Setting a RAN Node Number
The
AIX Asynchronous Communications Guide
provides information about configuring and running
diagnostics on the 128-port async adapter and associated RANs. To access the
AIX Asynchronous
Communications Guide
, see the AIX online documentation.
Documentation for the AIX operating system is available from the IBM
Eserver
pSeries Information
Center at http://publib16.boulder.ibm.com/pseries/en_US/infocenter/base. Select
AIX documentation
. The
AIX Documentation
CD contains the base set of publications for the operating system, including
system-management and end-user documentation.
The adapter identifies RANs by their node numbers. Each RAN in a daisy chain must have a unique node
number (
1n-4n
), which must be set during installation. The node numbers must be assigned in ascending
order with the lowest number assigned to the RAN closest to the 128-port async adapter. The following
illustration shows the front panel of a RAN.
CCITT
103 104 105 106 107 109 108 125
CCITT
103 104 105 106 107 109 108 125
TD
RD RTS CTS DSR CD DTR RI OFC IFC
TD
RD RTS CTS DSR CD DTR RI OFC IFC
0%
100%
0%
100%
AC
To set the RAN node number, do the following:
1. Turn on the RAN and wait for the power-on self-test (POST) to complete.
2. When
P1
is displayed on the front panel seven-segment LED display, press the left arrow button once.
The current node number is displayed, for example,
1n
for node 1.
3. Press the right arrow button to advance the node number through the eight possible settings (
1n-8n
).
4. When the desired node number is displayed, press the left arrow button again to select the number.
The display now reads Pn (indicating a pass condition). If there was an error, the display reads
En
.
In the case of duplicate node numbers, the RAN farthest from the host adapter displays
En
, instead of
AC
, when the system is started.
Configuring the 128-Port Async Adapter
When a 128-port async adapter is installed in the HMC and the HMC is first used, the adapter must be
configured.
For instructions on how to install and configure the 8-port adapter in the system via the HMC, see the
IBM
Hardware Management Console for pSeries Installation and Operations Guide
.
To configure the 128-port async adapter in the HMC, do the following:
1. Obtain the root password from the customer.
2. To access the HMC microcode maintenance functions as the hscpe user, contact software support to
obtain the password.
3. In the HMC Navigation area, click
Problem Determination
.
4. In the Contents area, click
Microcode Maintenance
. The User Authentication window opens.
5. Enter the HMC system unit’s serial number and the password provided by software support. The
Microcode Maintenance Menu window opens.
6. Select
Launch xterm shell
to open a command prompt window.
7. Type
su -,
then log in as root user.
8. Type the following command to run the configuration utility:
/usr/sbin/digiConf
. The configuration
utility will guide you through a series of questions:
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