NonStop S-Series Planning and Configuration Guide (G06.29+)

Site Planning and Preparation
HP NonStop S-Series Planning and Configuration Guide523303-021
12-5
SWAN Concentrators
SWAN Concentrators
ServerNet wide area network (SWAN) concentrators can support modem connections.
When planning for data communications, be sure to consider data communications
lines that are to be connected to SWAN concentrators.
For more information about SWAN concentrators, refer to the SWAN Concentrator
Installation and Support Guide. For more information about SWAN 2 concentrators,
refer to the SWAN 2 Concentrator Installation and Support Guide
Planning for System Consoles
The processor multifunction (PMF) CRUs in group 01 of your server must be
connected to an Ethernet LAN connected to at least one system console. Two system
consoles, a primary system console and a backup system console, are recommended.
An Ethernet switch or hub is required; if you do not order an Ethernet switch or hub
with your system console, you must provide one when you install the system console.
Modems give system consoles a dial-in and dial-out capability for remote service of the
system. HP recommends that primary and backup system consoles be equipped with
modems, each connected to a dedicated phone line.
If the primary and backup system consoles will be connected to modems, the consoles
must be within 15 feet (4.6 meters) of a wall jack for a telephone line that can be used
for the modem. The RS-232-C cable shipped with the modem requires that the modem
be no more than 6 feet (1.8 meters) from the system console or a power outlet.
For detailed information about system consoles and their configuration, refer to the
OSM Migration Guide or TSM Configuration Guide. For information about installing the
system console, refer to the NonStop S-Series Hardware Installation and FastPath
Guide.
Note. Remote access and remote notification are not available in countries where the modem
provided by HP is not certified. In these countries, you cannot use the OSM or TSM client
software to dial out to or accept dial-in communications from a service provider.
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