Keithley SourceMeter 2611 Reference Manual

Series 2600 System SourceMeters Reference Manual Communications Interfaces 11-13
Return to Section 11 topics 2600S-901-01 Rev. A / May 2006
RS-232 connections
The RS-232 serial port is connected to the serial port of a computer using a
straight-through RS-232 cable terminated with DB-9 connectors. Do not use a null
modem cable. The serial port uses the transmit (TXD), receive (RXD), CTS and
RTS (if flow control is enabled), and signal ground (GND) lines of the RS-232
standard.
Figure 11-4 shows the rear panel connector for the RS-232 interface,
and Table 11-3 shows the pinout for the connector. The connector location is
shown in Figure 11-3.
If your computer uses a DB-25 connector for the RS-232 interface, you will need a
standard cable or adapter with a DB-25 connector on one end and a DB-9
connector on the other. An available RS-232 cable from Keithley Instruments is
listed in “
Options and accessories” in Section 1.
Figure 11-4
RS-232 interface
9876
54321
Rear Panel Connector
RS-232
connector
Table 11-3
RS-232 connector pinout
Pin number Description
1
2
3
4
5
6
7
8
9
Not used
TXD, transmit data
RXD, receive data
Not used
GND, signal ground
Not used
RTS, ready to send
CTS, clear to send
Not used

Keithley SourceMeter 2611 Specifications

General

Brand	Keithley
Model	SourceMeter 2611
Category	Measuring Instruments
Language	English