TEW5921 is designed to be

used as a Transmit and Receive

transformer in the ISDN pri-

mary rate access network with

the following devices:

–

Siemens

PEB2254

Applications

•

Primary rate ISDN network

nodes

•

PBX or computer to

T1/CEPT Digital Trunks.

•

TDM Multiplexers.

Line Impedance (

Ω)

(1 - 4)

100, 75, 120

Turns ratio

(5 - 6) : (1 - 4)

1 : 1.41 c.t.

Inductance (mH)

(1 - 4)

> 2.8

Pulse Mask

T1.408, G.703

Longitudinal Balance

T1.408, I.431

Dielectric Strength (V rms)

1500

5

3

1

6

4

2

MECHANICAL

ELECTRICAL SPECIFICATION

TEW5921

Recommended Foot Print

Filtran Limited

229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3,

2-63

Tel : (613) 226-1626 Fax : (613) 226-7124

5921

Dimensions

are in mm

T1/CEPT

Input/Output Transformer

TEW5921

Top view

TEW5921

1

2 C.T.

4

5

6

TEW5921

CEPT/T1

Input/OutputTransf.

Surface Mount

SMD-6 ........................................................ 2-63