Pin Assignments
Pin No. Signal Function Description
5 T1/E1 output A1 GR-499/G.703 Tip
6 T1/E1 output B1 GR-499/G.703 Ring
7 GND Ground Ground
8 T1/E1 output A2 GR-499/G.703 Tip
9 T1/E1 output B2 GR-499/G.703 Ring
10 GND Ground Ground
Model 1204-53 E1/T1 (75 Ω): Specifications
Outputs:
(4) Unbalanced E1 or T1 Outputs
T1 mode:
(4) 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:
(4) 2.048 Mb/sec data rate outputs:
Outputs are E1 frame all ones
Supports CRC4 and CAS Multiframe
SSM support
Connector and Signal Type: BNC
T1 according to GR-499-CORE (75Ω)
E1 according to ITU-T G703 (75Ω )
Maximum Number of Cards: 6
Ordering Information: 1204-53: T1/E1 (75 Ω ) module
SecureSync 2400 User Manual 427
APPENDIX
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