Telecom Option Cards; T1/E1 Out [1204-09, -0A] - Spectracom SecureSync User Reference Manual

5.3 Telecom Option Cards
Data Clock Signals
9.6 kHz, 18.0 kHz, 64.0 kHz 50% ±2%
17 2/3 Hz
26 2/3 Hz
33 1/3 Hz
Table 5-11:
1PPS Signal
Output Duty Cycle
1PPS
Table 5-12:
5.3

Telecom Option Cards

This section contains technical information and Web UI procedures relevant to SecureSync option
cards commonly used in the telecommunications industry.
5.3.1

T1/E1 Out [1204-09, -0A]

The E1/T1 option card provide 1.544 MHz or 2.048 MHz and E1 or T1 data outputs for the
SecureSync platform . SecureSync meets G.812 Type I when installed with a Rubidium option,
and G.811 when installed with a Rubidium option and synchronized with GNSS.
5.3.1.1 Model 1204-09 E1/T1 (75 Ω): Specifications
Outputs :
328
Output Duty Cycle
888 microsecond pulse width
25% low, 75% high
208 microsecond pulse width
Data clock signals
20% ±5%
1PPS duty cycle
(1) 1.544/2.048 MHz Output
(2) Unbalanced E1/T1Outputs
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5 SecureSync User Reference Guide Rev. 18