Hmc Connections To The Eserver Pseries 655 - IBM RS/60000 Series Site And Hardware Planning Information

HMC Connections to the Eserver pSeries 655

Asynchronous adapters in the HMC are used to connect the HMC to processor nodes in the Eserver
pSeries 655 and bulk power controllers (BPCs) in the racks. This section includes detailed information
about how to connect the HMC to processor nodes and BPCs. It also shows how these connections are
used in an Eserver pSeries 655 system.
Connecting an HMC to Eserver pSeries 655 Processor Nodes
One HMC can connect up to 16 Eserver pSeries 655 processor nodes in up to 4 Eserver pSeries
7040-W42 racks by using RS232 cable connections. These connections can be made from an HMC by
using the asynchronous ports on FC 2944 (128-Port Asynchronous Controller) or FC 2943 (8-Port
Asynchronous Controller). An integrated port (using RS232) on the HMC is also available to be used to
connect to a processor node.
The following table lists the features used to make the RS232 connections from FC 2944 (128-Port
Asynchronous Controller) to Eserver pSeries 655 processor nodes.
Feature
Code
2944
8131
16-Port Remote Asynchronous Node (RAN) with ac transformer
8137
8132
8133
8120
8121
Notes:
1. Each FC 8137 requires a 98xx power-cable-specify feature code.
2. FC 8132 is used as a connection between two RANs (FC 8137) when multiple RANs are used.
For more information about using FC 2944 to Eserver pSeries 655 processor nodes, see the illustration
"HMC to Host - RS232 Connection with FC 2944" on page 122.
Description
128-Port Asynchronous Controller
128-Port Asynchronous Cable, 4.5 M (14.8 ft.)
See note 1.
128-Port Asynchronous Cable, 23 cm (9 in.)
See note 2.
RJ-45 to DB-25 Converter Cable
Attachment Cable, HMC to Host, 6 M (19.7 ft.)
Attachment Cable, HMC to Host, 15 M (49.2 ft.)
Connects
From
HMC
FC 2944
FC 8131
FC 8137
FC 8137
FC 8133
FC 8133
Chapter 2. Physical Characteristics of Systems
Connects
To
FC 8131
FC 8137
FC 8132 and
FC 8133
FC 8137
FC 8120 or
FC 8121
p655 node
p655 node
121