Data Sheet

EXTERNAL CONTROL
191
External Control Overview
The External Control section describes the rear panel SIGNAL I/O port.
SIGNAL I/O Overview
Overview
The SIGNAL I/O port can be used to
remotely start/stop tests and monitor the
test status of the instrument. The SIGNAL
I/O port uses a DB-9 pin female connector.
Pin Assignment
Pin name
Pin
Description
UnderTEST
1
UnderTEST signal Output
STOP
2
Stop signal input
START
3
Start signal input
UnderTEST_COM
4
UnderTEST signal Output COM
INPUT_COM
5
Start/Stop signal input COM
PASS
6
PASS signal Output
PASS_COM
7
PASS signal Output COM
FAIL
8
FAIL signal Output
FAIL_COM
9
PASS signal Output COM
Input Connection
PIN 2 INPUT_STOP
PIN 5 INPUT_COM
PIN 3
INPUT
_START