Installation guide

A-12 Cisco 4000 Series Installation Guide
Serial Cables
J8-50 O_TXD/RXD+
Not used
Twisted pair # 1 —> TXD
Not used
J1-2
J1-7
J8-46 I_RXD/TXD+
Not used
Twisted pair #3 <— RXD
Not used
J1-3
J1-7
J8-35
J8-37
O_RTS/CTS+
O_DTR/DSR+
Twisted pair #7 —>
—>
RTS
DTR
J1-4
J1-20
J8-28
J8-30
I_CTS/RTS+
I_DSR/DTR+
Twisted pair #8 <—
<—
CTS
DSR
J1-5
J1-6
J8-39
J8-40
IO_DCD/DCD+
SIG_GROUND
Twisted pair #6 <— DCD
SIG GND
J1-8
J1-7
J8-42 IO_TXC/TXC+
Not used
Twisted pair #5 <— TXC
Not used
J1-15
J1-7
J8-44 I_RXC/TXCE+
Not used
Twisted pair #4 <— RXC
Not used
J1-17
J1-7
J8-32
J8-33
O_LL/NIL+
SIG_GROUND
Twisted pair #9 —> LTST
SIG GND
J1-18
J1-7
J8-48 O_TXCE/RXC+
Not used
Twisted pair #2 —> TXCE
Not used
J1-24
J1-7
SHIELD_GROUND Braid SHIELD GND J2-1
J8-51 O_TXD/RXD+
Not used
Twisted pair # 1 —> TXD
Not used
J2-2
J2-7
J8-55 I_RXD/TXD+
Not used
Twisted pair #3 <— RXD
Not used
J2-3
J2-7
J8-66
J8-64
O_RTS/CTS+
O_DTR/DSR+
Twisted pair #7 —>
—>
RTS
DTR
J2-4
J2-20
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