Installation guide

A-72 Cisco 4000 Series Installation Guide
Serial Cables
Figure A-13 Four-Port Serial Module EIA-530 Cable Assembly
Table A-25 Four-Port Serial EIA-530 DTE Cable Pinouts (DB-60 to DB-25)
60 Pin Signal Name 25 Pin Signal Name
Direction
DTE DCE
1
J1-11
J1-12
TXD/RXD+
TXD/RXD–
J2-2
J2-14
BA(A), TXD+
BA(B), TXD–
—>
—>
J1-28
J1-27
RXD/TXD+
RXD/TXD–
J2-3
J2-16
BB(A), RXD+
BB(B), RXD–
<—
<—
J1-9
J1-10
RTS/CTS+
RTS/CTS–
J2-4
J2-19
CA(A), RTS+
CA(B), RTS–
—>
—>
J1-1
J1-2
CTS/RTS+
CTS/RTS–
J2-5
J2-13
CB(A), CTS+
CB(B), CTS–
<—
<—
J1-3
J1-4
DSR/DTR+
DSR/DTR–
J2-6
J2-22
CC(A), DSR+
CC(B), DSR–
<—
<—
J1-46
J1-47
Shield_GND
MODE_2
J2-1
–
Shield
–
Shorted
J1-48
J1-49
GND
MODE_1
–
–
–
–
Shorted
H1972
60-pin connector 25-pin connector
Connectors are not to scale
J2-13
J2-25
J2-14
J2-1
J1-46
J1-45
J1-16
J1-15
J1-1
J1-30
J1-31
J1-60