ADLINK MXE-5400 - Manual (Page 30)

PRELIMINARY
18 Introduction
Table 1-9: D-SUB 9P COM Pin Assignment
Table 1-10: Digital I/O Specifications
Pin Signal
RS-232 RS-422 RS-485
1 DCD# TXD422- 485DATA-
2 RXD TXD422+ 485DATA+
3 TXD RXD422+ N/C
4 DTR# RXD422- N/C
5 GND N/C N/C
6 DSR# N/C N/C
7 RTS# N/C N/C
8 CTS# N/C N/C
9 RI# N/C N/C
8CH Isolated DI 8CH Isolated DO
Logic high: 5 to 24 V
Output: Open Drain N- Channel
Power MOSFET driver
Logic low: 0 to 1.5 V
250 mA for all channels @ 60°C,
100% duty
Input resistance: 8.2 k @ 0.5 W Supply voltage: 5 to 35 VDC
Interrupt source: DI
Isolation voltage: 1.5KV DC
channel 0 to 7
Isolation voltage: 1.5KV DC
channel 0 to 7
200 mA for +V5DIO_ISO (max)