Measurement Computing Extender 488HS Rev.2.0 - Manual (Page 11)

Section 2 Getting Started
2.3
2.3 Front Panel Indicators
Six LEDs on the front panel of the Extender488/HS display the status of the bus
extender. The function of each indicator is described below.
LOCAL
EXTENDER CONNECT LISTEN POWER TALK REMOTE
EXTENDER
Extender488/HS
HIGH SPEED BUS EXTENDER
Front Panel Indicators
LOCAL ON when the Extender488/HS is configured as the Local EXTENDER
Extender.
REMOTE ON when the Extender488/HS is configured as the EXTENDER
Remote Extender.
CONNECT ON if both Extender488/HS Bus Extenders are powered
on and the interconnecting cable is functional.
TALK Remote Extender - On when a device on the Local bus (or the
controller) is talking to device(s) on the Remote bus.
Local Extender - On except when a device on the Local bus (or the
controller) is talking to device(s) on the Remote bus.
LISTEN Local Extender - On when a device on the Local bus (or the controller)
is talking to device(s) on the Remote bus.
Remote Extender - On except when a device on the Local bus (or the
controller) is talking to device(s) on the Remote bus.
POWER ON when power is applied to the Extender488/HS and the power
switch on the rear panel is in the ON position (depressed). OFF
otherwise.
2.4 Line Voltage Selection
The line voltage is set by an internal switch (S3) located near the rear panel power supply
connector, next to the power switch. To change the operating voltage, it is necessary to open the enclosure