extended warranty

The 1-Year Adtran Custom Service Extended Service Agreement from Adtran is a comprehensive and flexible maintenance services program designed to protect your network from ...

Provides four Foreign Exchange Station (FXS) voice ports. Supports major FXS applications with exception of message waiting indication. Will not accept plug-on. (HOT SWAPPABLE)

NetVanta Analog Modem Dial Backup Module

A comprehensive and flexible installation and maintenance service program Adtran Custom Extended Services (ACES) is designed to protect your network from unnecessary downtime.

NetVanta 56/64K NetWork Interface Module

NetVanta 3200 with T1/FT1 + DSX-1 NIMIncluded in bundle:1C009431202860L118132051200863L1

'19" Rackmounted shelf, houses 2 standalone DSU IV ESP, TSU ESP, FSU, FSU 5622 ESP, DSU IQ, TSU IQ, IQ Probe or ISU 512 products.

The ACES (ADTRAN Custom Extended Services) Next Business Day Parts Replacement service from ADTRAN is a comprehensive and flexible maintenance services program designed to protect ...

One set of brackets used for mounting one or two Battery Packs into a 19" rack (works w/ 1175044L1 battery back-up system).

TA 750/850 DC PSU P/S UNIT

TSU 120E EMBEDDED SNMP DSX-1 PBX & V.35 Modular T1/FT1 DSU/CSU w/ embedded SNMP,DSX-1 PBX & V.35 supporting Dial BackUp.

15 ft. Coax Cable

Ideal for extending T3/E3/STS-1 services over private point-to-point fiber. Distances up to 40 km. Single-mode fiber optics. 1 U high standalone, rackmount, or wallmount.

A comprehensive and flexible installation and maintenance service program, ADTRAN Custom Extended Services (ACES) from ADTRAN is designed to protect your network from unnecessary ...

The Drop and Insert (D&I) Module provides a secondary T1 (1.544 Mbps) interface to TELCO or to private T1 facilities.