EMS Wireless DataNex Data-20, User'S Reference Manual

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1-3 System Description
DataNex EMS Wireless,
DATA-20
Digital Radio
1.3.3
Hot Standby (Protected) Operation
The product in a hot standby configuration as depicted in Fig.1-2, using two DATA-20 radios and
a TP64 transfer panel.
TX RF
RELAY
DUPLEXER
DATA
SWITCH/
TRANSFER
LOGIC
TP64 TRANSFER
PANEL
Data-20 RADIO A
Data-20 RADIO B
DATA
TX
TX
RX RF
SPLITTER
RX
RX
ANTENNA
DATA
DATA
CNTL
CNTL
Figure 1-2. DATA-20 Hot Standby – Two Discrete Radios with Transfer Panel
1.4 Regulatory Notices
FCC Part 15 Notice
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed and used
in accordance with the instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause harmful
interference, in which case the user will be required to correct the interference at his expense.
Any external data or audio connection to this equipment must use shielded cables.