Cisco Systems VCO/4K specifications Hard Disk Drive

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Chapter 4 Storage/Control I/O Module

Description

The connectors mounted on the front pane are:

:

4 serial ports

DB-25

SCSI port

50-pin mini-SCSI connector

Ethernet

DB-15

Printer

36-pin Centronics

The connectors mounted on the board are:

SCSI

DIN 64

MODEM

20-pin IDC connector

MODEM power

5-pin header

The LEDs mounted on the board are:

 

ENET

If illuminated, shows that power is available to the

 

Ethernet

SCSI

If illuminated, shows that there is SCSI termination

 

power

Hard Disk Drive

The hard disk drive is a SCSI-compatible drive that is used as the system controller’s main data storage facility. The hard disk drive requires +5 volts and +12 volts DC to operate. The hard disk drive is shown in Figure 4-2.The Storage/Control I/O Module supports the hard disk drive LED. The LED is located on the Combined Controller and is visible from the front of the system (see Figure 4-3).

Cisco VCO/4K Mechanical Assemblies

4-4

78-10334-03

 

 

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Contents Specifications Storage/Control I/O ModuleFront Panel Indicators and Ports Assignments DescriptionStorage/Control I/O Module Front Panel Hard Disk Drive Hard disk drive Midplane Connectors Hard disk drive LEDsPin Signal Name Description/Direction Serial Ports 1GND Serial Ports 3 Ethernet InterfacePin Signal Signal Name Printer InterfaceHardware Configuration Scsi Termination ConfigurationSerial Port Configuration Serial Ports 1 Through 4 and Jumper SettingsSerial Ports 1 Through Port DTE Operation DCE OperationRemoval and Replacement Information Jumper Configuration for DCE/DTE, Serial Ports11 Storage/Control I/O Module Location Removal Procedures Replacement Procedures TroubleshootingLEDs Not Illuminated Troubleshooting Reference Materials
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