Rack power and cooling location codes (Models 951, 95E)

Use Table 1 to find the part of the rack power and cooling system for which you seek location code information. For part numbers, see Rack power and cooling part numbers, Models 951, 95E.
Table 1. Rack power and cooling location codes
Part See
Locations overview
   Base rack
   Expansion rack
Figure 1
Figure 2
Battery module set Figure 7
Local remote switch card Figure 9
Power distribution unit Figure 13
Primary power supply (PPS)
   Front
      208VDC base module
      Fans
      PFC module
   Rear
      208V power module
      AC input power module
      Booster power module
      Sequencer module

Figure 3



Figure 4
Rack identity card Figure 11
RPC card Figure 12
System z® local remote switch card Figure 10

Overview of locations (base rack)

Figure 1. Primary power supply rack locations
Primary power supply rack locations (f2c01361)
Table 2. Location codes for a base rack
Location code Part name
U2nnn.mmm.sssssss-Exx
(xx = 10 thru 12)		 Battery module enclosure
U2nnn.mmm.sssssss-E1
(PPS1 / cpPPS10)		 Primary power supply (upper)
U2nnn.mmm.sssssss-E2
(PPS2 / cpPPS11)		 Primary power supply (lower)
U2nnn.mmm.sssssss-Exx
(xx = 21 thru E26)		 Power distribution units
Callout label 1 U789D.001.sssssss CEC enclosure
Callout label 2 U1400.rBn.sssssss I/O enclosure
U2nnn.D02.sssssss Storage enclosure

Overview of locations (expansion rack)

Figure 2. Expansion rack locations
Expansion rack locations
Table 3. Location codes for an expansion rack
Location code Part name
U2nnn.mmm.sssssss-Exx
(xx = 10 thru 12)		 Battery module
U2nnn.mmm.sssssss-E1
(PPS1 / cpPPSx 0 where x = rack #)		 Primary power supply (upper)
U2nnn.mmm.sssssss-E2
(PPS2 / cpPPSx 1 where x = rack #)		 Primary power supply (lower)
U2nnn.mmm.sssssss-Exx
(xx = 21 thru 26)		 Power distribution units

PPS locations (front)

Figure 3. Location codes for the PPS (front)
Location codes for the PPS (front)
Table 4. PPS locations (front)
Location code Part name Connector
U2nnn.mmm.sssssss-Ex1 Primary power supply (PPS)  
U2nnn.mmm.sssssss-Ex-A1 PPS fan (top) Power/signal
U2nnn.mmm.sssssss-Ex-A2 PPS fan (middle) Power/signal
U2nnn.mmm.sssssss-Ex-A3 PPS fan (bottom) Power/signal
2 208VDC base module  
2 PFC module  
Notes:
  1. Where x is 1 = top PPS; where x is 2 = bottom PPS.
  2. A code is not associated with the location of this part. The part is shown only for reference.

PPS locations (rear)

Figure 4. Location codes for the PPS (rear)
Location codes for the PPS (rear)
Table 5. PPS locations (rear)
Location code Part name Connector
U2nnn.mmm.sssssss-Ex1 Primary power supply (PPS)  
U2nnn.mmm.sssssss-Ex-E1 208V power module  
U2nnn.mmm.sssssss-Ex-E2 Booster power module (optional)  
U2nnn.mmm.sssssss-Ex-E3 208V power module  
2 AC input power module3  
U2nnn.mmm.sssssss-Ex-S1 Sequencer module4  
Notes:
  1. Where x is 1 = top PPS; where x is 2 = bottom PPS.
  2. A code is not associated with the location of this part. The part is shown only for reference.
  3. For details, see Figure 5.
  4. For details, see Figure 6.

AC input power module locations

A code is not associated with the location of the parts on the AC input power module. These parts are shown only for reference.

Figure 5. Location codes for the AC input power module
Power supply AC input

Sequencer module locations

Figure 6. Location codes for the PPS sequencer module
Location codes for the PPS sequencer module
Table 6. Sequencer module locations
Location code Part name Connector
U2nnn.mmm.sssssss-Ex Sequencer module  
U2nnn.mmm.sssssss-Ex-T1   RPC 1 communication
U2nnn.mmm.sssssss-Ex-T2   RPC 2 communication
U2nnn.mmm.sssssss-Ex-T3   PPS to PPS communication
U2nnn.mmm.sssssss-Ex-T4   UEPO loop
U2nnn.mmm.sssssss-Ex-T5   Rack identity card
U2nnn.mmm.sssssss-Ex-T6   Battery backup unit interface
U2nnn.mmm.sssssss-Ex-T7   Battery backup unit charge
J8-1 (not a location code)   208 VDC to bus bars for CEC and I/O enclosures
J8-2 (Not a location code. Connector may not be present on some hardware levels.)   208 VDC to bus bars for CEC and I/O enclosures
U2nnn.mmm.sssssss-Ex-T9   208 VDC to management console and Ethernet switches
U2nnn.mmm.sssssss-Ex-T10   208 VDC to management console and Ethernet switches

Battery module enclosure locations

Figure 7. Battery module enclosure locations (rear)
Battery module enclosure locations (rear)
Figure 8. Battery module set locations (front)
Battery module set locations (front)
Table 7. Battery module enclosure locations (rear)
Location code Part name Connector
U2nnn.mmm.sssssss-E1x-E1
   x = 0 (top position)
   x = 1 (middle position)
   x = 2 (bottom position)
Battery module enclosure
  
U2nnn.mmm.sssssss-E1x-E2 Battery module set (3 battery modules in a battery module enclosure)  
U2nnn.mmm.sssssss-E1x-T1   208VDC bus bar
U2nnn.mmm.sssssss-E1x-T2   208VDC bus bar
U2nnn.mmm.sssssss-E1x-T3   PPS charging
U2nnn.mmm.sssssss-E1x-T4   PPS charging
U2nnn.mmm.sssssss-E1x-T5   PPS control interface
U2nnn.mmm.sssssss-E1x-T6   PPS control interface
U2nnn.mmm.sssssss-E1x-A1 Battery module enclosure fan  

Local remote switch card locations

Figure 9. Location codes for the local remote switch card
Local remote switch card
Table 8. Local remote switch card locations
Location code Part name Connector
U2nnn.mmm.sssssss-C6 Local remote switch card  

System z local remote switch card locations

Figure 10. Location codes for the zSeries local remote switch card
zSeries switch card
Table 9. System z local remote switch card locations
Location code Part name Connector
U2nnn.mmm.sssssss-C6 System z local remote switch card  
U2nnn.mmm.sssssss-C6-T1   Customer power control cable
U2nnn.mmm.sssssss-C6-T2   Customer power control cable
U2nnn.mmm.sssssss-C6-T3   Customer power control cable
U2nnn.mmm.sssssss-C6-T4   Customer power control cable
U2nnn.mmm.sssssss-C6-T5   RPC-1 card
U2nnn.mmm.sssssss-C6-T6   RPC-2 card

Rack identity card locations

Figure 11. Location codes for the rack identity card
Location codes for the rack identity card
Table 10. Rack identity card locations
Location code Part name Connector
U2nnn.mmm.sssssss-C5 Rack identity card  
U2nnn.mmm.sssssss-C5-T1   To RPC-1 card C1 (Rack 1)
To PPS E1 (expansion rack)
U2nnn.mmm.sssssss-C5-T2   To RPC-2 card C2 (Rack 1)
To PPS E2 (expansion rack)

RPC card locations

Figure 12. Location codes for the RPC cards (Models 941, 951)
RPC card
Table 11. RPC card locations
Location code Part name Connector
U2nnn.mmm.sssssss-C1 RPC card (right from rear view)  
U2nnn.mmm.sssssss-C2 RPC card (left from rear view)  
U2nnn.mmm.sssssss-Cx-T1   Rack identity card
U2nnn.mmm.sssssss-Cx-T201   PPS rack 1
U2nnn.mmm.sssssss-Cx-T202   reserved
U2nnn.mmm.sssssss-Cx-T203   PPS rack 2
U2nnn.mmm.sssssss-Cx-T204   Local remote switch card
U2nnn.mmm.sssssss-Cx-T205   PPS rack 3
U2nnn.mmm.sssssss-Cx-T206   reserved
U2nnn.mmm.sssssss-Cx-T207   PPS rack 4
U2nnn.mmm.sssssss-Cx-T208   RPC card to RPC card
U2nnn.mmm.sssssss-Cx-T209   PPS rack 5
U2nnn.mmm.sssssss-Cx-T210   CEC enclosure 1
U2nnn.mmm.sssssss-Cx-T211   reserved
U2nnn.mmm.sssssss-Cx-T212   reserved
U2nnn.mmm.sssssss-Cx-T213   reserved
U2nnn.mmm.sssssss-Cx-T214   CEC enclosure 2
U2nnn.mmm.sssssss-Cx-T215   reserved
U2nnn.mmm.sssssss-Cx-T216   not used

Power distribution units

Figure 13. Locations for power distribution unit (PDU) connectors
Locations for power distribution unit (PDU) connectors
Table 12. Power distribution card locations
Location code Part name Connector
U2nnn.mmm.sssssss-E2x
(x = 1 thru 6)		 Power distribution unit  
U2nnn.mmm.sssssss-E2x-Ty
(y = 1 thru 8) 		  208VDC output to CEC enclosure, I/O enclosure, or storage enclosures
U2nnn.mmm.sssssss-E2x-Ty
(y = 9, 10) 		  208VDC input to PDU