Abbreviations - IBM Power 775 Service Procedure

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Abbreviations

Abbreviation Definition
CEC Central Electronic Complex
DCCA Distributed Conversion and
Control Assembly
DE Disk Enclosure
D-Link Distant Link
FRU Field Replaceable Unit
L-Link Local Link
MPO Multi-Fiber Push-on/Pull-off
MTP
PVC PolyVinyl Chloride
SN SuperNode
SSR Systems Services
Representative
VCSEL Vertical Cavity Surface
Emitting Laser
Power 775 D-Link Service Procedure
PN: 41U8487, EC N44172
Details
Also referred to as the node or node drawer.
The power supplies for the CEC and DE are called the CEC DCCA
and DE DCCA respectively.
Optical Cables that connect SuperNodes to other SuperNodes.
L-Links are optical (fiber) or electrical (copper) links connect all Hub
modules to all other Hub modules within the same supernode.
L-Links are distinguished as being either "LL-Links", which are
electrical links that interconnect all Hubs within a CEC, or "LR-
Links", which are optical links, enclosed within an OBE, that
interconnect each Hub with all 24 Hubs in the other 3 drawers of the
SuperNode.
Type of multi-fiber optical connector
Branded version of the MPO optical fiber connector
Jacketing material for D-Link Cables
Array of 32 Octants or Nodes, in 4 CEC Drawers, that are
interconnected in an all-to-all full mesh topology using LL-Links or
LR-Links.
IBM Service personnel
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