Hardware Upgrades
To assemble the MFB and alarm board, perform these steps:
1. Place the two boards together and attach them using the three socket-
head slotted screws.
2. Reconnect the interboard bus cable (H600-345) to the top edge of both
boards.
NOTE:
The interboard bus cable connector with the pull tab connects to the
MFB board.
3. Connect the tape drive SCSI bus cable (H600-344) to the tape drive.
4. Connect the tape drive SCSI bus cable to the alarm board.
5. Connect the power cable (H600-343) front drive connector to the tape
drive.
6. Position the tape drive on the alarm board, and slide the two retaining pins
into the drive mounting bracket. Lock the pins into the slots along the
edge of the alarm board.
7. Connect the disk drive SCSI bus cable (H600-344) to the disk drive.
8. Connect the disk drive SCSI bus cable to the alarm board.
9. Connect the power cable rear drive connector to the disk drive.
10. Position the disk drive on the alarm board, and slide the two retaining pins
into the drive mounting bracket. Lock the pins into the slots along the
edge of the alarm board.
11. Connect the power cable to the alarm board.
12. Install a tie wrap to hold the power cable and the tape drive SCSI bus
cable against the alarm board.
13. Install a tie wrap to hold the disk drive SCSI bus cable against the alarm
board.
NOTE:
The play between the MFB and the alarm board enables the system
to be easily positioned in the switch carrier.
14. Insert the DEFINITY AUDIX system into the switch carrier.
15. Squeeze the two boards together and snap the two gang latches on the
front of the two boards together.
The DEFINITY AUDIX system will reboot and run self-diagnostics
Proceed to step 7 in the section, Software Upgrade , to complete the upgrade.
Refer to Appendix A, and DEFINITY AUDIX System — Maintenance
(585-300-110) for these procedures.
Issue 2 December 1996
7-13
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