— 4 —
— 5 —
— 6 —
5. Pin Assignments
CP-102UL has one female DB25 connector on the board, and CP-102U
has two male DB9 connectors on the board. In this section, we give the
on-board connectors’ pin assignments, and male DB9 pin assignments
for the cable CBL-M25M9x2-50 used with CP-102UL.
Female DB25
y
CP-102UL on-board connector
9
12
Port 0
Port 1
2
5
24 21
15
18
Pin Number
RS-232 Signals
Port 0
Port 1
1 ---
2
DCD
3
GND
4
CTS
5
RxD
6 ---
7 ---
8 ---
9 DTR
10 DSR
11 RTS
12 TxD
13 ---
14 ---
15
DTR
16
DSR
17
RTS
18
TxD
19 ---
20 ---
21 DCD
22 GND
23 CTS
24 RxD
25 ---
Male DB9
y
CP-102U on-board connector (2 connectors, for Ports 0 and 1)
y
Device-side connector for cable CBL-M25M9x2-50 (for use with
CP-102UL)
1
5
6
9
Pin Number
RS-232 Signals
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 ---
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