Installation guide

A-60 Cisco 4000 Series Installation Guide
Serial Cables
J8-105
J8-106
I_RXD/TXD+
I_RXD/TXD-
Twisted pair #2 <—
<—
RECEIVE+
RECEIVE-
J4-4
J4-11
J8-123
J8-124
I_CTS/RTS+
I_CTS/RTS-
Twisted pair #5 <—
<—
INDICATION+
INDICATION-
J4-5
J4-12
J8-107
J8-108
I_RXC/TXCE+
I_RXC/TXCE-
Twisted pair #3 <—
<—
TIMING+
TIMING-
J4-6
J4-13
J8-111
J8-118
SIG_GROUND
SIG_GROUND
Twisted pair #6 – SIG GND
SIG GND
J4-8
J4-8
– 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 J5-1
J8-150
J8-149
O_TXD/RXD+
O_TXD/RXD-
Twisted pair #1 —>
—>
TRANSMIT+
TRANSMIT-
J5-2
J5-9
J8-135
J8-134
O_RTS/CTS+
O_RTS/CTS-
Twisted pair #4 —>
—>
CONTROL+
CONTROL-
J5-3
J5-10
J8-146
J8-145
I_RXD/TXD+
I_RXD/TXD-
Twisted pair #2 <—
<—
RECEIVE+
RECEIVE-
J5-4
J5-11
J8-128
J8-127
I_CTS/RTS+
I_CTS/RTS-
Twisted pair #5 <—
<—
INDICATION+
INDICATION-
J5-5
J5-12
J8-144
J8-143
I_RXC/TXCE+
I_RXC/TXCE-
Twisted pair #3 <—
<—
TIMING+
TIMING-
J5-6
J5-13
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