BER Structure
The BERs have a hierarchical structure, which allows going from the general
problem area to the specific failing element.
┌────────────────┐
│
BER
TYPE
├────┐
└────────────────┘
│
┌────────────────┐
┌────────────────┐
├───5│
ERROR STATUS
├─────5│
FRU
list
│
┌────────────────┐
│
└────────────────┘
└────────────────┘
│
BER
ID
├────┘
└────────────────┘
&
&
&
&
&
&
└──────────────────┘
└──────────────────┘
└──────────────────┘
ELD list screen
ELD detail screen
Encoded by MOSS
in reference code
Figure 11-4. Hierarchical Structure of a BER
%─┐
│MOSS│ │DIAG│ │PWR │ │ESS │ │3746│ │ CA │ │TSS │ │NCP │ │CCU │ │IOC │ │TRSS│
│ BER
│
│ │
│ │
│ │
│ │-9ðð│ │
│ │HPTSS │
│ │
│ │bus │ │
│
│
│ ð1 │ │ ð3 │ │ ð4 │ │ ð8 │ │ ð9 │ │ 1ð │ │ 11 │ │ 12 │ │ 13 │ │ 14 │ │ 15 │
│ TYPE
│
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│
│
│
│
│
│
│
│
│
│
│
│
│
%─┘
│
│
│
│
│
│
│
│
│
│
│
│
┌───────┬──────┬───┴──┬─────
│
│
│
│
%───┐
┌─┴──┐ ┌──┴─┐ ┌──┴─┐ ┌──┴─┐
│
│ 1B │ │ 95 │ │ 97 │ │ A2 │
│ BER IDs
│
│ │
│ │
│ │
│
│
│
│ │
│ │
│ │
│
│
└─┬──┘ └──┬─┘ └──┬─┘ └──┬─┘
%───┘
│
│
│
│
│
┌─────────┬─────────┼──────
│
│
│
%───┐
┌──┴──┐
┌──┴──┐
┌──┴──┐
│ ERROR STATUS
│LCS
│
│LCS
│
│LCS
│
│
│
│
│
│
│
│
│ Selected from the
│X'Cð'│
│X'C6'│
│X'CE'│
│ ELD detail screen
└─────┘
└─────┘
└──┬──┘
%───┘
│
│
%───┐
┌──┴──┐
│ FRU list
│ MUX │
│
│ FES │
│ (in priority order)
│ LIC │
│
└─────┘
%───┘
Figure 11-5. Example of a BER Tree Structure
Note: The error status is a predetermined field, characteristic of the error. BERs
have a different error status, according to their type and ID.
11-10
IBM 3745 Models 130, 150, 160, 170, and 17A: Hardware Maintenance Reference
Summary of Contents for 3745 Series
Page 2: ......
Page 12: ...x IBM 3745 Models 130 150 160 170 and 17A Hardware Maintenance Reference ...
Page 14: ...xii IBM 3745 Models 130 150 160 170 and 17A Hardware Maintenance Reference ...
Page 18: ...xvi IBM 3745 Models 130 150 160 170 and 17A Hardware Maintenance Reference ...
Page 21: ...3745 Models 130 150 160 and 170 Data Flow Chapter 1 General Information 1 3 ...
Page 149: ...For RACs 241 to 244 ERR bits Data received from the adapter Chapter 3 Buses 3 57 ...
Page 166: ...4 14 IBM 3745 Models 130 150 160 170 and 17A Hardware Maintenance Reference ...
Page 169: ...Chapter 4 Transmission Subsystem TSS 4 17 ...
Page 322: ...6 28 IBM 3745 Models 130 150 160 170 and 17A Hardware Maintenance Reference ...
Page 348: ...7 26 IBM 3745 Models 130 150 160 170 and 17A Hardware Maintenance Reference ...
Page 625: ...The ESS in 3745 Models 130 150 160 and 170 Data Flow Chapter 12 Ethernet Subsystem ESS 12 3 ...
Page 674: ...X 6 IBM 3745 Models 130 150 160 170 and 17A Hardware Maintenance Reference ...
Page 708: ......
Page 711: ......
Page 712: ...IBM Part Number 03F5010 Printed in Denmark by IBM Danmark A S ð3F5ð1ð SY33 2ð66 4 ...