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Hardware installation
Installing multiple-HLCs
If your company has 17 or more telecommuters, your Meridian HomeOffice II
system requires more than one HLC. Multiple HLCs can be daisy chained so
that they can share one maintenance connection. Daisy chains with two HLCs
require slightly different cabling from daisy chains with more than two HLCs.
These differences are discussed in the following subsections.
Two HLCs
If there are two HLCs present in your switch, configure them in a daisy chain to
allow both cards to share the same maintenance (MMI and SDI) connections.
The card nearest the man-machine interface (MMI) terminal provides
connectivity to the MMI, which allows for maintenance of the HLC. This card is
the MMI end of the daisy chain.
The other card, the card nearest the switch's serial data interface (SDI) port
provides connectivity to the SDI, which allows for limited maintenance of the
switch. This card is the SDI end of the daisy chain.
Each of these cards also requires a specific DIP switch setting. For more details,
see "Setting the DIP switches for multiple HLCs" on page 37.
28
Standard 01.02
Meridian HomeOffice II
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