Comtech EF Data CDM-750 - Manual (Page 233)

CDM-750 Advanced High-Speed Trunking Modem Revision 2
Appendix B MN-CDM750
B–7
B.2.2.1 STM-1 Copper PIIC Module Summary of Specifications
Item Description
Data Rate 155.52 Mbps ±20 ppm
Framing and Signaling G.703/GR-253, CMI
Jitter G.825
Direction Full duplex, allowing Tx/Rx only operation
Connectors BNC-F, 75Ω
Output Level 1 Vpp Typical
Input Level 0.5 Vpp to 1.1 Vpp
Diagnostics
• Baseband Loopback (at interface)
• Interface Loopback (through interface module)
Rx Buffer 0.5 to 75 ms in 0.1 ms steps