Network Device, DL3800E User's Guide

4-6 DL3800E Inverse Multiplexer User’s Guide — July 9, 2001
4
AIS DET Alarm Indication Signal Detected — Net
Port detects an unframed continuous
stream of binary ones.
AIS Alarm Indication Signal — Not used.
YEL Det Yellow Alarm (RAI — Remote Alarm
Indication) Detected. #Net Port detects the
presence of an RAI.
YEL Yellow Alarm (RAI) - Net Port transmits a
Yellow Alarm (RAI) when receiving an AIS,
LOS, or LOF.
Failed Signal Not used.
Xmt Failed Not used.
User Line Lpbk User Line Loopback – Net Port in a Line
Loopback. Enabled by you under the Tests
menu.
User Payload Lpbk User Payload Loopback – Net Port in a
Payload Loopback. Enabled by you under
the Tests menu.
HW Line Lpbk Not used.
HW Payload Lpbk Not used.
Remote Lpbk A loopback is occurring on the net lines or
on the remote unit.
*Active Net Port is Active. This indicates that the
Net Port is part of the bundle passing data
to and from the DTE port.
Not Active Net Port is Inactive. This indicates that the
Net Port has been removed from the
bundle and is no longer passing data to
and from the Data Port.
Excessive Delay The Net Port has exceeded the 31ms
relative delay.
Set Code Detected The Net Port has detected a Loop code
sent from the Network.
Reset Code Detected Net Port has detected a Loop down code
sent from the Network.
CRC Threshold Net Port has exceeded the CRC Threshold.
Table 4-2 3800E Alarm Descriptions
ALARM DESCRIPTION