Table 27. Bulk power assembly (BPA) locations and failing components
Failing item name Identify LED Physical location code
System unit bulk power assembly (BPA) Un
Bulk power distribution (BPD)
Bulk power regulator (BPR) A, front of frame No Un-P1
Bulk power regulator (BPR) 4A, top No Un-P1–E1
Bulk power regulator (BPR) 3A No Un-P1–E2
Bulk power regulator (BPR) 2A No Un-P1–E3
Bulk power regulator (BPR) 1A No Un-P1–E4
Bulk power controller (BPC) A No Un-P1–C1
Bulk power distribution (BPD) 1A No Un-P1–C2
Bulk power distribution (BPD) 2A No Un-P1–C3
Bulk power hub (BPH) A No Un-P1–C4
Bulk power fan (BPF) A No Un-A1
Bulk power assembly (BPA) B. Rear of frame,
B-side power boundary
Un-P2
Bulk power regulator (BPR) 4B, top No Un-P2–E1
Bulk power regulator (BPR) 3B No Un-P2–E2
Bulk power regulator (BPR) 2B No Un-P2–E3
Bulk power regulator (BPR) 1B No Un-P2–E4
Bulk power controller (BPC) B No Un-P2–C1
Bulk power distribution (BPD) 1B No Un-P2–C2
Bulk power distribution (BPD) 2B No Un-P2–C3
Bulk power hub (BPH) B No Un-P2–C4
Bulk power fan (BPF) B No Un-A2
UEPO panel Un-D1
Bulk power assembly (BPA)
BPR 4 Un-Px-E1
Connector J01 Un-Px-E1–J01
BPR 3 Un-Px-E2
Connector J01 Un-Px-E2–J01
BPR 2 Un-Px-E3
Connector J01, IBF Un-Px-E3–J01
BPR 1 Un-Px-E4
Connector J01, IBF Un-Px-E4–J01
Bulk power controller (BPC) Un-Px-C1
Connector J01, BPC cross communication No Un-Px-C1–J01
Connector J02, Ethernet to BPH No Un-Px-C1–J02
Connector J03, Ethernet to BPH No Un-Px-C1–J03
Connector J04, UEPO panel No Un-Px-C1–J04
Connector J06, BPF No Un-Px-C1–J06
Connector J07, BPC cross power No Un-Px-C1–J07
90 Finding parts, locations, and addresses
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