Service manual
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specific common activity and they need to talk and/or listen to each
other all the time. Keypanels are almost never members of party lines
(although they can be). However, a keypanel key can be assigned to
occasionally talk or listen to a party line if desired.
Just remember: party lines are primarily set up for party line members,
with occasional access by keypanel operators, while special lists are
set up exclusively for keypanel operators to talk or listen to several
unrelated intercom ports.
For specific information about party line setup, search for "PL" or "party
line" in ADAMedit help.
Port
The ports are the individual channels that devices are connected to.
Devices include:
•
2-way communication devices, such as keypanels, belt packs etc.
•
Audio sources, such as broadcast feeds or background music
•
Miscellaneous audio output devices, such as powered loudspeakers,
PA systems etc.
Communication between Ports (Point-to-Point, or P-P)
The audio signal from any input port can be routed to any output port. For
example, during keypanel setup, you assign keypanel keys so that
keypanel operators can talk and listen to other intercom ports.
Communication of this type is called point-to-point communication. You
can also route signals between intercom ports without keypanels. One
way to do this is to force crosspoints in the Crosspoint Status screen of
ADAMedit. Another way to do it is with a GPI input.
Port ID Numbers and Alphas
Intercom ports have identification numbers 001, 002 etc. These numbers
cannot be changed, but may not be commonly known to intercom system
users. Each intercom port also has a default name, called an "alpha",
because this name appears in the alphanumeric displays on keypanels
when you assign the ports to keys for talking and listening. The default
alpha names are N001, N002 etc. These default alpha names can be
changed to ones that are meaningful to keypanel operators using Port
Alpha setup In ADAMedit. (Click the "Port Alpha" button in ADAMedit, then
press F1 on the computer keyboard if you need help.)
Intercom Data Groups and Port Number Calculation
For data routing purposes, port numbers are arranged in groups of 8
sequential intercom ports. In an ADAM or ADAM CS Intercom System,
each Audio I/O card comprises one data group. In a Zeus Intercom
System, each group of 8 port connectors comprises a data group. Within
each data group, each keypanel is uniquely identified by its address
setting. Whenever you display the Panel ID, the intercom system
determines which data group the keypanel is connected to, and also the
address setting. It then reports the calculated address. For example,
suppose a keypanel is connected to data group 3 and the keypanel
address is set to 5. Since each data group consists of 8 sequential
intercom ports, the calculated port number for this keypanel will be (2*8) +
5, or 21. This is the total of all intercom port numbers on the first 2 data
groups, plus the offset of 5 ports into the third data group.
Port Gains
RTS Keypanels are calibrated to send and receive audio at the standard
operating levels of the intercom system. No audio gain adjustment is
normally required when connecting these. However, many other types of
devices may not operate at the standard intercom system levels. To
assure signal level compatibility between the various types of audio
devices connected to the intercom system, there are separate analog
input and output gain adjustments for each intercom port.