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CHAPTER 2 ND-71762 (E)
Page 22
Issue 2
GENERAL INFORMATION FOR CCIS
5.5 Automatic Clock Route Changeover
5.5.1 Automatic Route Changeover on Fault to M-OSC/EXT. OSC of Input Clock Route
Priority order for automatic route changeover on fault occurrence to the M-OSC/EXT. OSC which are supplying
clocks is shown in Figure 2-16.
Figure 2-16 Route Automatic Changeover Priority Order (DCS connection)
5.5.2 Automatic Route Changeover on Fault to DTI of Input Clock Route
Priority order for automatic route changeover on fault occurrence to the DTI which is extracting clocks is shown in
Figure 2-17.
Figure 2-17 Route Automatic Changeover Priority Order (DTI connection)
M-OSC/EXT.OSC 0
M-OSC/EXT.OSC 1
PLO/OSC Self Running
High
Low
Priority order
Changeover
sequence
Route 0
Route 1
Route 2
Route 3
PLO/TSW Self Running
High
Low
Priority order
Changeover
sequence