User Manual

MDR2400/5800-SR, Orion2410/5810-SRi and Orion 5825-SR
862-01881 Issue 12c Page 35
2. Connect to the cable Digital Indoor Unit auxiliary in/out connector.
3. Secure the connector using locking screws.
NOTE The Orion and MDR Digital Indoor Units are equipped with only two relays.
The Normally-Open and Normally-Closed output for each of the two relays are
however provided on the Auxiliary Connector for convenience.
Table 12. Auxiliary In/Out Connector Pin Outs
Digital Indoor Unit
connector
Pin
No
Signal
1
OUTPUT 1 COMMON
2
OUTPUT 1 NORMALLY-OPEN
3
OUTPUT 1 NORMALLY-OPEN
4
OUTPUT 1 NORMALLY-CLOSED
5
OUTPUT 1 NORMALLY-CLOSED
6
OUTPUT 1 COMMON
7
OUTPUT 2 COMMON
8
OUTPUT 2 COMMON
9
OUTPUT 2 NORMALLY-OPEN
10
OUTPUT 2 NORMALLY-OPEN
11
OUTPUT 2 NORMALLY-CLOSED
12
INPUT 1
13
INPUT 1 RETURN
14
INPUT 2
15-pin D-type female
1
8
9
15
15
INPUT 2 RETURN
4.2.8 Connecting the Service (Wayside) Serial Channel (Optional)
This ‘clear’ serial channel can transport up to 115,200 bps across the radio link. This
channel does not interfere with the payload data channels. The port is configured as
DCE.
1. Connect the serial data interface cable to the Service channel connector on the
Digital Indoor Unit rear panel. The supplied serial data cable can be used to
connect to this port after the software setup is completed.
2. See the table below for Digital Indoor Unit connector pin assignments when a
custom cable needs to be assembled.
3. Secure the connector using locking screws.
Service Channel Connector Pinouts
Digital Indoor Unit
connector
Pin
No
Signal
2
TD
3
RD
4
DTR
5
GROUND
6
DSR
7
RTS
9-pin D-type Female
Connector
8
CTS