Installation guide

Cabling Specifications A-23
Serial Cables
EIA/TIA-449 Dual Serial Module Cable Assembly
Figure A-4 shows the dual serial module EIA/TIA-449 cable assembly for cable
CAB-NP449T and CAB-NP449T. Table A-9 lists the DTE and DCE pinouts and signal
descriptions.
J8-159
J8-160
IO_TXC/TXC+
IO_TXC/TXC-
Twisted Pair #5 —>
—>
SCT+
SCT-
J6-Y
J6-AA
SHIELD_GROUND Braid SHIELD GND J7-A
J8-178
J8-180
I_CTS/RTS+
I_DSR/DTR+
Twisted Pair # 8 <—
<—
RTS
DSR
J7-C
J7-H
J8-185
J8-187
O_RTS/CTS+
O_DTR/DSR+
Twisted Pair # 7 —>
—>
CTS
DTR
J7-D
J7-E
J8-189
J8-190
IO_DCD/DCD+
SIG_GROUND
Twisted Pair #6 —> RLSD
SIG GND
J7-F
J7-B
J8-181
J8-183
I_NIL/LL+
SIG_GROUND
Twisted Pair #9 <— LT
SIG GND
J7-K
J7-B
J8-196
J8-195
I_RXD/TXD+
I_RXD/TXD-
Twisted Pair #3 <—
<—
SD+
SD-
J7-P
J7-S
J8-200
J8-199
O_TXD/RXD+
O_TXD/RXD-
Twisted Pair #1 —>
—>
RD+
RD-
J7-R
J7-T
J8-194
J8-193
I_RXC/TXCE+
I_RXC/TXCE-
Twisted Pair #4 <—
<—
SCTE+
SCTE-
J7-U
J7-W
J8-198
J8-197
O_TXCE/RXC+
O_TXCE/RXC-
Twisted Pair #2 —>
—>
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