DS8000 Service Documentation Version 6.3.3

Rack power and cooling location codes (Models 941, 94E)

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 941, 94E.
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
DASD fan tray assembly Figure 9
Fan sense card Figure 10
Local remote switch card Figure 11

Primary power supply (PPS)
   Front
      208VDC base module
      Fans
      PFC module
   Rear
      5/12V DDM power module
      AC input power module
      Booster power module
      Sequencer module


Figure 3



Figure 4
Rack identity card Figure 13
RPC card Figure 14
System z® local remote switch card Figure 12

Overview of locations (base rack)

Figure 1. Primary power supply rack locations (overview)
Primary power supply rack locations (overview)
Table 2. Location codes for a base rack
Location code Part name
E08 DC power bus bar A
(longer, connects to PPS1)
E09 DC power bus bar B
(shorter, connects to PPS2)
E10 thru E12 Battery module enclosure
E1 (PPS1 / cpPPS10) Primary power supply (upper)
E2 (PPS2 / cpPPS11) Primary power supply (lower)
Callout label 1 U789D.001.sssssss CEC enclosure
Callout label 2 U1400.rBn.sssssss I/O enclosure
U2nnn.D01.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
E08 DC power bus bar A
(longer, connects to PPS1)
E09 DC power bus bar B
(shorter, connects to PPS2)
E10 thru E12 Battery module
E1 (PPS1 / cpPPSx0 where x = rack #) Primary power supply (upper)
E2 (PPS2 / cpPPSx1 where x = rack #) Primary power supply (lower)
Callout label 1 U1400.rBn.sssssss I/O enclosure
U2nnn.D01.sssssss Storage enclosure

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 5/12V DDM power module  
U2nnn.mmm.sssssss-Ex-E2 Booster power module (optional)  
U2nnn.mmm.sssssss-Ex-E3 5/12V DDM power module (optional)2  
3 AC input power module4  
U2nnn.mmm.sssssss-Ex-S1 Sequencer module5  
Notes:
  1. Where x is 1 = top PPS; where x is 2 = bottom PPS.
  2. Expansion rack with room for 16 storage enclosures.
  3. A code is not associated with the location of this part. The part is shown only for reference.
  4. For details, see Figure 5.
  5. 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
U2nnn.mmm.sssssss-Ex-T11   Fan sense card
U2nnn.mmm.sssssss-Ex-T12   Fan sense card

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
(to bus bar A)
U2nnn.mmm.sssssss-E1x-T2   208VDC bus bar
(to bus bar B)
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  

DASD fan tray assembly

Figure 9. Location codes for the DASD fan tray assemblies
Location codes for the DASD fan tray assemblies
Table 8. Location codes for the DASD fan tray assemblies
Location code Part name Connector
U2nnn.mmm.sssssss-A1 DASD fan tray assembly  
U2nnn.mmm.sssssss-A1-T4   5/12V power
U2nnn.mmm.sssssss-A1-T5   5/12V power
U2nnn.mmm.sssssss-A1-T6   Control interface
U2nnn.mmm.sssssss-A2 DASD fan tray assembly  
U2nnn.mmm.sssssss-A2-T4   5/12V power
U2nnn.mmm.sssssss-A2-T5   5/12V power
U2nnn.mmm.sssssss-A2-T6   Control interface
U2nnn.mmm.sssssss-A3 DASD fan tray assembly  
U2nnn.mmm.sssssss-A3-T4   5/12V power
U2nnn.mmm.sssssss-A3-T5   5/12V power
U2nnn.mmm.sssssss-A3-T6   Control interface

Fan sense card locations

Figure 10. Location codes for the fan sense card
Fan sense card
Table 9. Fan sense card locations
Location code Part name Connector

U2nnn.mmm.sssssss-Cx
   (x = 3, front of rack)
   (x = 4, rear of rack)

Fan sense card

  
U2nnn.mmm.sssssss-Cx-T1   Storage enclosure
U2nnn.mmm.sssssss-Cx-T2   Storage enclosure
U2nnn.mmm.sssssss-Cx-T3   Storage enclosure
U2nnn.mmm.sssssss-Cx-T4   Storage enclosure
U2nnn.mmm.sssssss-Cx-T5   Storage enclosure
U2nnn.mmm.sssssss-Cx-T6   Storage enclosure
U2nnn.mmm.sssssss-Cx-T7   Storage enclosure
U2nnn.mmm.sssssss-Cx-T8   Storage enclosure
U2nnn.mmm.sssssss-Cx-T9   DASD fan tray
U2nnn.mmm.sssssss-Cx-T10   DASD fan tray
U2nnn.mmm.sssssss-Cx-T11   PPS
U2nnn.mmm.sssssss-Cx-T12   PPS
U2nnn.mmm.sssssss-Cx-T13   Fan sense card to fan sense card
U2nnn.mmm.sssssss-Cx-T14   Rack identity card

Local remote switch card locations

Figure 11. Location codes for the local remote switch card
Local remote switch card
Table 10. 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 12. Location codes for the zSeries local remote switch card
zSeries switch card
Table 11. System z local remote switch card locations
Location code Part name Connector
U2nnn.mmm.sssssss-C6 System z local remote switch card  

Rack identity card locations

Figure 13. Location codes for the rack identity card
Rack identity
Table 12. Rack identity card locations
Location code Part name Connector
U2nnn.mmm.sssssss-C5 Rack identity card (right from rear view)  
U2nnn.mmm.sssssss-C5-T1   Fan sense card, front
U2nnn.mmm.sssssss-C5-T2   Fan sense card, rear

RPC card locations

Figure 14. Location codes for the RPC cards
RPC card
Table 13. 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