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
3
TXD
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)
