2 - 68 Chapter 2
Chapter 2 - Blade Installation and Startup
2.7.2.1 Connector Pin-Outs on COIDB
2.7.2.2 Installing a COIDB Daughter Board:
1. Included with the COIDB are four plastic spacers. Install the plastic spacers onto the 4COIU-
LG1 or 082U-A1 blade. Make sure to attach the spacers so that they extend out on the side of
the daughter board which has the CN1 connector.
2. Position the COIDB’s CN1 connector over the CN4 connector on the COIU/082U blade. Press
the boards together, ensuring the plastic spacers lock in place.
3. Install the COIU or 082U blade into the slot.
RJ61 Cable Connector - CN2, Trunks - Connecting to COIU Blade
The CN2 connector is polarity sensitive (tip to tip, ring to ring) for
ground start trunks.
Pin No. Connection
1 Circuit 8 - Tip
2 Circuit 7 - Tip
3 Circuit 6 - Tip
4 Circuit 5 - Ring
5 Circuit 5 - Tip
6 Circuit 6 - Ring
7 Circuit 7 - Ring
8 Circuit 8 - Ring
RJ61 Cable Connector - CN2, Trunks - Connecting to 082U Blade
The CN2 connector is polarity sensitive (tip to tip, ring to ring) for
ground start trunks.
Pin No. Connection
1 Circuit 4 - Tip
2 Circuit 3 - Tip
3 Circuit 2 - Tip
4 Circuit 1 - Ring
5 Circuit 1 - Tip
6 Circuit 2 - Ring
7 Circuit 3 - Ring
8 Circuit 4 - Ring
12345678
12345678
To Next Page
Loading...
Need help?
General