A-3
Cisco AS5350XM and Cisco AS5400XM Universal Gateways Card Installation Guide
78-17406-01
Appendix A Cabling Specifications
2-Port and 4-Port T1 or E1 Feature Card Cable and Port Pinouts
Figure A-2
RJ-45-to-BNC Cable Assembly for 75-Ohm, Unbalanced Connections
Table A-5
lists the RJ-45-to-BNC cable pinouts.
Figure A-3
RJ-45 to Twinax Cable Assembly for 120-Ohm, Balanced Connections
Table A-6
lists the RJ-45 to twinax cable pinouts.
J1-2
RX Ring
Twisted Pair #1
<—
J2-9
J1-3
RX Shield
Twisted Pair #3
J2-2
J1-4
TX Tip
Twisted Pair #2
—>
J2-3
J1-5
TX Ring
Twisted Pair #2
—>
J2-11
J1-6
TX Shield
Twisted Pair #4
J2-4
Table A-4
RJ-45-to-DB-15 Null Modem Cable Pinouts (continued)
RJ-45 Pin
Signal
Description
Direction
DB-15 Pin
35643
J1
RX
TX
Table A-5
RJ-45-to-BNC Cable Pinouts
RJ-45 Pin
Signal
Description
Direction
BNC Pin
Shield
Ground
Shell
RX, TX Shields
J1-1
RX Tip
Twisted Pair #1
<—
RX-Tip
J1-2
RX Ring
Twisted Pair #1
<—
RX-Shield
J1-3
RX Shield
Twisted Pair #3
RX-Shield
J1-4
TX Tip
Twisted Pair #2
—>
TX-Tip
J1-5
TX Ring
Twisted Pair #2
—>
TX-Shield
J1-6
TX Shield
Twisted Pair #4
TX-Shield
35642
J1
RX
TX
Table A-6
RJ-45 to Twinax Cable Pinouts
RJ-45 Pin
Signal
Description
Direction
Twinax Pin
Shield
Ground
Shell
RX, TX Shields
J1-1
RX Tip
Twisted Pair #1
<—
RX-1
J1-2
RX Ring
Twisted Pair #1
<—
RX-2