Section 5 Connector Pinouts; Utility Serial Port Pin Assignments; Table 11: Utility Serial Port Pin Assignments - Performance Computer PT-VME161 User Manual

Section
5
CONNECTOR PINOUTS

Utility Serial Port Pin Assignments

Connections to the Debug/Utility port can be made using the supplied cable. A Data Terminal Equipment
RS-232C interface is provided. A transition cable is supplied which converts between the 14-pin header
(P3) and a female shell (male pin) 25-pin D-Shell connector.
DB 25 Pin

Table 11: Utility Serial Port Pin Assignments

Dir Circuit
1 -
2 Out
3 In
4 Out
5 In
6 In
7 -
8-13
14 Out SBA
15
16 In SBB
17
18
19
20 Out
21-25
Extensible Single Board Computer/Controller User's Manual 75
P3 Pin
AA 1
BA 3
BB 5
CA 7
CB 9
CC 11
AB 13
2 Port B Transmitted Data (Secondary)
4
6
8
10
12
CD 14
Description
Protective Ground (Shield)
Port A Transmitted Data
Port A Received Data
Port A Request To Send
Port A Clear To Send
Port A Data Set Ready
Signal Ground (Common Return)
Unused
Unused
Port B Received Data (Secondary)
Unused
Unused
Unused
Port A Data Terminal Ready
Unused