Installation guide

A-14 Cisco 4000 Series Installation Guide
Serial Cables
J8-94 I_RXC/TXCE+
Not used
Twisted pair #4 <— RXC
Not used
J3-17
J3-7
J8-82
J8-83
O_LL/NIL+
SIG_GROUND
Twisted pair #9 —> LTST
SIG GND
J3-18
J3-7
J8-98 O_TXCE/RXC+
Not used
Twisted pair #2 —> TXCE
Not used
J3-24
J3-7
SHIELD_GROUND Braid SHIELD GND J4-1
J8-101 O_TXD/RXD+
Not used
Twisted pair # 1 —> TXD
Not used
J4-2
J4-7
J8-105 I_RXD/TXD+
Not used
Twisted pair #3 <— RXD
Not used
J4-3
J4-7
J8-116
J8-114
O_RTS/CTS+
O_DTR/DSR+
Twisted pair #7 —>
—>
RTS
DTR
J4-4
J4-20
J8-123
J8-121
I_CTS/RTS+
I_DSR/DTR+
Twisted pair #8 <—
<—
CTS
DSR
J4-5
J4-6
J8-112
J8-111
IO_DCD/DCD+
SIG_GROUND
Twisted pair #6 <— DCD
SIG GND
J4-8
J4-7
J8-109 IO_TXC/TXC+
Not used
Twisted pair #5 <— TXC
NOT USED
J4-15
J4-7
J8-107 I_RXC/TXCE+
Not used
Twisted pair #4 <— RXC
Not used
J4-17
J4-7
J8-119
J8-118
O_LL/NIL+
SIG_GROUND
Twisted pair #9 —> LTST
SIG GND
J4-18
J4-7
J8-103 O_TXCE/RXC+
Not used
Twisted pair #2 —> TXCE
Not used
J4-24
J4-7
Table A-7 Low-Speed EIA/TIA-232 DTE Compact Octal Serial Cable Pinouts
Router End (200-Position Plug) Network End (25-Pin Connectors)
Pin Signal Note Direction Signal Pin