The Nortel TN-1X is an early generation SDH optical multiplexer. It supports PDH, 2Mbit/s (E1) and STM-1 optical and electrical tributaries. It can function as an ADM ( add drop mux), terminal mux or re generator to deliver point to point, chain or ring SDH configurations.

Nortel TN-1X
Nortel TN-1X reference system in the MMX repair centre

 

It can be hard for operators to find spares for legacy SDH systems such as the Nortel TN-1X and so repair can be an attractive and cost effective option for the operator. Since MMX has a TN-1X reference system on hand faults can be diagnosed, repaired and then cards re-tested to check function in line with manufacturers specification.

Example part codes belonging to the Nortel TN-1X that can be repaired at the MMX repair centre

 

Part Code Description
25GMU00750GW TN-1X/4 L+F CHASSIS
25PPB50722BAP 2 X 2 MBITS I/F CARD
25PPB50722BAX PDMX SIGNAL PROCESSOR CARD
25UEP00750GXB TN1X SUBRACK ALARM UNIT
25UJJ00750GVZ 75 OHM TRAFFIC ACCESS MODULE
25UJJ00750GWX FLEXIBLE ACCESS MODULE
25UJJ00750GXC STN SERVICE MODULE
25UJJ00750HLV TRAFFIC ACCESS MODULE
25UJU00748GHM 2M TRIB
25UJU00750HVQ 2MBPS 120 OHM TRIBUTARY UNIT
25UJU00751HFF MEGIF 261
25UJU00751JAP SULIS 393
25UJU00751JGN LOMIF
25UMN00750GXD TN1X SUBRACK CONTROLLER
25UPJ00750GXF TN1X/PM01 PAYLOAD MANAGER (VC-
25UPW00748GJW POWER UNIT
25UTM00750GWA STM1 OPT AGG
25UTM00750GWB STM1 ELEC AGG
25UTM00750HWE STM1 OPT TRIB

 

To discuss your needs for repair of equipment belonging to the Nortel now Ciena TN-1X system please contact us.

MMX has no formal affiliation with Ciena in relation to repair services.

 

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