Symmetricom TimeSource 3100 User Guide

Chapter 6 Specifications
E1 Outputs
186 TimeSource 3100 User’s Guide 097-72020-01 Revision K – December 2005
Additional E1 Outputs (990-72020-02 System Only)
Connector Type: Wire-wrap pins for 120 Ω balanced terminations
BNC for 75 Ω unbalanced terminations
Connector Label:
Wire-Wrap (8 sets) T
R
S
BNC: OUT 1
OUT 2
OUT 3
OUT 4
OUT 5
OUT 6
OUT 7
OUT 8
Connector Location: Connector panel output module
Impedance: 120 Ω ±5% balanced or
75 Ω ±5% unbalanced
Bit Rate: 2.048 Mb/s
Frequency Accuracy:1 x 10
-12
GPS Holdover Stability: 1 x 10
-10
per day (0 °C to +50 °C, ±5 °C) (after one week of
3.2 x 10
-11
per day with a span input meeting steady-state
operation)
ANSI T1.101 network specification 99% probability 1 x 10
-10
per day for 30 days (0 °C to +50 °C, ±5 °C) with an ST2E
remote oscillator input
Format: Framed all 1s
Line Code: HDB3
Amplitude: 3.0 V nominal terminated with 120 Ω balanced
2.37 V nominal terminated with 75 Ω unbalanced
Framing: CAS
CAS4
CCS
CCS4
Output During Alarms: AIS
Squelch
SSM

Symmetricom TimeSource 3100 Specifications

General

Brand	Symmetricom
Model	TimeSource 3100
Category	GPS
Language	English