Specifications

C-10 Cisco Multiport Router Installation and Configuration Guide
Synchronous Serial Cable Assemblies and Pinouts
EIA/TIA-232
Figure C-7 shows the EIA/TIA-232 cable assembly. Table C-7 lists the DTE pinouts.
Table C-8 lists the DCE pinouts. Arrows indicate signal direction: —> indicates DTE to
DCE, and <— indicates DCE to DTE.
Figure C-7 EIA/TIA-232 Cable Assembly
1. The EIA-530 interface operates in DTE mode only. A DCE cable is not
available for the EIA-530 interface.
J1-7
J1-8
DTR/DSR+
DTR/DSR–
J2-20
J2-23
CD(A), DTR+
CD(B), DTR–
—>
—>
J1-13
J1-14
TxCE/TxC+
TxCE/TxC–
J2-24
J2-11
DA(A), TxCE+
DA(B), TxCE–
—>
—>
J1-51
J1-52
GND
MODE_DCE
—
—
—
—
Shorted
Table C-6 EIA-530 DTE Cable Pinouts (DB-60 to DB-25) (Continued)
60 Pin Signal 25 Pin Signal
Direction
DTE DCE
1
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