NavCom SR-7120 Rev.A - Manual (Page 68)

Safari Network User Guide
A router is connected to a wired LAN and the COM1
on the NCU. The Internet will be accessible from the
COM1 port on RU 201 or 202 or both. Therefore, a
WLAN channel will be established and named
Channel 1. The COM1 ports on NCU, RU 201 and
RU 202 will all be assigned to Channel 1. The data
throughput is set at 179.2Kbps for both upload and
download.
4-6
Also, there will be a serial communication link
between 201 COM2 and 202 COM2 with a
throughput rate of 25.6Kbps. Therefore, a Remote-to-
Remote service will be setup with forward channel 2
and return channel 3 on 25.6Kbps data rate. Note:
Because the Remote-to-Remote passes both upstream
and down, it consumes two times the data rate from
the maximum throughput. Note: Com 3 (not used in
this example) could be used for additional services
such as GPS reporting. A special cable may be
required in some applications.
The SCU is transparent to the service setup. The NCU
in on frequency 4 and the SCU downlink is on
frequency 2. The two RUs will automatically search for
the best frequency to log onto the network.
All example screens in this chapter pertain to this example
setup (illustrated in Figure 4-2 on the previous page).