Connector Details - Honeywell MAXPRO-Net Hardware Installation Manual

7.15.3

Connector Details

All connections to the RD490 module are via the male DB25 connector located on the
rear panel of the I/O subrack for the slot position being used. It can be wired for PPM
Infrared control (of eight devices) or RS-232 control of one device.
D25 CONNECTOR
Rev. C
FUNCTION
1 RS-232 Receive Data
2 RS-232 Transmit Data
3 Common Ground
4 Common Ground
5 PPM output 1
6 PPM output 2
7 PPM output 3
8 PPM output 4
9 PPM output 5
10 PPM output 6
11 PPM output 7
12 PPM output 8
13 Common Ground
14 RS-232 Ground
15 RS-232 Ground
16 +9V out
17 +5V out
18 Sense input 1
19 Sense input 2
20 Sense input 3
21 Sense input 4
22 Sense input 5
23 Sense input 6
24 Sense input 7
25 Sense input 8
7.15-2 HMXMU001018
10/06