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4.10: Replacing the High-Speed Switch Control
(HS1A) Unit
Issue 9, May 1999
FNC and FNC Customer Use Only
Vol. ll, Page 480.4-44
Maintenance and Trouble Clearing
FJTU-320-515-480
HS1A-AD1
FC9612SAM1
d6340.2
FAIL
LINE
AUTO
FORCE
MNL
HG1 MODE
HG2 MODE
AUTO
FORCE
MNL
Setting
TBOS
F1 SET
RESTR
MASTER/SLAVE
Open
1
All 1s
No data
link
restoration
Slave
Closed
2
All 0s
Restore
data link
Master
a
a
All nodes in a given ring should be set to the same direction.
F1 SET
RESTR
MASTER
SLAVE
12
3
4
OPEN
2
1 TBOS
SW1
F1 SET
RESTR
MASTER
SLAVE
12
3
4
OPEN
2
1 TBOS
SW1
ON
OFF
ON
OFF
Figure 4-26: HS1A-AD1/-AD2 Unit Front Panel and Hardware Option Locations
Summary of Contents for FLM 150 ADM
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