User's Manual

31-3MDR00HB Page 45 Installation
Draft
Auxiliary Connector
A 9-way D-type filtered socket for future interface expansion. The connector is shown in Fig 11 and the
pin-out listed in Table 12. A suitable 25-way D-type plug to connect to this interface is listed in Table 9
on page 39.
Fig 11 Auxiliary Connector Pin-out
Table 12 Auxiliary Connector Pin-out
Pin Signal Name Characteristic Input or Output
1
Ground
0 V –
2 Antenna change-over
Open collector NPN transistor grounding
output, normally open, 200 mA maximum.
Output
3
Reserved
Open collector NPN transistor grounding
output, configurable to be normally open or
normally closed, 200 mA maximum.
Output
4
Reserved
TTL with 4.7 kohm pull-up to 5 V.
Configurable to be active high or low.
Input
5
Reserved
TTL with 4.7 kohm pull-up to 5 V.
Configurable to be active high or low.
Input
6 Not connected
7 Not connected
8 Not connected
9 dc supply Between 21.6 and 32 Vdc. Fused at 500 mA. Output
Pin-out of Auxiliary connector looking into the mating face of
the chassis mounted socket.
A suitable free socket is detailed in Table 9 on page 39.
54321
9876