CommSync II
7321 Lincoln Way Garden Grove, CA 92841 tel 888-886-7465
CommSync II
®
System Features:
Full Redundancy:
Dual GPS Reference
Dual Power Inputs
13 I/O Module Slots
100+ Hot-Swappable
Option Modules
Dual GPS Receivers:
Civil C/A (L1) and/or
Military SAASM
CommSync II® Model 385
CommSync II is a fully-redundant modular time and frequency system,
combining dual GPS receivers, oscillators, and up to 13 output option
modules in a single 3U chassis. The heart of the CommSync II is the
GPS Time and Frequency (GTF) module. It is a hot-swappable, front
panel plug-in module (two slots available for redundancy). It is a selfcontained module with Quartz Crystal (OCXO) or Rubidium Atomic oscillator options, as well as Civil or Military GPS receiver options.
Utilized as a Primary Reference Source (PRS), the CommSync II provides either Standard Positioning Service (SPS) or the very latest in
GPS military technology - SAASM Precision Positioning Service (PPS)
receivers (for authorized users only).
User Interface:
Standard RS-232
Optional Ethernet I/O
(Telnet, SNMP, NTP)
Keypad, LCD display
Windows GUI:
Zyfer® Monitor
Standard Outputs:
1PPS
10 MHz
Reliability:
Automatic switchover
Rear Panel View
Power Supply
AC or DC
13 Input/Output
Hot-Swappable Option Module Slots
Power Supply
AC or DC
Optional Expansion Configuration
FEI-Zyfer, Inc.
7321 Lincoln Way Garden Grove CA 92841
Toll-free 888-886-7465
E-mail: [email protected]
www.fei-zyfer.com
CommSync II® Specifications
Output Specifications (a)
Frequency Accuracy:
24 Hour Average
Locked to GPS
Holdover (b)
Rubidium Osc.
< 1E-12
< 5E-11
GPS Receiver Options
Quartz Osc.
< 1E-12
< 1E-10
Time Accuracy: - to UTC, for calibrated units.
Rubidium Osc.
Quartz Osc.
Locked to GPS
< 50ns Peak
< 50ns Peak
Holdover (b)
< 3µs
< 7µs
Short Term Stability (d) typical:
Allan Deviation
Rubidium Osc.
1 sec
< 3E-11
10 sec
< 1E-11
100 sec
< 3E-12
Quartz Osc.
< 1E-11
< 1E-11
< 1E-10
Phase Noise (d) typical:
Standard
Low Noise 5MHz
< -90dBc/Hz
< -105dBc/Hz
< -105dBc/Hz
< -130dBc/Hz
< -125dBc/Hz
< -143dBc/Hz
< -135dBc/Hz
< -153dBc/Hz
1Hz
10Hz
100Hz
1000Hz
Standard GPS Receiver - Civil C/A Code
Type:
8 - 12 channel, independent tracking
Frequency:
1575.42MHz (L1)
Code:
C/A only
Warm Start: < 2 minutes
Acquisition Time:
Cold Start: < 20 minutes
SAASM GPS Receiver (e) - Military P(Y) Code
Type:
12 channel, independent tracking
Frequency:
1575.42MHz & 1227.6MHz (L1 & L2)
Code:
C/A and P(Y)
Acquisition Time: Warm Start: < 2 minutes
Hot/Cold Start: see note (f)
Keyload Interface: DS-102 (Red/Black-key capable)
Chassis Dimensions
Height:
Width:
Depth:
Weight:
134 mm (5.25") (3U)
448 mm (17.65) (19" EIA Rack)
381 mm (15.0") including connectors
25 lbs. (max.)
Power Options
Environmental
Several Power Input options are available, which include
single or dual modules (for redundancy), 115-230 VAC 50/60
Hz or 12-48 VDC, or a combination of AC and DC Power
Input modules.
Operating Temperature:
Rate of Change:
Storage Temperature:
Relative Humidity:
Altitude, Operating:
Altitude, Storage:
0°C to 50°C
10°C / Hour
-40°C to +85°C
5% to 95%, non-condensing
-60m to 4000m
-60 to 9000m
Input/Output (GTF Front Panel)
Standard GPS Receiver
1PPS, 50Ω, TTL level, SMA, Ext. Sync Input
RS-232 I/O connector
SAASM GPS Receiver (e)
1PPS, 50Ω, TTL level, SMA, Ext. Sync Input
RS-232 I/O connector
10 MHz, 50Ω, TTL level, SMA connector
10 MHz, 50Ω, TTL level, SMA connector
1PPS, 50Ω, TTL level, SMA connector
1PPS, 50Ω, TTL level, SMA connector
Keyload Interface - DS-102 (Red & Black-key)
Hot Start connector (optional)
Certifications
Notes:
(a) After 2 hours of GPS locked operation, fixed antenna location, antenna delays entered.
(b) After 48 hours of continuous operation.
(c) 2σ (95.5% probability).
(d) Detailed specifications for various output modules: See "Option Module User's Manual 385-8003".
(e) The sale of SAASM receivers is restricted to users authorized by the U.S. Department of Defense.
(f) Dependent on the accuracy of initialization parameters from PLGR or DAGR handheld military GPS receivers, or other initialization devices.
FEI-Zyfer, Inc.
7321 Lincoln Way Garden Grove CA 92841
Toll-free 888-886-7465
E-mail: [email protected]
www.fei-zyfer.com
© 2008 FEI-Zyfer, Inc. Rev. NC2
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