Nortel Networks DCT1900 manual Modular Cabinet Connection Board-MCCB Roanb 101

Technical Product Manual - DCT1900

System Description, Radio Exchange Boards

4.14Modular Cabinet Connection Board-MCCB (ROANB 101 28)

The MCCB provides connectors for a personal computer, a printer, 3 DTU E1 boards (coax connections), Base Station powering, for 7 CLU boards or SLU boards, and a general alarm (via a relay). The MCCB is located on the bottom plate of the Modular Cabinet.

4.15Synchronization Distribution Board–SDB (REX-BRD0006 or ROANB 101 38)

The SDB allows the connection of one input and three output synchronization signals to the CPU via 120 ohm shielded twisted pair cables. It is located on the bottom plate of the Modular Cabinet near the MCCB. The synchronization signals are required to achieve PWT air interface synchronization between DCT1900 systems to allow seamless inter system handovers.

System-DCT1900/R8/mw	4-11
© 2000-2005