Led Indicators - Multitech MMH900 User Manual

3.3

LED Indicators

Command Modem
Indicator Description
CD
RCV/XMT
OH
DTR
External Composite Link
CD
RCV/XMT
CTS
V.35
Chapter 3 - Front & Rear Panel Descritpions
Indicates the local command modem has detected a
carrier signal from a remote modem.
Indicates that the command modem is on-line by
flashing with data activity between the two command
modems.
Indicates that the dial-up line for the command
modem is off-hook.
Indicated that the command modem is ready to
communicate.
The Carrier Detect (CD) indicator is used when the
MultiMux MMH900 series is configured for an
external composite link device and a carrier signal is
detected.
The Transmit (XMT) and Receive (RCV) indicators
are used when the MultiMux MMH900 series is
configured for an external composite link device and
the network is on-line by flashing with data activity
between the two multiplexers.
The Clear To Send (CTS) indicator is used when the
MultiMux MMH900 series is configured for an
external composite link device and the composite
link device is ready to transmit data.
The V.35 indicator is used when the MultiMux
MMH900 series is configured for an external
composite link device which uses a V.35 interface.
The V.24/V.35 shunt has to be in the V.35 position
for this LED to light.
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