Installation guide

Cabling Specifications A-57
Serial Cables
J8-23
J8-24
I_CTS/RTS+
I_CTS/RTS-
Twisted pair #5 <—
<—
INDICATION+
INDICATION-
J0-5
J0-12
J8-7
J8-8
I_RXC/TXCE+
I_RXC/TXCE-
Twisted pair #3 <—
<—
TIMING+
TIMING-
J0-6
J0-13
J8-11
J8-18
SIG_GROUND
SIG_GROUND
Twisted pair #6 – SIG GND
SIG GND
J0-8
J0-8
– 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 J1-1
J8-50
J8-49
O_TXD/RXD+
O_TXD/RXD-
Twisted pair #1 —>
—>
TRANSMIT+
TRANSMIT-
J1-2
J1-9
J8-35
J8-34
O_RTS/CTS+
O_RTS/CTS-
Twisted pair #4 —>
—>
CONTROL+
CONTROL-
J1-3
J1-10
J8-46
J8-45
I_RXD/TXD+
I_RXD/TXD-
Twisted pair #2 <—
<—
RECEIVE+
RECEIVE-
J1-4
J1-11
J8-28
J8-27
I_CTS/RTS+
I_CTS/RTS-
Twisted pair #5 <—
<—
INDICATION+
INDICATION-
J1-5
J1-12
J8-44
J8-43
I_RXC/TXCE+
I_RXC/TXCE-
Twisted pair #3 <—
<—
TIMING+
TIMING-
J1-6
J1-13
J8-40
J8-33
SIG_GROUND
SIG_GROUND
Twisted pair #6 – SIG GND
SIG GND
J1-8
J1-8
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