Nortel HomeOffice II User Manual page 56

Hardware installation
SW1 settings for two daisy-chained HLCs
The following table lists the DIP switch settings for two HLCs in a daisy chain.
Position Determines
1 Address
2 Address
3 Address
4 Address
5 Address
6 Address
7 MMI end
8 SDI end
More than two HLCs
In an HLC daisy chain with more than two HLCs, the first card in the daisy
chain, HLC 0, provides the MMI connection. That is, HLC 0 is located at the
MMI end. Plug 2 of its HLC Multi-I/O cable (see the illustration on page 45)
connects either directly to the MMI or to the MMI Extension cable. (See "MMI
extension cable" on page 47.) SW1, position 7 of HLC 0, must be set to OFF.
SW1, position 8 of HLC 0, must be set to ON.
In an HLC daisy chain with more than two HLCs, the last card in the daisy chain
(HLC 2 in the illustration on page 29) is located at the SDI end. That is, it
provides the SDI connection. Plug 3 of its HLC Multi-I/O cable (see the
illustration on page 45) connects either directly to the SDI, or to the SDI
Extension cable. (See "SDI extension cable" on page 48.) SW1, position 7, of
this HLC must be set to ON. SW1, position 8, of this HLC must be set to OFF.
38
HLC 0 HLC 1
OFF ON
OFF OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
OFF ON
ON OFF
Standard 01.02
Default
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
Meridian HomeOffice II