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. 05.20.03

Page 2

27.9

±0.20

1.0

±0.1

25.9

28.9

2.54 in 16

Places

1.2

3.0

Side View

Top View

Recommended PCB Layout

End View

2.0

MAX

25.4

+/-0.254

31.75

+/- 0.381

5.7

±0.2

0.5

15.0 MAX

SKYLINE

0.25

MECHANICAL

FREQUENCY ALLOCATION

ISDN LPF Protection Module

APC77158

Pin No.

Signal

Pin No.

Signal

1

RING

10

N/C

2

FGND

11

N/C

3

FGND

12

N/C

4

TIP

13

N/C

5

N/C

14

N/C

6

ISDN P

15

N/C

7

N/C

16

VDSL N

8

N/C

17

N/C

9

ISDN N

18

VDSL P