
4
Install Chassis and Connect Cables (continued)
Identifying Cable Types
8-Conductor Rollover Cable
Hold the connectors side-by-side, with the tab at the
back. The colored wires are in the opposite sequence
atoppositeendsofthecable. Ifyourcablecame from
Cisco Systems, pin 1 is white on one plug, and pin 8
is white on the opposite plug. (A rollover cable
reverses the wire connections at the opposite ends:
1to8,2to7,3to6,4to5,5to4,6to3,7to2,and
8 to 1.)
8-Conductor Straight-Through Cable
Hold the connectors side-by-side, with the tab at the
back. The colored wires are in the same sequence at
opposite ends of the cable. (A straight-through cable
connectslike-numberedpinsat opposite ends: 1to1,
2to2,3to3,4to4,5to5,6to6,7to7,and8to8.)
RJ-48 T1/E1 Cable
ViewtheconnectorfortheCiscoMC3810port,with
the tab at the back. There are wires attached to four
ofthepins:1,2,4,and5.(Thepinoutattheopposite
end depends on the interface at that end.)
Pin 1
Pin 8
Same color
Pin 1
Same color
Pin 1
1
5
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