SEL-1FS1/SEL-2FS1 and SEL-1XD1/SEL-2XD1
Installation and Operation Manual
Installation, Operation, and Specifications
© 2015 Imagine Communications Corp.
Proprietary and Confidential.
Version 2.8 | Page 21
GPI Serial
To aid in numbering the pins, a key located in the upper right corner of the male connector matches a
slot found in the back module
GPI/Serial
connector.
Figure 7:
Pinouts for GPI/Serial Connector on Back Module
Table 2:
GPI/Serial Pinouts
Pin Function
Pin
Function
1
GPI Out 1
11
RS-422 Port 2 Rx+
2
GPI Out 2
12
RS-422 Port 2 Rx-
(RS-232 Port 2 Rx)
3
GPI Out 3
13
RS-422 Port 2 Tx+
4
GPI Out 4
14
RS-422 Port 2 TX-
(RS-232 Port 2 Tx)
5
GPI In 1
15
D-Ground
6
GPI In 2
16
D-Ground
7
GPI In 3
17
RS-422Port 1 Rx+
8
GPI In 4
18
RS-422 Port 1 Rx-
(RS-232 Port 1 Rx)
9
D-Ground
19
RS-422 Port 1 Tx+
10 D-Ground
20
RS-422 Port 1 Tx-
(RS-232 Port 1 Tx)