Name Description Part number
PWRC05 Power distribution board (PB1) to
Device board 1 (DB1)
04N2920
PWRC06 Power distribution board (PB1) to
Optical (D13) and Tape (D14)
04N4267 or 24L1762
PWRC07 Power cable to Power distribution
board (PB1)
21P6346
PWRC08 Power cable to Power distribution
board (PB1)
21P5192
Table 10. Model 820 - Signal cables - dual line cord
Name Description Part number
SIGC01 System unit backplane (MB1) to rear
HSL connections
23L2889
SIGC02 System unit backplane (MB1) to
Device board 2 (DB2)
04N2273
SIGC03 System unit backplane (MB1) to
Device board 1 (DB1)
04N2273
SIGC04 JTAG 04N2921
SIGC05 Code load connector to Optical (D13),
Tape (D14), and Device board 1
(DB1)
04N4266
SIGC06 Power distribution board (PB1) to
Device board 2 (DB2)
24L1761
SIGC07 Not used NA
SIGC08 Power distribution board (PB1) to
Device board 1 (DB1)
24L1761
SIGC09 System unit backplane (MB1) to
Control panel (NB1)
24L1752
SIGC10 System unit backplane (MB1) to
Control panel (NB1)
24L1886
Model 825: Use the diagrams and tables below for information on the power and signal cables for the
Model 825.
Figure 6. Model 825 with FC 2757 - Power and signal cables
Analyze hardware problems 489