Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com

©2003 Bel Fuse Inc. Specifications subject to change without notice. 09.23.03

Page 1

CORPORATE

Bel Fuse Inc.

206 Van Vorst Street

Jersey City, NJ 07302

Tel

201-432-0463

Fax 201-432-9542

www.belfuse.com

EUROPE

Bel Stewart Connector

45/46 Riverside

Medway City Estate

Rochester, Kent ME2 4DP U.K.

Tel 44-1634-722890

Fax 44-1634-716677

www.belfuse.com

FAR EAST

Bel Fuse Ltd.

8F / 8 Luk Hop Street

San Po Kong

Kowloon, Hong Kong

Tel 852-2328-5515

Fax 852-2352-3706

www.belfuse.com

©2003 Bel Fuse Inc. Specifications subject to change without notice. 09.23.03

Page 2

“Slim Line” Hybrid for Dallas E1

APC82235

SCHEMATIC

FEATURES

•

Supports Dallas chipset for E1 applications DS2155/Q55 LIU 3.3V IC 120

•

Minimum board space requirement - ideal for multiple interface line cards

•

Longitudinal protection circuit designed to meet FCC part 68 as well as Telcordia GR1089 for 1st level and 2nd level

lighting and 1st level power line cross events

•

Approval for safety standards to IEC60950, BS EN60950 supplementary isolation 1500V, working voltage 250V

•

“Slim Line” E1 hybrids have been designed to minimize the board space requirements for line interface circuitry on the

E1 multichannel line cards

NOTES: TYPICAL SCHEMATIC (SELV COMPONENTS WILL VARY SUBJECT TO APPLICATION)

1

2

5

3

4

RX

6

8

10 GND

9

TX

11

7 VCC