NorthStar 2505 Installation Manual page 32

Appendix B Data characteristics
Page 22
Table 5: 2505 signals and I/O ports
I/O ports
RS-232 receiver 1 input
RS-232 receiver 2 input
RS-232 receiver 3 input (optional)
RS-422 receiver 1 input (A/B)
RS-422 receiver 2 input (A/B)
RS-232 transmitter 1 output
RS-232 transmitter 2 output
RS-232 transmitter 3 output (optional)
RS-422 transmitter 1 output (A/B)
RS-422 transmitter 2 output (A/B)
2505 INSTALLATION MANUAL, Revision A
Pin
7
21
10
15, 3
1, 14
6
20
9
5, 18
16, 4