HP Visualize b132L Technical Reference Manual page 33

Pinouts
This chapter provides pinout information for the external connections to the B Class workstations.
RS232–C Connector
B Class Technical Reference
Hewlett–Packard Preliminary and Confidential
1 2 3
6 7
Figure 5–1. Serial Port (RS232–C) Connector
Table 5–1. Serial I/O Pins
Pin No. Signal Description
1 DCD Data Carrier Detect
2 RXD Receive Data
3 TXD Transmit Data
4 DTR Data Terminal Ready
5 GND Ground
6 DSR Data Set Ready
7 RTS Request To Send
8 CTS Clear To Send
9 RI Ring Indicator
4 5
8 9
5
Pinouts