Installation guide

Cabling Specifications A-17
Serial Cables
J8-196
J8-195
I_RXD/TXD+
I_RXD/TXD-
Twisted Pair # 3 <— RD+
RD-
J7-R
J7-T
J8-198
J8-197
O_TXCE/RXC+
O_TXCE/RXC-
Twisted Pair # 2 <— SCTE+
SCTE-
J7-U
J7-W
J8-194
J8-193
I_RXC/TXCE+
I_RXC/TXCE-
Twisted Pair # 4 —> SCR+
SCR-
J7-V
J7-X
J8-192
J8-191
IO_TXC/TXC+
IO_TXC/TXC-
Twisted Pair # 5 —> SCT+
SCT-
J7-Y
J7-AA
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
J8-126
J8-125
MODE_1
GROUND
Shorting
Group
–
J8-175
J8-176
MODE_0
GROUND
Shorting
Group
–
SHIELD_GROUND Braid SHIELD GND J0-A
J8-23
J8-21
I_CTS/RTS+
I_DSR/DTR+
Twisted Pair # 8 <—
<—
RTS
DSR
J0-C
J0-H
J8-16
J8-14
O_RTS/CTS+
O_DTR/DSR+
Twisted Pair # 7 —>
—>
CTS
DTR
J0-D
J0-E
J8-12
J8-11
IO_DCD/DCD+
SIG_GROUND
Twisted Pair #6 —> RLSD
SIG GND
J0-F
J0-B
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