E1 led descriptions – Multi-Tech Systems MULTIVOIP MVP-410ST/810ST User Manual
Page 24

Overview
MultiVOIP User Guide
24
E1 LED Descriptions
MVP3010 Front Panel LED Definitions
LED NAME
DESCRIPTION
Power
Indicates presence of power.
Boot
After power up, the Boot LED will be on for
about 10 seconds while the MVP3010 is booting.
FDX
Full-Duplex & Collision LED. This LED indicates
whether the Ethernet connection is half-duplex or full-
duplex (FDX) and, in half-duplex mode, indicates
occurrence of data collisions. LED is on constantly for
full-duplex mode; LED is off constantly for half-
duplex mode. When operating in half-duplex mode,
the LED will flash during data collisions.
LNK
Link/Activity LED. This LED is lit if Ethernet
connection has been made. It is off when the link is
down (i.e., when no Ethernet connection exists).
While link is up, this LED will flash off to indicate data
activity.
T1 T1.
Not
supported.
E1
E1. When lit, indicates presence of E1
connection.
PRI
PRI. On if E1 line is of ISDN-Primary-Rate type.
ONL
Online. This LED is on when frame
synchronization has been established on the
T1/E1 link.
IC
IC LED is on when Internal Clocking is selected
in T1/E1 configuration.
LC
Indicates Loss of Carrier.
LS
Indicates Loss of Signal.
Test
For testing purposes only.