Figure 3-86. Executive or Standard Display PCDPM Installation
BACK OF DIGITAL PHONE
INSIDE OF BASEPLATE
IF THE PHONE IS WALL MOUNTED, OPEN
THE BACK OF THE PHONE AND REROUTE
THE MODULE-TO-KEYSET INTERFACE
CABLE THROUGH THIS KNOCKOUT OVER
TO CONNECTOR J3 ON THE PHONE CON-
TROL BOARD.
TO CHASSIS
J3
TO
HANDSET
PCDPM
RS232
CONNECTOR
MDPM
CONNECTOR
TO MODEM DATA
PORT MODULE
TO DSS/BLF UNIT OR
PC/OUTPUT DEVICE
J1
J2
P1
NOTE: Older PCDPMs (part no. 550.3014) require AC transformers when they are connected to DSS/BLF
Units only or PC/output devices only. PCDPMs do not require AC transformers when they are used for off-
hook voice announce only or have attached MDPMs. For a diagram of AC transformer requirements, see
Figure 2-7 on page 2-78. Also, Some early PCDPM-to-MDPM cables may have the stripe on the wrong
edge. If the MDPM doesn't respond properly, try reversing the connector on the PCDPM.
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