Back To Back Cross Band Repeater (Rt/Rt); Standalone Repeater; Figure 19: Rt/Rt Use Case - Futurecom PDR8000 Manual

3.2 B
ACK TO
The Remote Repeater/Remote Repeater (RT/RT) configuration is a topology used to relay
signals from one base radio to the next. One typical application for this configuration is a
conversion between frequency bands. It is acceptable to have a mixture of PDR8000s, GTR
8000 Base Radio equipment and QUANTAR equipment interconnected in the RT/RT
configuration. This interconnection is supported for repeaters operating in digital/P25 mode via
the V.24 wireline interface only.
3.3 S
TANDALONE
At times users may not desire or have access to a system connection utilizing the wireline
interface. In these cases, PDR8000 can be configured to operate as a standalone repeater
providing full-duplex, Local Repeat capabilities on the configured channel. When operating on a
P25 digital channel PDR8000 typically repeats Voice and Supplementary Data services;
repeating of Packet Data services is also a configurable option. When operating on an Analog
channel, PDR8000 repeats voice services and Supplementary Service signaling (e.g. MDC
1
1200).
1
PDR8000 does not actively encode/decode MDC 1200, but does pass the signaling through its repeat
path. Care should be taken when using MDC 1200 to ensure that PDR8000 has sufficient time to
recognize the received RF signal, qualify its squelch (PL/DPL) and key up to repeat the signal. If MDC
1200 is received too quickly, its beginning may be truncated. Repeating of MDC 1200 works best if
PL/DPL is not used on the channel, or more commonly, if transmit MDC pre-time of subscriber units is set
sufficiently to allow time for PDR8000 to detect PL/DPL before MDC is started.
2021-11-15
B C B
ACK ROSS

Figure 19: RT/RT Use Case

R
EPEATER
PDR8000® Portable Digital Repeater Product Planner
R
AND EPEATER
Document 8K088X02 R5.0
(RT/RT)
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