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AGE
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46020-38-0299 <90-00029>
I
NTERFACES
Master Port
The master port requires a subassembly to be mounted on the
MAP in order to provide the proper interface to other equip-
ment. When TBOS is used on the master port, the most com-
mon is a 49008 subassembly providing an RS-422 interface.
Other subassemblies are available for special applications.
When DCP or DCPF is used on the master port, the subassem-
bly is usually a 49009 or 49029 with an RS-232 interface.
Printer Port
The printer port has a built-in RS-232 interface. If you require a
different interface on the printer port, you can add a Dantel
46035 Converter Module with the appropriate subassembly
between the MAP and the other equipment.
Data Port
The data port of the MAP communicates through transistor-
transistor logic (TTL). This means communications cannot
extend beyond the shelf where the MAP is installed. To commu-
nicate beyond the shelf, you must connect the data port to a
46035 Converter Module, 46022 Multiple Alarm Combiner
(MAC) or other device (for example, a 46034 Hubbing Module)
for conversion to the appropriate data communications interface.
A 46022-12 MAC has eight communications channels or ports.
The MAP's data port supports multiple MACs.
In communicating with alarm and control points, the data port
can use DCM protocol (port one only) or TBOS protocol (ports
one through eight) on any of the MAC channels.
However, only one protocol can be used on any one channel. The
protocol(s) used on the data port do not have to be the same as
those used on the printer and master ports. For example, DCP
could be used on the master port, PRINTER syntax on the
printer port, and DCM and TBOS on the data port.
Transmission Distances
Fig. 4 shows the maximum cable lengths for data transmission
interfaces.
GENERAL DESCRIPTION
