Components and Subsystems

TEW-5564 Isolation/Bridging Transformer

TEW5364 is specifically designed to be used as an isolation/bridging transformer in test setups for testing Longitudinal Balance and Return Loss in Primary Rate and Basic Rate Circuits.

A shield is provided to improve the balance.

Features: 
  • Shield between windings
  • Very low Leakage Inductance
  • Excellent balance

TEW-5550 Series Input Transformer

TEW-5550 is designed to be used as a receive transformer in the following applications on 75 ohm coaxial lines.

  • T3/DS3 44.736 MBPS
  • E3 34.368 MBPS
  • STS-1 51.84 MBPS

Approved for use with:

  • SSI 78P2362
Features: 
  • Return Loss exceeds the requirements of CCITT G.703.

TEW-5549 Series Output Transformer

TEW-5549 is designed to be used, as a transmit transformer in the following applications on 75 ohm coaxial lines.

  • T3/DS3 44.736 MBPS
  • E3 34.368 MBPS
  • STS-1 51.84MBPS

Approved for use with:

  • SSI 78P2362
Features: 
  • Exceeds the requirements of CCITT G.703.

TEW-5532 Series Matching Transformer

TEW-5532 is specifically designed to match a 120 ohm twisted pair to a 75 ohm coaxial line in the CEPT trunk. Applications:

  • Digital subscriber lines.
  • High speed data transmission over twisted wire.
  • Digital PABX line cards and telephone sets.
Features: 

Features:

  • Small size
  • Low cost

TEW-5503 Series Input/Output Transformer

TEW-5503 - 1 & - 2 are designed to be used, as INPUT Transformers in the ISDN primary rate access network for the following devices:

  • Crystal 61535A, 61574A, 61575, and 6158A
  • Level One 304A, and 305A

Also as IN / OUTPUT Transformer for:

  • Crystal 61534, 61535, 61574, and 6158
  • Level One 300, 301, 305

TEW-5503 - 3 Designed as OUTPUT Transformer for:

  • Brooktree BT8069B
  • Level One LXT319, 318, 360
  • Mitel MT9075

TEW-5503 - 4 Designed as INPUT Transformer for:

  • Brooktree BT8069B
  • Level One LXT319, 318, 360
  • Mitel MT9075

TEW-5503 - 5 Designed as INPUT & UTPUT Transf. for:

  • PMC-Sierra PM4351 Comet
Features: 
  • Primary rate ISDN network nodes
  • PBX or computer to T1/CEPT Digital Trunks.
  • TDM Multiplexers

TEW-5502 Series Output Transformer

TEW5502 is designed and approved to be used as an OUTPUT transformer in T1/CEPT applications with the following devices:

  • Crystal 61535A,61574A, 61575, and 6158A
  • Level One 304A, and 305A

Complies with ANSI T1.408 and CCITT I.431 with regards to Longitudinal Balance.

Features: 
  • Primary rate ISDN network nodes.
  • PBX or computer to T1/CEPT Digital Trunks.
  • TDM Multiplexers.

TEW-5498 Series Input/Output Transformer

TEW-5498 is designed to comply with the requirements of an input/output transformer in the ISDN S-Bus Interface. TEW-5498 complies with the requirements of CCITT I.430 and ANSI T1.605.

TEW5498 has been designed and approved for the following devices:

  • Motorola MC145474 and MC145475
Features: 
  • Compact size
  • Wide temperature range

TEW-5434 Series Input Transformer

TEW-5434 is designed to be used as a Receive transformer in the ISDN primary rate access network. TEW5434 is approved for:

  • Mitel MT89760/60B and MT98790/90B
Features: 
  • Primary rate ISDN network nodes.
  • PBX or computer to T1/CEPT Digital Trunks.
  • TDM Multiplexers.

TEW-5433 Series Output Transformer

TEW-5433 is designed to be used as a transmit transformer in the ISDN primary rate access network for:

  • Mitel MT89760/60B and MT98790/90B

TEW-5433-4 is designed for:

  • MT89790B

when operating from a single 5 V dc source.

Features: 
  • Primary rate ISDN network nodes.
  • PBX or computer to T1/CEPT Digital Trunks.
  • TDM Multiplexers.

TEW-5414 Series Output Transformer

TEW-5414 is specifically designed for use as a Line Output Transformer in T1/CEPT applications with the following devices:

  • Crystal CS61535A, CS61574A, CS61675, and CS6158A
Features: 
  • PBX or computer to T1/CEPT Digital Trunks.
  • High speed data link using T1/CEPT Digital Trunk.
  • TDM Multiplexers.
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