Installation Guide

P27 Auxiliary Port
Auxiliary port P27 is used to power the RCU, Remote Control Unit, for
communication with the repeater.
The connector is found on the DIA board to the left in the cabinet.
P27 is an 8 pole, 1 line male connector.
Pin 2 and 3 of the P27 port must always be interconnected to provide the
CU and ALI boards with voltage supply. If there is no cable connected to
the P27 port, pin 2 and 3 must be interconnected with a jumper.
P27 auxiliary connector pinning
Pin 1 +7V DC.
Pin 2 +7V DC.
Pin 3 CU and ALI power supply from pin 2.
Pin 4 GND
Pin 5 +26V DC or +13V DC depending on the repeater type.
Pin 6 Not used.
Pin 7 Output 200KHz reference.
Pin 8 GND
P31 PC Port
PC port P31 is a RS-232 port used for local PC communication.
The connector is found on the DIA board to the right in the cabinet.
P31 is a 9 pole D-sub female connector.
P31 PC connector pinning
Pin 1 Not used.
Pin 2 Data from repeater to OMT32.
Pin 3 Data from OMT32 to repeater.
Pin 4 DTR from OMT32 to repeater.
Pin 5 GND
Pin 6 DSR from repeater to OMT32.
Pin 7 RTS from OMT32 to repeater.
Pin 8 CTS from repeater to OMT32.
Pin 9 Not used.
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Allgon Systems AB AR Repeaters Installation
VD204 43/EN - Installation Guide Rev. 1A 2001-06 2 - 19