ISDN Cable

1. ISDN BRI S/T Cable
2. ISDN BRI Cross Over Cable

ISDN BRI S/T Cable

8 Pin	TE	NT	Polarity
1	Not used	Not used	Not used
2	Not used	Not used	Not used
3	Transmit	Receive	+
4	Receive	Transmit	+
5	Transmit	Receive	–
6	Receive	Transmit	–
7	Not used	Not used	Not used
8	Not used	Not used	Not used
1	Not used	Not used	Not used

ISDN BRI Cross Over Cable

Side A (8 Pin)	connect	Side B (8 Pin)
1	Not used	1
2	Not used	2
3	<->	4
4	<->	3
5	<->	6
6	<->	5
7	Not used	7
8	Not used	8
1	Not used	Not used	Not used

Cisco 1603-R

Netzwerk Lexikon