Reference Manual

Table Of Contents

3. Configuring Point-to-MultiPoint Networks

FGR3

User-Reference Manual

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l To help ensure the ID is unique to the network, avoid using numbers that coincide with

nearby landmarks or highways.

Example: Use the last four digits of the Master serial number if it is below 4095.

This is ensured to be unique and does not overlap with other nearby FreeWave networks.

l Use the Network ID function in conjunction with the Subnet ID feature (if necessary) to

route data through the radio network.

3.5.2. Using the Call Book in MultiPoint Networks

Although NOT recommended, the Call Book is an option in MultiPoint networks. If the Network

ID feature is used in a MultiPoint network, no entries are needed in the Call Book of any of the

radios.

FREEWAVE Recommends: While the Call Book is an option in Point-to-MultiPoint networks,

FreeWave strongly recommends using the Network ID feature in most applications.

If a large MultiPoint network is implemented using the Call Book and a radio needs to be added to or

replaced in the network, each radio in the network must be physically reprogrammed and the new

serial number entered in the radio's Call Book.

This can be a time consuming process and can cause a delay in getting the network back up and

running.

Because the Network ID does not use serial numbers, MultiPoint Master radios and Repeaters may

be added or replaced without reprogramming each Slave radio in the network.

Important!: Using the Call Book in a MultiPoint network can cause delay in resuming

communications if a Master is damaged.

Note: For information about setting the Call Book, see Using the Call Book in Point-to-Point

Networks on page 93.

In a MultiPoint network, the Slave radios and Repeaters are not listed in the Master radio's Call

Book. Slave radios must have the Master and any Repeater it is going to use in its Call Book.

These examples show the Call Book of a MultiPoint network comprised of a Master, Repeater,

and Slave in which the Slave can communicate either through the Repeater or directly to the

Master.

MultiPoint Master Call Book (Unit Serial Number 900-0001)

Entry Number Repeater 1 Repeater 2

(0) 000-0000

(1) 000-0000

Note: No serial number entries are necessary in the Master’s Call Book.