Cisco 4500M Guía de instalación Pagina 147

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Cabling Specifications A-7
Serial Cables
EIA/TIA-232 Four-Port Serial Module Cable Assembly
Figure A-2 shows the serial module EIA/TIA-232 cable assembly that is used on the NP-4T
and the high-speed serial ports on the NP-2T16S; Table A-5 lists the DTE pinouts; and
Table A-6 lists the DCE pinouts. Arrows indicate signal direction: —> indicates DTE to
DCE, and <— indicates DCE to DTE.
Figure A-2 EIA/TIA-232 Cable Assembly
J1-46
J1-30
J2-3
J2-20
Twisted pair J1-46
J1-44
J2-2
J2-7
TXD
GND
Twisted pair
J1-14
J1-47
J2-18
J2-17
Twisted pair J1-11
J1-42
J2-3
J2-20
RXD
DTR
Twisted pair
J1-31
J1-15
J2-15
J2-1
Twisted pair J1-9
J1-23
J2-18
J2-17
LTST
RXC
Twisted pair
J1-16 J2-24 Twisted pair J1-16
J1-15
J2-15
J2-1
TXC
Chassis ground
Twisted pair
Table A-4 Dual Serial Module EIA/TIA-232 DTE and DCE Serial Cable Pinouts
(Continued)
72-0670-01 DTE Connections 72-0736-01 DCE Connections
50 Pin 25 Pin Type 50 Pin 25 Pin Signal Type
H1972
60-pin connector 25-pin connector
Connectors are not to scale
J2-13
J2-25
J2-14
J2-1
J1-46
J1-45
J1-16
J1-15
J1-1
J1-30
J1-31
J1-60
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