User's Manual

Chapter 7 Installing PDH Cards

MAIN-A Card Connection

MAIN-A is the Cross-Connect and Aggregate card for the product. The card consists of the

cross-connect sub-system and the timing sub-system. The MAIN-A card is a 2.5G TDM cross

connect, timing and 6Gbit Layer 2 Ethernet switch card with 2GbE ports and 16xDS1 ports

interface. The 16xDS1 interface on the MAIN-A card supports 16 DS1 100 ohms ports.

Follow the given procedure for MAIN-A card connection:

1. Identify and label the cables.

2. Connect the cable to MDR connectors and ensure that retention slide operates to hold the

connector in place.

3. Route the cables securely along the right side of the rack. Figure below shows MAIN-A card

connection of the chassis to the subrack.

Figure 20: MAIN-A Card Connection (DS1 Connector)