provided.
APE1553-1/2(-DS) Hardware Manual 5
2.3.2 Trigger, IRIG and General Purpose Discrete-I/O (GPIO) Interface Connector
The Trigger, GPIO and IRIG signals are provided on a High-Density DSUB26 female
connector. The RS232 signals are for maintenance purposes only.
Pin No. Signal
1 RS232 RXD
2 Trigger Output BC, Channel 1
3 Trigger Input BC, Channel 1
4 Trigger Output BC, Channel 2 (APE1553-2 only)
5 Trigger Input BC, Channel 2 (APE1553-2 only)
6 IRIG Input
7 General Purpose Discrete Input/Output 1 (GPIO1)
8 reserved
9 reserved
10 RS232 TXD
11 Trigger Output RT, Channel 1
12 Trigger Input RT, Channel 1
13 Trigger Output RT, Channel 2 (APE1553-2 only)
14 Trigger Input RT, Channel 2 (APE1553-2 only)
15 General Purpose Discrete Input/Output 2 (GPIO2)
16 General Purpose Discrete Input/Output 3 (GPIO3)
17 GND
18 General Purpose Discrete Input/Output 4 (GPIO4)
19 Trigger Output BM, Channel 1
20 Trigger Input BM, Channel 1
21 Trigger Output BM, Channel 2 (APE1553-2 only)
22 Trigger Input BM, Channel 2 (APE1553-2 only)
23 IRIG Output
24 General Purpose Discrete Input/Output 5 (GPIO5)
25 reserved
26 reserved