Figure 5-35: Model 1204-09 option card rear plate
Model 1204-0A E1/T1 (100/120 Ω): Specifications
Outputs:
(1) 1.544/2.048MHz RS-485 Outputs
(2) Balanced E1/T1Outputs
T1 mode:
1.544 MHz (square wave) frequency output
(2) 1.544 Mb/sec data rate outputs:
Outputs are DS1 framed all ones
Supports Super Frame (SF or D4) and Extended Super Frame (ESF)
SSM support
E1 mode:
2.048 MHz (square wave) frequency output
(2) 2.048 Mb/sec data rate outputs:
Outputs are E1 frame all ones
Supports CRC4 and CAS Multiframe
SSM support
Connector and Signal Type: Terminal block
1.544/2.048MHz RS-485
T1 according to GR-499-CORE (100 Ω)
E1 according to ITU-T G703 (120 Ω)
Maximum Number of Cards: 6
Ordering Information: 1204-0A: T1/E1 (100/120 Ω) module
SecureSync User Reference Guide 405
APPENDIX
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