Name Description Part number
PWRC06 Expansion unit interface to System
unit backplane (MB1) and Debug Port
04N5595
PWRC07 Power supply (P02) to Expansion unit
interface and AMD (B03)
04N5720
PWRC08 Power supply (P02) to Device boards
(DB2 and DB3)
04N5594
PWRC09 Expansion unit interface to Device
boards (DB2 and DB3) and to Power
supply (P02)
04N5735
Table 4. Models 270, 800, or 810 (with a system unit expansion) - Signal cables
Name Description Part number
SIGC01 Power supply (P01) to System unit
backplane (MB1) and to Device board
1 (DB1)
23L2907
SIGC02 System unit backplane (MB1) to
Device board 1 (DB1)
04N2273
SIGC03 Device board 1 (DB1) to Optical
(D07) and Tape (D08).
04N4266
SIGC04 System unit backplane (MB1) to
Control panel (NB1)
24L1886
SIGC05 System unit backplane (MB1) to rear
bracket
24L1882
SIGC06 System unit backplane (MB1) to rear
HSL connection
23L2889
SIGC07 System unit backplane (MB1) to rear
bracket
04N4271
SIGC08 System unit backplane (MB1) to
Control panel (NB1)
24L1752
SIGC09 System unit backplane (MB1) to
Device board 3 (DB3)
04N2273
SIGC10 System unit backplane (MB1) to
Device board 2 (DB2)
04N2273
Model 820: Use the diagrams and tables below for information on the power and signal cables for the
Model 820. There are three diagrams with corresponding tables:
v Model 820 - Single line cord (non-dual line cord enabled) (See page 483)
v Model 820 - Single line cord (dual line cord enabled) (See page 485)
v Model 820 - Dual line cord (See page 487)
Figure 3. Model 820 - Single Line Cord Power and signal cables (non-dual line cord enabled)
Analyze hardware problems 483