Installation guide

Cabling Specifications A-61
Serial Cables
J8-140
J8-133
SIG_GROUND
SIG_GROUND
Twisted pair #6 – SIG GND
SIG GND
J5-8
J5-8
– 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 J6-1
J8-151
J8-152
O_TXD/RXD+
O_TXD/RXD-
Twisted pair #1 —>
—>
TRANSMIT+
TRANSMIT-
J6-2
J6-9
J8-166
J8-167
O_RTS/CTS+
O_RTS/CTS-
Twisted pair #4 —>
—>
CONTROL+
CONTROL-
J6-3
J6-10
J8-155
J8-156
I_RXD/TXD+
I_RXD/TXD-
Twisted pair #2 <—
<—
RECEIVE+
RECEIVE-
J6-4
J6-11
J8-173
J8-174
I_CTS/RTS+
I_CTS/RTS-
Twisted pair #5 <—
<—
INDICATION+
INDICATION-
J6-5
J6-12
J8-157
J8-158
I_RXC/TXCE+
I_RXC/TXCE-
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
–
Table A-22 Low-Speed X.21 DTE Compact Serial Cable Pinouts (Continued)
Router End (200-Position Plug) Network End (15-Pin Connectors)
Pin Signal Note Direction Signal Pin