7.
Carefully slide out the affected drive and uncable it. Slide the defective MHD forward a few inches to aid in
physically identifying the drive from the rear of the unit prior to cable removal.
NOTE:
Use Table 10.9-1 to identify the correct cable connection for the affected disk drive.
Table 10.9-1 Moving Head Disk Drive Cable Configuration
CABLE PLUG
MOVING HEAD DISK
NUMBER
DRIVE NUMBER
1
2, 3
2
4, 5
3
6, 7
4
8, 9
5
10, 11
6
12, 13
7
14, 15
8.
Remove ID plug from old MHD and insert it in new MHD according to Table 10.9-1 .
9.
At
DFC a
, momentarily toggle the
ACO/T
key to the
ACO/T
position then back to the left, then depress the
ON
switch to power up
DFC a
.
Response:
At the power control, the
OFF
LED goes off.
REPT POWER UP DFC a
Where:
a
= the number of the DFC controlling the affected disk drive.
NOTE:
The power-up of the DFC depends on the placement of the ROS switch and the health of the
"/prc/psm" process which will trigger MHD DGNs. In a large multi-MHD office, it is quicker to have
these tests fail than to wait for them to complete or "stop:rst" them. To reduce confusion, wait for
these failures before proceeding.
10.
At the MCC, type and enter:
RST:DFC=a:CONT;
Where:
a
= Controlling DFC.
Response:
RST DFC a COMPLETED
11.
At the disk drive maintenance panel, set the
Diagnostic Mode Switch
to the
down
position for normal
operation.
12.
Power up all drives controlled by
DFC a
by depressing the
ON
switch at the particular power switches.
Response:
At the power switch, the
ALM
and
OFF
LEDs go off.
REPT POWER UP MHD a
Where:
a
= moving head disk member number.
13.
Spin up all drives by depressing the
START
button at the particular moving head disk.
Response 1:
The
START
LED begins flashing for about 2 to 3 minutes. When the drive completes its spin
up, the
START
LED stops flashing and remains lighted.
Response 2:
Hex display on disk drive maintenance panel displays
00
235-105-210
October 1999
Copyright © 1999
Page 2
Summary of Contents for 5ESS-2000
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Page 799: ...Figure 11 36 3 1 Cleaning Points 235 105 210 October 1999 Copyright 1999 Page 7 ...
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Page 1008: ...Figure 11 55 1 CTSNS DIP Switch Settings 235 105 210 October 1999 Copyright 1999 Page 2 ...
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Page 1289: ...Figure 15 17 2 AMATPS Data Link 235 105 210 October 1999 Copyright 1999 Page 2 ...
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Page 1360: ...Figure 15 47 2 Typical SCANS III Link Diagram 235 105 210 October 1999 Copyright 1999 Page 2 ...
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