CTI Products TSAM Transmitter Steering & Audio Matrix - Manual

TSAM
™
Transmitter Steering Unit
Introduction
The TSAM Transmitter Steering Unit extends
radio system talk-out range using steered
transmitters.
Transmitter steering systems
provide expanded coverage at a fraction of the
cost of a simulcast system.
The TSAM Transmitter Steering Unit is
compatible with:
 Motorola Digitac and Spectra-TAC
Comparators
 M/A-Com / Ericsson /G.E. Voters.
 DHE Voters
 JPS Voters
 All major consoles.
 The MCN Monitoring and Control
Network through TIB modules
Features
 Smart-Steer or First Receive steering
modes
 Programmable Steering Updates:
- Start of Receive Message
- End of Receive Message
- Dynamic Mode for repeater operation
updates on start of first transmission
and then at the end of all transmissions
 Steered Transmitter Indication
 Manual Select Function
 Home Site Reverting
 Keying encoder for standard Tone
Remote Control (TRC) or Positive Mode
Control (PMC) keying tone sequences
 User programmable modes, timing, and
home site
 Expandable to 64 sites
 Optional “Secondary” Operation
Flexible Operation
All timing, mode, and tone parameters are
user-programmable.
This lets you custom
tailor the operation to your system.
Smart-Steer ™ Selection Mode
Our proprietary Smart-Steer selection mode
eliminates problems found in other types of
transmitter steering systems.
Other transmitter steering systems select a
transmit site based on the last voted site.
They may mis-steer due to slow-squelching
receivers,
dual-level squelch systems, or
variations in the voter cards. A slow-
squelching receiver will be selected whether or
not it has the best signal.
Dual squelch
receivers lengthen the squelch tail on weak
signals. Conventional steering systems tend
to pick the weaker signals since they have
longer squelch tails.
The alternative in a
conventional steering system is to use a first
receiver voted mode.
The Smart-Steer selection mode eliminates
these problems by picking the site which was
voted for the longest total time over a
programmable period. The TSAM unit offers
the benefits of a last-voted steering mode
without
the problems caused by slow-
squelching and dual-level squelch receivers.
Repeater Operation
When a TSAM steering unit is used in a
repeater system, the End of Receive update
mode is used. This selects the transmitter site
at the end of a mobile transmission.
For
example, when mobile A stops transmitting,
the talk-back transmitter is selected.
When
mobile B answers, his transmission is
repeated over A's transmitter site. Likewise,
when mobile A responds, his message is
repeated on B's transmitter site.
Thus,
conversations can take place between
mobiles or portables that are widely
separated.
CTI Products, Inc.
1211 West Sharon Road
Cincinnati, Ohio 45240
USA
phone
+1.513.595.5900
fax
+1.513.595.5983
e-mail
[email protected]
www.ctiproducts.com