Installation guide

A-68 Cisco 4000 Series Installation Guide
Serial Cables
J8-166
J8-167
O_RTS/CTS+
O_RTS/CTS-
Twisted pair #5 —>
—>
INDICATION+
INDICATION-
J6-5
J6-12
J8-153
J8-154
O_TXCE/RXC+
O_TXCE/RXC-
Twisted pair #3 —>
—>
TIMING+
TIMING-
J6-6
J6-13
J8-161
J8-168
SIG_GROUND
SIG_GROUND
Twisted pair #6 – SIG GND
SIG GND
J6-8
J6-8
– Not used
Not used
Twisted pair #7 – Not used
Not used
–
– Not used
Not used
Twisted pair #8 – Not used
Not used
–
– Not used
Not used
Twisted pair #9 – Not used
Not used
–
SHIELD_GROUND Braid SHIELD GND J7-1
J8-196
J8-195
I_RXD/TXD+
I_RXD/TXD-
Twisted pair #1 <—
<—
TRANSMIT+
TRANSMIT-
J7-2
J7-9
J8-178
J8-177
I_CTS/RTS+
I_CTS/RTS-
Twisted pair #4 <—
<—
CONTROL+
CONTROL-
J7-3
J7-10
J8-200
J8-199
O_TXD/RXD+
O_TXD/RXD-
Twisted pair #2 —>
—>
RECEIVE+
RECEIVE-
J7-4
J7-11
J8-185
J8-184
O_RTS/CTS+
O_RTS/CTS-
Twisted pair #5 —>
—>
INDICATION+
INDICATION-
J7-5
J7-12
J8-198
J8-197
O_TXCE/RXC+
O_TXCE/RXC-
Twisted pair #3 —>
—>
TIMING+
TIMING-
J7-6
J7-13
J8-190
J8-183
SIG_GROUND
SIG_GROUND
Twisted pair #6 – SIG GND
SIG GND
J7-8
J7-8
Table A-23 Low-Speed X.21 DCE Compact Octal Serial Cable Pinouts
(Continued)
Router End (200-Position Plug) Network End (15-Pin Connectors)
Pin Signal Note Direction Signal Pin