RF Innovations CRESCENDO VHF HALF-DUPLEX, User Manual, Page: 26 / 74

Radio Operation
Crescendo VHF Half-Duplex User Manual Page 26 of 74
Repeater Subnet
Base Subnet
Store-and-forward
Repeater
Base
Remote 2
Remote 4 Remote 3
Remote 1
Figure 5: Crescendo tree network topology
When allocating radio addresses, a recommended convention is to reserve the first two decimal digits as the
subnet number, and the last three digits for individual radios residing within the subnet. For example,
consider the scenario shown in Figure 5, and the address allocation given in Table 10.
Subnet
Subnet
Address
Radio Radio Address
Base subnet 1
Base 1000
Remote 1 1001
Remote 2 1002
Repeater
subnet
27
Store-and-forward
Repeater
27000
Remote 3 27001
Remote 4 27002
Table 10: Addressing for a tree network topology
Following this convention can reduce the complexity of implementing routing tables.
A subnet should not be confused with co-located networks (see section 5.4.2). All units on the base and
repeater subnets should have the same network address. For more on store-and-forward repeaters see section
5.4.3 on page 28.