IBM iSeries 270 Service Manual page 499

Name
PWRC05
PWRC06
PWRC07
PWRC09
Table 8. Model 820 - Signal cables - single line cord (dual line cord enabled)
Name
SIGC01
SIGC02
SIGC03
SIGC04
SIGC05
SIGC06
SIGC07
SIGC08
SIGC09
SIGC10
Figure 5. Model 820 - Power and signal cables - dual line cord
Description
Power distribution board (PB1) to
Device board 1 (DB1)
Power distribution board (PB1) to
Optical (D13) and Tape (D14)
Line cord connector to Power cable
Power cable to Power distribution
board (PB1)
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
21P6346
21P6322
Part number
23L2889
04N2273
04N2273
04N2921
04N4266
24L1761
NA
24L1761
24L1752
24L1886
Analyze hardware problems
487