Safe-Com Wireless SAFE1 Benutzerhandbuch
The SAFE-1000 have automatic Level control features which permits acceptance of a wide range of signal
levels.
levels.
The Head-End “Direct Connect” Unit is hardwired to a base station radio or other radio signal source.
A 50ohm RF cable is used to connect the signal source and the Head-End Downlink Card
A 50ohm RF cable is used to connect the signal source and the Head-End Downlink Card
Each plug-in card of the SAFE-1010 accepts a single carrier frequency.
Each Card is designated as to the specific range of frequencies it can accept:
-700 MHz band
-800 MHz band
-UHF band
-VHF band
-900MHz band
-700 MHz band
-800 MHz band
-UHF band
-VHF band
-900MHz band
Some cards can accept multiple ranges. Refer to product labels and factory test data to confirm.
Although a card can accept a wide range of frequencies, it is designed to operate with only one
modulated RF carrier per card. Inputting 2 or more carriers per card can lead to damage and the
performance will not meet specifications and cause interference with other operating bands. .
modulated RF carrier per card. Inputting 2 or more carriers per card can lead to damage and the
performance will not meet specifications and cause interference with other operating bands. .
The acceptable RF input power range per card = -6dBm to +10 dBm
Important : Only one frequency is to be inserted into each Card. Each card is a single channel module.
Figure 2 demonstrates a 4 channel system. Each radio channel is tapped at the individual radio TX output
from the base-station.
from the base-station.
Safe-Com Wireless LLC Public Safety Fiber Distributed Antenna System
Rev 1.0 page 7
Rev 1.0 page 7