User's Manual

P27 Auxiliary Port
Auxiliary port P27 is used for powering an RCU mobile phone/modem
remote control unit. The connector is found on the DIA board to the left
in the cabinet (see Figure 3-7).
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 +10V 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 (see
Figure 3-7).
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
1
8
6
5
9
1
ALLGON System AB AR Repeaters & OMT32 Hardware – Installation
User’s Manual VD202 90/EN Rev. 1A 1999-07 3 - 10