IBM iSeries 270 Service Manual page 497

Name
PWRC05
PWRC06
PWRC07
Table 6. Model 820 - Signal cables - single line cord (non-dual line cord enabled)
Name
SIGC01
SIGC02
SIGC03
SIGC04
SIGC05
SIGC06
SIGC07
SIGC08
SIGC09
SIGC10
Figure 4. Model 820 - Single line cord power and signal cables (dual line cord enabled)
Description
Power distribution board (PB1) to
Device board 1 (DB1)
Power distribution board (PB1) to
Optical (D13) and Tape (D14)
Power distribution board (PB1) to
Line cord connector
Description
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)
JTAG
Code load connector to Optical (D13),
Tape (D14), and Device board 1
(DB1)
Power distribution board (PB1) to
Device board 2 (DB2)
Not used
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)
Part number
04N2920
04N4267 or 24L1762
04N5192 or 23L8082
Part number
23L2889
04N2273
04N2273
04N2921
04N4266
24L1761
NA
24L1761
24L1752
24L1886
Analyze hardware problems
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