Installation guide

A-18 Cisco 4000 Series Installation Guide
Serial Cables
J8-20
J8-18
I_NIL/LL+
SIG_GROUND
Twisted Pair #9 <— LT
SIG GND
J0-K
J0-B
J8-5
J8-6
I_RXD/TXD+
I_RXD/TXD-
Twisted Pair #3 <—
<—
SD+
SD-
J0-P
J0-S
J8-1
J8-2
O_TXD/RXD+
O_TXD/RXD-
Twisted Pair #1 —>
—>
RD+
RD-
J0-R
J0-T
J8-7
J8-8
I_RXC/TXCE+
I_RXC/TXCE-
Twisted Pair #4 <—
<—
SCTE+
SCTE-
J0-U
J0-W
J8-3
J8-4
O_TXCE/RXC+
O_TXCE/RXC-
Twisted Pair #2 —>
—>
SCR+
SCR-
J0-V
J0-X
J8-9
J8-10
IO_TXC/TXC+
IO_TXC/TXC-
Twisted Pair #5 —>
—>
SCT+
SCT-
J0-Y
J0-AA
SHIELD_GROUND Braid SHIELD GND J1-A
J8-28
J8-30
I_CTS/RTS+
I_DSR/DTR+
Twisted Pair # 8 <—
<—
RTS
DSR
J1-C
J1-H
J8-35
J8-37
O_RTS/CTS+
O_DTR/DSR+
Twisted Pair # 7 —>
—>
CTS
DTR
J1-D
J1-E
J8-39
J8-40
IO_DCD/DCD+
SIG_GROUND
Twisted Pair #6 —> RLSD
SIG GND
J1-F
J1-B
J8-31
J8-33
I_NIL/LL+
SIG_GROUND
Twisted Pair #9 <— LT
SIG GND
J1-K
J1-B
J8-46
J8-45
I_RXD/TXD+
I_RXD/TXD-
Twisted Pair #3 <—
<—
SD+
SD-
J1-P
J1-S
J8-50
J8-49
O_TXD/RXD+
O_TXD/RXD-
Twisted Pair #1 —>
—>
RD+
RD-
J1-R
J1-T
Table A-8 Low-Speed EIA/TIA-232 DCE Compact Octal Serial Cable Pinouts
Router End (200-Position Plug) Network End (25-Pin Connectors)
Pin Signal Note Direction Signal Pin