4-8
Cisco VCO/4K Mechanical Assemblies
78-10334-03
Chapter 4 Storage/Control I/O Module
Description
Master console and remote maintenance modem operating parameters (Baud Rate, Stop Bits, Bits per
Character and Parity) are defined in the system database via the Peripheral Configuration screen. Wiring
for serial port connection to the Master Console is shown in Figure 4-5. Wiring for the remote
maintenance modem connection is shown in Figure 4-6. Refer to the Cisco VCO/4K System
Administrator’s Guide for more information.
Figure 4-5 I/O Module to Master Console—Cable Wiring Diagram
Note You can use a 25-conductor, straight-through cable to connect a master console to the
Storage/Control I/O Module. However, only the conductors shown in Figure 4-5 are used.
Figure 4-6 I/O Module to Remote Maintenance Modem—Cable Wiring Diagram
Note You must use a 9-pin connector (available from Cisco Systems). A 25-pin connector can be
used after the switch box.
Pin 2
Pin 3
Pin 7
Pin 2
Pin 3
Pin 7
Serial Port 1/Console
(DB-25P)
Male
VT220/320 Console
(DB-25S)
Female
(3-Conductor, Straight-Thru)
TxD
RxD
GND
50169
Pin 5
Pin 6
Pin 7
Serial Port 2/TTY01
(DB-25P)
Male
Remote Maintenance
Modem
(DB-25P)
Male
(7-conductor, Straight-thru)
Pin 2
Pin 3
Pin 8
Pin 20
Pin 5
Pin 2
Pin 3
Pin 8
Pin 20
Pin 6
Pin 7
TxD
RxD
CTS
DSR
GND
DCD
DTR
50170
