Installation Guide
SPARC/CPU-5TE
Page 28
FORCE COMPUTERS
1.8.2
Serial Port A and B Connector Pinout
The following table is a pinout of the serial port connector. The figure on the next page shows
the serial port connector and location of the pin numbers.
Table 8: Serial Port A and B Connector Pinout
Pin
Signal
Direction
Port
Description
1
none
none
A
Not connected
2
TD
output
A
Transmit Data
3
RD
input
A
Receive Data
4
RTS
output
A
Request To Send
5
CTS
input
A
Clear To Send
6
DSR
input
A
Data Set Ready
7
SG
none
A
Signal Ground
8
DCD
input
A
Data Carrier Detect
9
none
none
Not connected
10
none
none
Not connected
11
SDTR
output
B
Secondary Data Terminal Ready
12
SDCD
input
B
Secondary Data Carrier Detect
13
SCTS
input
B
Secondary Clear To Send
14
STD
output
B
Secondary Transmit Data
15
TC
input
A
Transmit Clock: DCE Source
16
SRD
input
B
Secondary Receive Data
17
RC
input
A
Receive Clock
18
STC
input
B
Secondary Transmit Clock
19
SRTS
output
B
Secondary Request To Send
20
DTR
output
A
Data Terminal Ready
21
SDSR
input
B
Secondary Data Terminal Ready
22
SRC
input
B
Secondary Receive Clock
23
SSG
none
B
Secondary Signal Ground
24
TC
output
A
Transmit Clock: DTE Source
25
STC
output
B
Transmit Clock: DTE Source
26
none
none
Not connected
