15 Installation Guidelines
ATT/DIRECTV
Installers should be familiar with all ATT/DIRECTV installation requirements for commercial
systems (MFH2) including the following:
➢ The optimum RF levels at the input of a SWiM module are -30 to -50 dBm per
transponder.
➢ The optimum RF input levels for the COM51 cards are -25 to -45 dBm per transponder.
➢ It is required that a AT&T / DIRECTV AIM RF meter be used to verify all satellite signal levels and
quality. All satellite transponders must pass the EIV test on the AIM meter.
Technicolor Requirements
➢ It is recommended that COM51 cards be connected to a DSWiM30 module for full 23 tuner
capability.
➢ DSWiM input to input 1 support 16 tuners
➢ SWiM 8 may be used on input one for 8 tuner configurations.
➢ The COM3000 system is designed to operate properly in ambient environments of 104 °F (40°C) or
less.
➢ Controlling and monitoring the COM3000 requires a device with an Ethernet connection and a
web browser. We have found Chrome to be the best web browser to interface with the COM3000.
16 AT&T / DIRECTV Activation
Like any other AT&T / DIRECTV receiver, all COM51s require authorization from AT&T /
DIRECTV before they will function properly.
➢ Each COM51 receiver in each COM400 chassis is to be authorized by the System Integrator.
Without this authorization, the cards will not be able to stream video programming from the AT&T
/ DIRECTV satellites. Channel 100 will stream as a test channel on unauthorized cards.
➢ Under normal circumstances, the COM51 cards in the COM3000 system should never lose their
authorization. However, like a normal AT&T / DIRECTV set-top box, if a card is left unconnected
from the AT&T / DIRECTV network for an extended period, it may lose its authorization.
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