Specifications

Installing the DX-80
64 Comdial October, ‘03
To control a gate or door:
1. Remove the KSU cover (four screws at each corner) of KSU1.
2. Connect a static discharge wrist strap to a suitable earth ground. Be sure that the strap is touch-
ing bare skin.
3. Locate the CPM and “BELL” connector jack on the CPM.
4. Using an eighth-inch mini plug, wire the DX-80 BELL contact in series with an external 24vdc
power supply and 24vdc door opening device. Important: Use only 24v or less voltage sup
-
ply and Direct Current (dc).
5. Program LBC operation for External Page operation. Door/Gate operation is accomplished by
dialing the External Page code (this code can be programmed onto an available Flexible Feature
Button). For details on programming, refer to the DX-80 Technical Manual, Volume II, Pro
-
gramming.
2.16 Connecting a Serial Cable for PC-DBA
You can connect PC-DBA to the to DX-80 system to set up the programable features and system oper-
ations. This connection is rarely permanent and is typically performed only during routine systems
database updates and changes by a qualified technician. Connection of the PC to the DX-80 is accom
-
plished through the serial data port on the CPM labeled “PCDBA.” Connection is simplified by means
of a straight-through, 9-pin, female to male, serial cable. (Use Radio Shack model 26-117B for good
results.)
Connection to the PC is made via an available 9-pin serial port connector that is designated as COM1
or COM2 in the PC configuration.
Once the cable is linked between the PC and the DX-80 CPM PCDBA port, you can use PC-DBA to
program the DX-80 system and to back up your customer’s database.
WARNING
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
Sensitive Components, for details.