Download PCI334A Cabling

Chapter 7: Connector and Cabling
RS232C Cabling
A shielded, hydra-style breakout cable providing four 25-pin, D-shell (DB25) DTE (pins)
connectors is available for the PCI334A-11890 (RS232C) version. The pin assignments for the
cabling and connectors are shown in Table 7-1, “RS232C Connector Pin Assignments,” below.
Table 7-1: RS232C Connector Pin Assignments
80-Pin
No.
Signal
Name
RS232C
Mnemonic
RS232C DB25
Pin No.
Description
1
RXD1
BB
3
Port 1 Receive Data
2
3
16
DTR1
CD
4
5
TXD1
BA
RTS1
CA
TXC1
DA
TXCI1
DB
DCD1
CF
24
Port 1 Transmit Clock
15
Port 1 Transmit Clock In
8
Port 1 Data Carrier Detect
10
DSR1
CC
16
6
Port 1 Data Set Ready
22
17
CTS1
CB
5
Port 1 Clear To Send
18
GND1
AB
7
Port 1 Signal Ground
19
RXC1
DD
17
Port 1 Receive Clock
20
21
9
RXD2
BB
22
23
25
DTR2
CD
TXD2
BA
RTS2
CA
TXC2
DA
TXCI2
DB
DCD2
CF
4
Port 2 Request To Send
24
Port 2 Transmit Clock
15
Port 2 Transmit Clock In
8
Port 2 Data Carrier Detect
10
DSR2
CC
36
37
Port 2 Transmit Data
12
34
35
2
11
32
33
Port 2 Data Terminal Ready
19
30
31
20
14
28
29
Port 2 Receive Data
23
26
27
3
16
24
58
Port 1 Request To Send
12
14
15
4
11
12
13
Port 1 Transmit Data
19
10
11
2
14
8
9
Port 1 Data Terminal Ready
23
6
7
20
6
Port 2 Data Set Ready
22
CTS2
CB
5
Port 2 Clear To Send