Beta Draft Confidential
Cables and Pinout Assignments
T1 Crossover Cable (DB-15)
CBX 500 Multiservice WAN Switch Hardware Installation Guide
4/5/03
B-9
T1 Crossover Cable (DB-15)
Figure B-5.
T1 Crossover Cable Diagram
Table B-5.
T1 Crossover Cable Pinouts (DB-15)
Pin
Male Connector #1 Signal
Pin
Male Connector #2 Signal
1
Transmit Tip
3
Receive Tip
3
Receive Tip
1
Transmit Tip
9
Transmit Ring
11
Receive Ring
11
Receive Ring
9
Transmit Ring
Required Twisted Pairs
1 and 9
3 and 11
Product Code: 40020
Male DB-15
Connector #2
(Cable Entry View)
Male DB-15
Connector #1
(Cable Entry View)
Pin
8
Pin
15
Pin
9
Pin
1
Pin
1
Pin
9
Pin
15
Pin
8