NavCom SR-7120 Rev.A - Manual (Page 34)

Safari Network User Guide
2-8
When services are setup in your Safari Network, you define
communication paths, or logical “Channels,” between the
various radio modules in the network. To set up multiple
services you assign distinct and separate Channels for each
service. This is so that individual sessions of those services
can occur simultaneously over the different Channels.
Once a Channel is assigned to a service (in some instances
two Channels, one transmit and one receive), you then
assign the same Channel value(s) to the communication
ports of the radio modules that will be sending and
receiving data through those services.
An example detailed in Table 2-3, Row 2 (Service/
Broadcast From NCU), shows the NCU with a Radio ID of
100 (100 is always reserved for NCUs) set up to transmit
data to the RUs on Channel 1 and COM1. Table 2-3 also
details in Row 2 that the RUs (In this example Radio IDs
2xx) are set up by the NCU to receive the broadcast data
from Channel 1, COM1 of the NCU on COM2 of the RUs
at a bandwidth of 4.8 Kbps. In this example no data is
returned from the RUs to the NCU.
Channel
#
Service
Radio
ID
COM
Port
Tx Rx
Forward
Band-
width
Return
Band-
width
100
(NCU)
COM1 1
Broad-
cast
from
NCU
201,
202,
203,
204
COM2 1
4.8Kbps 0
Table 2-3: Service/Channel Planning Example
This unique Channel/port flexibility allows for planning a
multi-service, multi-session network by assigning different
Channels to different services, and taking advantage of the
Safari Network radio module’s three COM ports.