Integration Guide

SATEL-TR4+
Integration Guide, Version 1.7
35
Modem shows next free channel by
activating command again
ChannelList
SL$F?
Get active channel number
decimal number
ChannelList
SL$F=n
Set modem to channel number n in
channel list
"OK" or "ERROR"
ChannelList
SL$L?nn
Get channel info.
Index nn=[0...(number of channels-
1)]
Channel number,
Frequency, Channel width,
Tx Power
For example: "CH 1,
430.150000 MHz, 25.0 kHz,
100 mW\0D"
ChannelList
SL$L=Iaa,Nbbbb
bb,Fccc.cccccc,
Wdd.ddd,Peeee
e<CR>
I = Index field aa = 0...39 //Future
reservation 0...255
N = Channel number field bbbbbb =
-32767...32767
F = Tx/Rx Frequency field ccc.cccccc
= Tx/Rx Frequency in MHz (only
numbers or "." allowed, "," is not
allowed)
W = Channel spacing/width field
ddddd = 12.5, 20 or 25 (unit is kHz,
trailing decimals are tolerated e.g.
"25", "25.0", "25.00" and "25.000"
are all valid)
P = Transmitter power field eeeee =
0...35000 (modem rounds the value
to the closest applicable) Note: 0
means "don't care" value for
power.
<CR> = Carriage return character
"OK" or "ERROR"
ChannelList
SL$M?
Get status of channel list. 0 = Not in
use, 1 = Channel list in use
"0" or "1"
ChannelList
SL$M=n
Set status of channel list. 0 = Not in
use, 1 = Channel list in use
"OK"
ChannelList
SL$R?
Get listening time (seconds) of
Search free channel function
decimal number
ChannelList
SL$R=n
Set listening time (seconds) of
Search free channel function
"OK" or "ERROR"
ChannelList
SL$S=1
Set channel scanning mode
When activated, modem scans
channels one by one and saves RSSI
readings to memory
"OK" followed by
channel/RSSI info
For example: "OKCH 6 -122
dBm, CH 22 -121 dBm, CH
10003 -122 dBm, "
DataPort
SL%B?
Get serial data parameters
baud rate, character
length, parity, number of