SSS SSSSSSS SSSS S SSSSS SSSSSSS S SSS S SSSSS SS
6
220 TimeSource 3100
Specifications
097-72020-01 Issue 9: November 2003
Mixed E1/T1 Outputs (990-72020-06 System Only)
Note: For E1/T1 commonality, refer to the E1/T1 Common specifications. For E1, refer to
the E1 Outputs specifications. For T1, refer to the T1 Outputs specifications.
E1/T1 Common
Connector Type: Wire-wrap
Connector Label: T, R, S
Connector Location: Connector panel output module
Frequency Accuracy: 1 x 10
–12
Output During Alarms: AIS, Squelch, SSM
E1 Outputs
Impedance: 120 Ω balanced or 75 Ω unbalanced
Bit Rate: 2.048 Mb/s
Format: Framed all 1s
Line Code: HDB3
Amplitude: 3.0 V nominal terminated with 120 Ω, balanced
Framing: CAS, CAS4, CCS, CCS4, NONE
GPS Holdover Stability: 1 x 10
-10
per day (0 °C to 50 °C ± 5°C)
(After 1 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
for 30 days (0 °C to 50 °C ± 5°C) with an
ST2E remote oscillator input
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