User's Manual

Proprietary and Confidential Information

MC-Series Standard Capacity system998-1019-01 Rev X1

serial port for local serial access, and eight 10/100BaseT Ethernet ports.

Currently, ports 1 through 6 are not used; port 7 is used for local technician access

while port 8 is available for remote Ethernet access.

Figure 1.5 CRIC Ports and Indicators

1.6.3 BPC

The BTS Processing Card (BPC) is located in ABIC front-slot position 2. The BPC

hosts a microprocessor to perform iDEN voice management and is responsible for

layer-2 call processing.

Note: If adding the expansion sectors (not covered in

this document), a BPC must be added for each

sector.

Figure 1.6 BPC indicators

1.6.4 ERTM

The Ethernet Rear Transition Module (ERTM) is located in the top rear slot of the

ABIC. The ERTM interfaces to the CRIC via eight RMII ports in the chassis

midplane. The ERTM provides Ethernet connectivity between the ABIC and the

CRTC.

Figure 1.7 ERTM Ports and Indicators