Installation guide

A-54 Cisco 4000 Series Installation Guide
Serial Cables
Table A-20 Four-Port Serial X.21 DTE Cable Pinouts (DB-60 to DB-15)
60 Pin Signal Name Type
Directio
n 15 Pin Signal Name
J1-48
J1-47
GND
MODE_2
Shorting group - – –
J1-51
J1-52
GND
MODE_DCE
Shorting group – – –
J1-46 Shield_GND Single – J2-1 Shield GND
J1-11
J1-12
TXD/RXD+
TXD/RXD–
Twisted pair no. 3 —>
—>
J2-2
J2-9
Transmit+
Transmit–
J1-9
J1-10
RTS/CTS+
RTS/CTS–
Twisted pair no. 2 —>
—>
J2-3
J2-10
Control+
Control–
J1-28
J1-27
RXD/TXD+
RXD/TXD–
Twisted pair no. 6 <—
<—
J2-4
J2-11
Receive+
Receive–
J1-1
J1-2
CTS/RTS+
CTS/RTS–
Twisted pair no. 1 <—
<—
J2-5
J2-12
Indication+
Indication–
J1-26
J1-25
RXC/TXCE+
RXC/TXCE–
Twisted pair no. 5 <—
<—
J2-6
J2-13
Timing+
Timing–
J1-15
Shield
Control_GND
–
Twisted pair no. 4 –
–
J2-8
Shield
Control GND
–
Table A-21 Four-Port Serial X.21 DCE Cable Pinouts (DB-60 to DB-15)
60 Pin Signal Name Type
Directio
n 15 Pin Signal Name
J1-48
J1-47
GND
MODE_2
Shorting group – – –
J1-46 Shield_GND Single – J2-1 Shield GND
J1-28
J1-27
RXD/TXD+
RXD/TXD–
Twisted pair no. 6 <—
<—
J2-2
J2-9
Transmit+
Transmit–