Adding A Ksu2 Second Cabinet - Comdial DX-80 Technical Manual

Installing the DX-80

2.12 Adding a KSU2 Second Cabinet

You can add one KSU2 to a KSU1. The KSU2 adds:
• eight digital DX-80 extension ports
• four CO line ports
• one Power Failure Transfer port
• Extension Expansion connectors for two additional DPM8s or one APM4
• Ribbon cable for one APM4
• Ribbon cable for one COM4
Connect the KSU2 to the KSU1 via a designated connector located on the CPM inside the KSU1.
To install the KSU2 perform the following steps.
1. Be sure that the entire system is turned off.
2. Remove the KSU cover (four screws at each corner) on both KSU1 and KSU2.
3. Connect a static discharge wrist strap to a suitable earth ground. Be sure that the strap is touch-
ing bare skin.
Circuit boards are susceptible to damage caused by electrostatic
discharge. You must keep this in mind as you handle the circuit
boards. Refer to Comdial publication IMI01-005, Handling of Electrostatically
4. Locate the long cable attached to the 408E of KSU2, and route it out of the KSU2 cabinet into
the KSU1 cabinet so you can connect it to the CPM.
5. Locate the CPM at the right-hand side of KSU1 above the 408M (and COM4 if installed).
6. Position the KSU2 connection cable over the CPM-"2
the following diagram.
58
WARNING
Sensitive Components, for details.
Comdial
nd
Cabinet Connector" as illustrated in
October, '03