5
GND
GND
5
GND
RxD
3
TxD
DSR
4
DTR
CTS
7
RTS
Cisco IE 3000 Switch Hardware Installation Guide
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Appendix C
Cable and Connectors
Cable and Adapter Specifications
Table C-3 lists the pinouts for the console port, RJ-45-to-DB-25 female DTE adapter, and the console
device.
Note
The RJ-45-to-DB-25 female DTE adapter is not supplied with the switch. You can order a kit (part number
ACS-DSBUASYN=) containing this adapter from Cisco.
Table C-3
Console Port Signaling Using a DB-25 Adapter
Switch Console
Port (DTE)
RJ-45-to-DB-25
Terminal Adapter
Console
Device
Signal
DB-25 Pin
Signal
RTS
5
CTS
DTR
6
DSR
TxD
3
RxD
GND
7
GND
GND
7
GND
RxD
2
TxD
DSR
20
DTR
CTS
4
RTS
Cisco IE 3000 Switch Hardware Installation Guide
C-11
Appendix C
Cable and Adapter Specifications
Cisco IE 3000 Switch Hardware Installation Guide
C-12
Cable and Connectors
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