Installation
Unpacking
The EMS4000 is supplied with the following items. Contact the shipper or your
Audiocom dealer immediately if anything is damaged or missing. Detach and fill out
the registration card and return it to Telex to properly register your intercom station.
Quantity
Description
1
EMS4000 Expansion Master Station and Power Supply
1
Warranty and registration card
1
User Instructions
1
EXP IN/OUT Cable, with 1/8-inch (3.5 mm) phone plugs
2
Rack Mount Cosmetic Covers
WARNING
The following instructions are for use by qualified personnel
only. To avoid electric shock, do not remove the cover un
less you are qualified to do so.
AVERTISSEMENT
Les instructions qui suivent s'adressent uniquement a un
technicien qualifie. Pour evite des chocs electriques, ne pas
ouvrir le boitier, a moins d'y entre habilite.
Configuration Pre-check
Before making connections, read the configuration notes that follow, and make sure
that all switches and jumpers are properly set for your intended usage. Locations of
configuration switches and jumpers are shown in Figure
2
. Only the DIP switches
and jumpers require internal access. If access is required, remove 3 screws from the
top cover and 3 screws along the bottom edge from each side.
DIP Switches
DIP switches and their default settings are listed in Table
1
, page
8
. The following
paragraphs provide additional details.
7