Cisco 4500M Guia de Instalação Página 211

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Cabling Specifications A-71
Serial Cables
EIA-530 Four-Port Serial Module Cable Assembly
Figure A-13 shows the four-port serial module EIA-530 cable assembly that is used on the
NP-4T and the high-speed serial ports on the NP-2T16S, Table A-25 lists the pinouts.
Arrows indicate signal direction: —> indicates DTE to DCE, and <— indicates DCE to
DTE.
J1-10
J1-26
RLSD+ (RR+)
RLSD– (RR–)
<—
<—
J2-8
J2-10
Twisted pair
J1-2
J1-18
SCT+
SCT–
<—
<—
J2-15
J2-12
Twisted pair
J1-37
J1-21
SCR+
SCR–
<—
<—
J2-17
J2-9
Twisted pair
J1-43
J1-27
SCTE+ (TT+)
SCTE– (TT–)
<—
<—
J2-24
J2-11
Twisted pair
J1-7 LL —> J2-18 Twisted pair
J1-48
J1-36
Ground J2-23
J2-7
Twisted pair
J1-15 Shield J2-1 Single wire
J1-8
J1-24
DCE Ready
Ground
<— J2-6
J2-23
Twisted pair
J1-41 DTE Ready —> J2-20 Twisted pair
Table A-24 Dual Serial Module EIA-530 DTE Serial Cable Pinouts (Continued)
72-0732-01 Connections
50 Pin Signal Name Direction 25 Pin Type
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