Rs-232/422/485 Serial Port Connection; Figure 3-7: Db-9 Serial Port Connection; Table 3-3: Rs-232/422/485 Serial Port Pinouts - IEI Technology ITCS-100-H81 Us Er Manual

Figure 3-7: DB-9 Serial Port Connection

Secure the connector. Secure the serial device connector to the external
S te p 4:
interface by tightening the two retention screws on either side of the connector.
3.6.2 RS -232/422/485 S e ria l P o rt Co n n e c tio n
A RS-232/422/485 serial port device can be connected to the RS-232/422/485 serial port
on the rear panel. The pinouts of the RS-232/422/485 serial port are shown below.
Pin Description
1 COM5_DCD#
3 COM5_RXD
5 COM5_TXD
7 COM5_DTR#
9 COM56_GND
11 COM6_DCD#
13 COM6_RXD
15 COM6_TXD
17 COM6_DTR#
19 COM56_GND
21 COM7_DCD#
23 COM7_RXD
25 COM7_TXD
27 COM7_DTR#
29 COM78_GND
31 COM8_DCD#
33 COM8_RXD
35 COM8_TXD
37 COM8_DTR#
39 COM78_GND

Table 3-3: RS-232/422/485 Serial Port Pinouts

Locate the RS-232/422/485 connector. The locations of the RS-232/422/485
S te p 1:
connectors are shown in Chapter 1.
P a g e 20
ITCS -100-H81 Em b e d d e d S ys te m
Pin Description
2 COM5_DSR#
4 COM5_RTS#
6 COM5_CTS#
8 COM5_RI#
10 COM56_GND
12 COM6_DSR#
14 COM6_RTS#
16 COM6_CTS#
18 COM6_RI#
20 COM56_GND
22 COM7_DSR#
24 COM7_RTS#
26 COM7_CTS#
28 COM7_RI#
30 COM78_GND
32 COM8_DSR#
34 COM8_RTS#
36 COM8_CTS#
38 COM8_RI#
40 COM78_GND
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