Systems, Subsystems & Solutions

TEW-5736 Series Input/Output Transformer

TEW5736 is designed to be used, either as a transmit or as a receive transformer in the ISDN primary rate access network, interfacing the Siemens PEB2235 and PEB2236 devices.


Complies with ANSI T1.408 and CCITT I.431, with regards to Longitudinal Balance and with T1.408 and G.703 for the return
Loss.

When in transmit mode, connect the two primary windings in parallel, pin 2 to 3 and pin 5 to 4.

When in receive mode, connect the two primary windings in seriesp, pin 5 to pin 3.

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

TEW-5721 Series Input/Output Transformer

TEW5721 is designed to be used as an Input Transformer in the ISDN primary rate access network with the following devices:

  • Dallas:  DS2187
  • AT&T T:  7290
  • PMC/Sierra:   PM4341 T1X  &  PM6341 E1

TEW5721-1 is designed to be used as an Output Transformer for:

  • Brooktree:  BT8069B
  • Level One:   LXT310,318,360
  • Mitel:   MT9075

TEW5721-2 is designed to be used as an Input Transformer for:

  • Brooktree:  BT8069B
  • Level One:  LXT310, 318, 360
  • Dallas:  DS2151Q, DS2153Q
  • Mitel:  MT9075

TEW5721-3 is designed to be used as an Input and Output Transformer for:

  • Siemens:  PEB2254

TEW5721-4 is designed for:

Features: 
  • Designed to comply with a number of devices
  • Low cost

TEW-5720 Series Output Transformer

TEW5720 is designed to be used as a transmit transformer in the ISDN primary rate access network with the following devices:

Dallas

  • DS2186
  • DS2151Q
  • DS2153Q

AT&T

  • T7290

PMC-Sierra

  • PM4341 T1X
  • PM6341 E1

TEW5720-1 is designed to be used as transmit transformer for:

  • Rockwell BT8510

For SMD version: Add letter “S” after part number. E.g. TEW5720S-1.TDM Multiplexers.

Features: 
  • Low cost
  • Through Hole and SMD

TEW-5719 Series Input Transformers

TEW5719 is designed to be used as a Receive transformer in the ISDN primary rate access network.

TEW5719 is approved for:

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

TEW-5716 Series Output Transformer

TEW5716 is designed to be used as a transmit transformer in the ISDN primary rate access network interfacing the Mitel MT89760/60B and MT89790/90B devices.

TEW5716-4 is designed for MT89790B when operating from a single 5V dc source.

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

TEW-5714 U-Buss Input/Output Transformer

TEW5714 is designed to interface with the subscribers premises (NT) and the 2- wire line side of the Central Office Equipment (LT) in the ISDN Network.

TEW5714 meet the electrical requirements for the MOTOROLA MC145572 device.

Features: 
  • Low profile construction.
  • Up to 50 mA line current.
  • Meets the requirements of BS6301 for reinforced insulation, clearance and creepage distances between the line and the device side

CEP-5710 Common Mode Inductor

CES5710 is a 4-winding common mode inductor. It is specifically designed to suppress EMI on the 4-wire S-Bus in the ISDN system.

The windings are extremely well balanced in order to provide the required Longitudinal Balance laid down in CCITT I.430.

Features: 
  • Meets CCITT I.430
  • Suppresses EMI on the 4-wire S-Bus in the ISDN system

TEW-5694 Output Transformer

TEW5694 is designed and approved to be used, as a transmit transformer in CEPT applications with the following devices:

  • STC TEL5219L

Complies with CCITT G.703 and I.431, with regards to Longitudinal Balance, Pulse Mask and Impedance

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

TEW-5660 Series Input/Output Transformer

TEW5660 is a surface mount transformer, designed to comply with the requirements of an input/output transformer in the ISDN S-Bus Interface.

TEW5660 complies with the requirements of CCITT I.430.

It has been designed and approved for the following devices:

TEW5660

  • AMD 79C30A
  • Mitel MT8930A,- B, - C,  MT8931B, - C
  • National TP3420
  • Siemens PEB2080,  PEB2081,  PEB2085  PEB2086
  • Cologne HFC-SP

TEW5660-1

  • Intel 29C53

TEW5660-2

  • Motorola MC145474,  MC145475
Features: 
  • Complies with ISDN S-Bus Interface
  • Meets the requirements of CCITT I.430

TPW-5640 Input/Output Transformer

TPW5640 is designed to interface with the subscribers premises (NT) and the 2-wire line side of the Central Office Equipment (LT) in the ISDN.

TPW5640 meets the electrical specifications for the Motorola MC145472 device.

TPW5640 conforms to the requirements of the ANSI T1.601-1988.

Features: 
  • Meets the electrical specifications for the Motorola MC145472
  • Meets the requirements of the ANSI T1.601-1988
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