IBM iSeries 270 Service Manual page 501

Sb2 and sb3 hardware

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Table 10. Model 820 - Signal cables - dual line cord

Model 825: Use the diagrams and tables below for information on the power and signal cables for the

Figure 6. Model 825 with FC 2757 - Power and signal cables

Power distribution board (PB1) to

Device board 1 (DB1)

Power distribution board (PB1) to

Optical (D13) and Tape (D14)

Power cable to Power distribution

Power cable to Power distribution

System unit backplane (MB1) to rear

HSL connections

System unit backplane (MB1) to

Device board 2 (DB2)

System unit backplane (MB1) to

Device board 1 (DB1)

Code load connector to Optical (D13),

Tape (D14), and Device board 1

Power distribution board (PB1) to

Device board 2 (DB2)

Power distribution board (PB1) to

Device board 1 (DB1)

System unit backplane (MB1) to

Control panel (NB1)

System unit backplane (MB1) to

Control panel (NB1)

04N4267 or 24L1762

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