ADC Kentrox T-SERV II CSU Stand-alone T1/PR1 Channel Service Unit w/ DA15-to-RJ48C Terminal Adapter 77965.

ADC Kentrox Part Number: 77965
Add-On Card Part Number: 77123-L2
DA15-To-RJ48C Adapter Part Number: 77892







Features:

The T-SERV II CSU is a proven, cost-effective Channel Service Unit (CSU) for terminating T1 and PRI circuits. Offering high reliability and flexible configuration options, the T-SERV II is available as a stand-alone device or as a plug-in card for multiple T1/PRI connections.

All basic CSU functions are contained in the T-SERV II CSU, including bipolar violation (BPV) correction, line build-out, loop-code generator for fault isolation, front-panel LED status indicators, test jacks, power options and automatic keep-alive signal generation. Its transparent operation passes the T1 bitstream unaltered.

The T-SERV II meets all FCC and carrier requirements for a standard interface between the customer premises and the network. It is NRTL listed to ANSI/UL 60950-1-2002.







Specifications:

Network Interface
• Line Rate: T1 (1.544 Mbps)
• Framing: Transparent (passes unframed/D4/SF/ESF)
• Line Code: Transparent (passes AMI/B8ZS/ZBTSI)
• Input Signal: DSX-1 to -27 dB
• Output Signal: DSX-1 with LBO 0, -7.5, -15, or 22.5 dB(selectable)
• Signal Monitor: Low Pulse Density and Keep Alive

Terminal Interface
• Line Rate: T1 (1.544 Mbps)
• Framing: Transparent (passes unframed/D4/SF/ESF)
• Line Code: Transparent (passes AMI/B8ZS/ZBTSI)
• Input Signal: DSX-1 to -27 dB
• Output Signal: DSX-1 to 655 ft. equalized

Alarm Relay
• Contacts: Normally Open
• Activation: LOS, AIS, Keep Alive, Power Fail
• ACO (Alarm Cut Off): Front panel or control port

Power
• Power Option: LINE/LOCAL selection
• Line Power: 57 to 150 ma 32 V drop @60 ma
• Local Power: 24 to 48 VDC, 2 watts maximum

Density Monitor
• Minimum Density: Per AT&T 62411
• Maximum Zeros: Selectable 15, 47 or disable
• Keep Alive Timing: 80 consecutive Zeros
• Keep Alive Signal: Selectable SF framed/unframed, all-ones