Beta Draft Confidential
Cables and Pinout Assignments
T1 Crossover Cable (DB-15)
CBX 500 Multiservice WAN Switch Hardware Installation Guide 4/5/03B-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
1and9
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
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