Installation guide

A-26 Cisco 4000 Series Installation Guide
Serial Cables
Figure A-5 EIA/TIA-449 Four-Port Module Cable Assembly
Table A-10 EIA/TIA-449 DTE Cable Pinouts (DB-60 to DB-37)
60 Pin Signal Name Note
Directio
n 37 Pin Signal Name
J1-49
J1-48
MODE_1
GND
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. 6 —>
—>
J2-4
J2-22
SD+
SD–
J1-24
J1-23
TXC/RXC+
TXC/RXC–
Twisted pair no. 9 <—
<—
J2-5
J2-23
ST+
ST–
J1-28
J1-27
RXD/TXD+
RXD/TXD–
Twisted pair no. 11 <—
<—
J2-6
J2-24
RD+
RD–
J1-9
J1-10
RTS/CTS+
RTS/CTS–
Twisted pair no. 5 —>
—>
J2-7
J2-25
RS+
RS–
J1-26
J1-25
RXC/TXCE+
RXC/TXCE–
Twisted pair no. 10 <—
<—
J2-8
J2-26
RT+
RT–
H1973
60-pin connector (J1)
37-pin connector (J2)
Connectors are not to scale
J2-19
J2-37
J2-20
J2-1
J1-46
J1-45
J1-16
J1-15
J1-1
J1-30
J1-31
J1-60