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Front Panel
The front panel contains three sets of LEDs that provide the status of
the MultiDSU and its data and T1 connections. The Data LEDs display
the status and activity of the V.35 Data port. The T1 Line LEDs show
whether the T1 Line is online or in a failure mode. Two monitor jacks
enable you to monitor the T1 line with external test equipment.
PWR
BTG
TST
XMT
RCV
RTS
ONL
SLS
RED
YEL
XMT
RCV
10
Figure 1-1. Front Panel
(Power) Lights when the power switch is in the "1"
(On) position and the MultiDSU is powered by the
external power supply.
(Booting) Lights while the MultiDSU is booting.
(Test) Lights during diagnostic tests and during any
loopback tests.
(Transmit) Lights when packets are being transmitted
to the T1 line from the DTE device.
(Receive) Lights when packets are being received
from the T1 line by the DTE device.
(Ready to Send) Lights whenever the DTE device is
receiving RTS.
T1 Line
(Online) Lights whenever a carrier signal is detected
and no error conditions are present.
(Sync Loss) Lights when there is a Loss of Sync in the
input signal .
(Warning) Lights when there is a red alarm on the T1
line.
(Warning) Lights when there is a yellow alarm on the
T1 line.
Monitor jacks
(Transmit) monitors transmit data on the T1 line.
(Receive) monitors receive data on the T1 line.
Data
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