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Lucent Technologies FiberReach DDM-2000 User Manual

Lucent Technologies FiberReach DDM-2000
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363-206-305
Administration and Provisioning
Issue 3 June 2000
8-11
RT site the user side. It does not matter as long as the two sides are opposite
values. See the
set-fecom
command page in Chapter 11 for more details.
The network service access point (NSAP) is a multiple part address that uniquely
identifies an NE for OSI interworking purposes. A unique NSAP is programmed
into the FiberReach BBG8/BBG8B SYSCTL circuit pack at the factory. This
default NSAP value is adequate to operate current networks. NSAP provisioning,
using the
ent-ulsdcc
command, will be used as part of future upgrade
procedures. See the
ent-ulsdcc
command in Chapter 11, "Commands and
Reports," for more information on NSAP provisioning.
Port State Provisioning
8
Port state provisioning is a feature provided on DDM-2000 Multiplexers that
suppresses alarm reporting and performance monitoring by supporting multiple
states [automatic (AUTO), in-service (IS), and not-monitored (NMON)] for low
speed DS1 ports.
Ports without signals (undriven) are in the automatic (AUTO) state until changed
to the in-service (IS) state when a signal is present. The
set-state-t1
command allows a user to change the state of a port to the not monitored (NMON)
state or from the NMON state to the AUTO state. The
rtrv-state-eqpt
and
rtrv-t1
commands allow a user to retrieve current port states. The
upd
command allows a user to change the port state of all undriven ports from IS to
AUTO.
Channel State Provisioning
8
Channel state provisioning is a feature provided on DDM-2000 FiberReach
Multiplexers that suppresses reporting of alarms and events for VT1.5 and STS-1
channels during provisioning by supporting multiple states (automatic, in-service,
and not-monitored) for VT1.5 and STS-1 channels. The
rtrv-state-vt1
and
rtrv-state-sts1
commands allow a user to retrieve current channel states.
While an end-to-end circuit is being set up, particularly during VT1.5 cross-
connection provisioning, several transient maintenance signals may result.
Without automatic channel state provisioning, these are reported as alarms or
events. The technicians are expected to ignore these transient alarms and initiate
corrective action only if the alarms persist after the provisioning is completed. To
avoid the confusion created by this, DDM-2000 FiberReach Multiplexers provide
automatic channel state provisioning.
A VT1.5 or STS-1 channel stays in the default automatic (AUTO) state until a valid
signal (a framed non-AIS or non-LOP signal) is received on that channel. While in
AUTO state, no alarms or events are reported on the channel by the DDM-2000
FiberReach Multiplexer. On receiving a valid signal, which occurs when the end-

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Lucent Technologies FiberReach DDM-2000 Specifications

General IconGeneral
BrandLucent Technologies
ModelFiberReach DDM-2000
CategoryMultiplexer
LanguageEnglish

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