Hitachi S10mini OD.RING Hardware Manual page 14

Figure 1-1 CPU Mount Base ............................................................................................... 1-2
Figure 1-2 Optional Module Insertion Slots........................................................................ 1-2
Figure 1-3 Optional Module Mounting Method.................................................................. 1-3
Figure 1-4 Grounding .......................................................................................................... 1-4
Figure 3-1 Front of OD.RING Module................................................................................ 3-2
Figure 3-2 Optical Fiber Cable Connection ........................................................................ 3-3
Figure 3-3 Handling Optical Fiber Cables........................................................................... 3-4
Figure 4-1 Example of System Configuration..................................................................... 4-2
Figure 4-2 Memory Transfer ............................................................................................... 4-2
Figure 4-3 Transfer Cycle.................................................................................................... 4-3
Figure 4-4 Areas Set by Each Module................................................................................. 4-5
Figure 4-5 Data Flow in Normal Operation of Primary Ring and Secondary Ring ............ 4-6
Figure 4-6 When One Ring is Disconnected at One Place.................................................. 4-7
Figure 4-7 When One Ring is Disconnected at Several Places ........................................... 4-7
Figure 4-8 When Both Primary Ring and Secondary Ring are Disconnected at
Same Place......................................................................................................... 4-8
Figure 4-9 When Primary Ring or Secondary Ring is Disconnected at Several Places ...... 4-8
Figure 4-10 When Adjacent Multiple Modules Stop (Power Failure) .................................. 4-9
Figure 4-11 When Nonadjacent Multiple Modules Stop (Power Failure) ............................ 4-9
Figure 4-12 When the Primary Ring and Secondary Ring are Disconnected at
Different Places................................................................................................ 4-10
Figure 4-13 Structure of RAS Table.................................................................................... 4-11
Figure 5-1 Startup Procedure............................................................................................... 5-2
Figure 5-2 Front View of CPU ............................................................................................ 5-4
Figure 5-3 Organization of OD.RING Support System Functions...................................... 5-5
Figure 5-4 Front View of the CPU (RUN State) ................................................................. 5-7
Figure 6-1 Connecting Optical Fiber Cables (T/M2) .......................................................... 6-5
Figure 6-2 A Sample System Configuration ....................................................................... 6-9
Figure 6-3 Example of Optical Receiving Level Measurement ........................................ 6-14
Figure 6-4 Locating a Faulty Portion................................................................................. 6-15
Figure 6-5 Example of Optical Transmitting Level Measurement.................................... 6-17
Figure 7-1 Error Freeze Information Format....................................................................... 7-7
Figure 7-2 Stack Frame Format........................................................................................... 7-9
Figure 7-3 Trace Buffer Structure ..................................................................................... 7-10
Figure 7-4 Structure of Trace Control Table ..................................................................... 7-11
FIGURES
iv