Table B-3
Port
4
5
6
Cable and Ethernet Specifications
High-Density 68-Pin-to-Eight DB-25 Cable–PM-25 only (Continued)
Signal
Definition
SGND
Signal Ground
DSR
Data Set Ready
RXD
Receive Data
DCD
Data Carrier Detect
CTS
Clear to Send
RTS
Request to Send
DTR
Data Terminal Ready
TXD
Transmit Data
SGND
Signal Ground
DSR
Data Set Ready
RXD
Receive Data
DCD
Data Carrier Detect
CTS
Clear to Send
RTS
Request to Send
DTR
Data Terminal Ready
TXD
Transmit Data
SGND
Signal Ground
DSR
Data Set Ready
RXD
Receive Data
DCD
Data Carrier Detect
CTS
Clear to Send
RTS
Request to Send
DTR
Data Terminal Ready
TXD
Transmit Data
SGND
Signal Ground
High-Density 68-Pin Cable
68-Pin
RS-232
Connector Pin
Cable
45
3
12
3
46
3
13
3
47
3
14
4
48
4
15
4
49
4
16
4
50
4
17
4
51
4
18
5
52
5
19
5
53
5
20
5
54
5
21
5
55
5
22
6
56
6
23
6
57
6
DSub (male)
Pin
7
6
3
8
5
4
20
2
7
6
3
8
5
4
20
2
7
6
3
8
5
4
20
2
7
B-5