Comdial DX-80 Technical Manual page 52

Installing the DX-80
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. Remove the APM4 module from the packaging and locate the four nickel-color standoffs pack-
aged with the module.
5. Position the APM4 over the left-hand side of the 408M/E and any other extension modules
already installed. Note: In the KSU, extension modules are always installed on the left-hand
side.
6. Use the four nickel-color standoffs supplied with the APM4 to secure the APM4 in position.
7. Connect the APM4 ribbon cable to the 408M/E Extension Expansion Module Connector clos-
est to the APM4. Or in KSU2, connect the dedicated APM4 ribbon cable from the 408E to the
APM4 module (and discard the packaged ribbon cable). Press firmly (but not forcefully) on the
connector to secure a good connection.
8. Make cable/wiring connections to the 4 analog ports as required.
The FCC requires that wiring of CO lines into a KSU be separated
from wiring of station apparatus into a KSU. Therefore you must use
9. Replace the KSU cover and secure with cover screws.
10. Restore KSU power.
52
WARNING
Sensitive Components, for details.
CAUTION
separate cables for wiring stations and CO lines.
Comdial October, '03