Installing The 128-Port Async Adapter; 128-Port Async Adapter Line Connectors - IBM eserver pSeries 690 Installation Manual

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Installing the 128-Port ASYNC Adapter

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The 128-Port ASYNC adapter is an option for the HMC. It must be configured by the
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customer engineer when the HMC is installed. The 128-Port ASYNC adapter software is
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installed in the HMC base software installation package.
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This adapter provides the control function and connectors to attach eight 16-port remote
| async nodes (RANs). When all eight nodes are attached, this combination provides
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128, EIA-232 or RS-422 communication ports.

128-Port ASYNC Adapter Line Connectors

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The 128-Port ASYNC adapter has two 15 pin D-shell connectors on it. The connector
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that is closest to the edge connector that plugs into the HMC PC is line 1. The remote
| access nodes (RANs) are cabled in a daisy chain and are terminated using a line
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terminator. The following figure shows the adapter and the line connectors.
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2
1
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The following figure shows an example of a typical RAN configuration. RANs are
| connected to both line 1 and line 2 of the adapter in this example.
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Adapter Line 2
Adapter Line 1
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1
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2
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3-C
Node
1
1
2
Node
1
RAN Nodes
RAN Nodes
Appendix E. Installing Multiple pSeries 690s To One Hardware Management Console
Node
4
2
Node Node
3
2 3
3 RAN Node
4 Terminators
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