Introduction & Features
13
dropouts, which are capable of taking the TSS-2470 Time Delay off the
air. It is the station operator’s job to plan for and overcome such
contingencies.
UPS units suitable for smoothing short-term power line problems come
in two varieties:
Change-over UPS Design
This design senses drop-outs and low line voltage, and switches its
output to an internal inverter operating from a battery. This UPS is
low in cost, and is most often used in non-critical applications such
as desk-top computers. A disadvantage is that it may create its own
power transients when switching between utility power and its inverter
supply. For this reason
360 Systems does not recommend this type for
use with broadcast servers.
Continuous Conversion UPS Design
The UPS design recommended by 360 Systems for use with the broadcast
servers is the continuous conversion design which continuously
converts utility power to DC, stores it in a battery, then produces
isolated AC power from an inverter. It never switches, and is immune
to input transients, brownouts, and blackouts. Models are available
with batteries of almost any size, making the continuous-conversion
UPS suitable for transient suppression or long-term operating power in
the absence of utility power.
Recommended UPS Models
There are several manufacturers of continuous conversion UPS systems
that are suitable for use with 360 Systems’ video products. APC and
Eaton/Powerware Corporation are two of the most common.
UPS’s are available in several different configurations to accommodate
various current load and power failure support times.
The minimum requirement for maximum current load for a single TSS-2470
Time Delay is 2 amps.
Operating Environment
A TSS-2470 Time Delay is a critical element in broadcast operations.
Its installation should safeguard it from every external event that
can interfere with it doing the task expected of it. 360 Systems’
engineers have experience with thousands of installations, and have
become aware of a number of environmental factors that can adversely
affect performance. Two of these have already been discussed: power
conditioning and inadequate cooling. Two others, less obvious, should
also be considered:
RF Interference by Cell Phones
Summary of Contents for TSS-1080p
Page 17: ...Introduction Features 17 ...
Page 22: ...22 TSS 2470 Time Delay Model TSS 2470 DualZone Variable Time Delay Graphical User Interface ...
Page 41: ...Mechanical Drawing 41 Mechanical Drawings Dimensional Drawing TSS 2470 and TSS 2470II models ...
Page 42: ...42 TSS 2470 Time Delay Dimensional Drawing TSS 1080p model ...
