Floppy Disk Drive; Motherboard Interconnections - Avaya Octel 200 Installation And Maintenance Manual

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The following table shows the motherboard functions and their interconnections.

System/Voice

*Even though Slot B5 is connected through the SCSI bus, only the floppy drive is installed in this slot. The

floppy drive only draws power from this connection.

Option Control Chip (OCC)

The OCC is located on the motherboard, directly behind the PSU.

The Octel 300 OCC is on the Shelf A motherboard.

The OCC contains information about the message server configuration, the number of voice and fax

mailboxes authorized, and the Octel 200/300 feature options.

The OCC must always remain with the message server it was purchased for. If the motherboard must

be replaced, the OCC must be transferred from the old motherboard to the replacement motherboard.

Refer to the Hardware Replacement, Option Control Chip Replacement section, in this manual.

Floppy Disk Drive

The load/backup device is the floppy disk drive, which permits online backup of critical message

server configuration information as well as names and greetings. It offers a reliable means of copying

new software and prompts to the hard disk. The floppy disk drive is also used to restore a message

server to normal operation when replacing the hard disk.

The Octel 200 floppy disk drive is an integral part of the PSU.

The Octel 300 floppy disk drive is a separate unit connected by a cable to the front of the CPU.

Table 2-2 Motherboard Interconnections

A1 through A7 to

A1 through A12 to

P1 through P7

P1 through P12

A1 through A7

A1 through A12

Octel 200/300

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