tr2m-458-5 Radiometrix Ltd, tr2m-458-5 Datasheet - Page 6

• Manufacturer Part Number: tr2m-458-5
• Description: Multinarrow Band Fm Multi-channel Uhf Transceiver
• Manufacturer: Radiometrix Ltd

2400 baud RS232. 8 bit data, no parity, 1 start bit, 1 or 2 stop bits, No flow control
SINGLE
GOCHAN xx
LOADMX xx
LOAD aa
LOADTB
RVALUE rrrr
SETPAR
SETSER
SETMOD
GOTEST
OFFSET ooo
<cr>
/
xx = channel number from 00 to 127
aa = two digit channel number from 00 to 15
nnnnn = synthesizer N register value, (up to 65535)
rrrr = synthesizer R register value, (up to 16383)
000 = frequency offset
RX
Channel
Number
Radiometrix Ltd
N
TX
F max
OFFSET
10
11
12
13
14
15
16
=
0
1
2
3
4
5
6
7
8
9
f
Channelspa
nnnnn
nnnnn
f
nnnnn
Figure 6: Maximum regulatory and user accessible sequential channels
RF
=
433MHz band
433.050
433.075
433.100
433.125
433.150
433.175
433.200
433.225
433.250
433.275
433.300
433.325
433.350
433.375
433.400
433.425
433.450
434.775
cing
f
channelspa
=
IF
433
cing
433.05
25
.
25kHz
050
kHz
=
Set value of N for single channel operation
Serial select of channel xx (0 to 127)
Set highest permitted (serial selected) channel xx (others default to ch0)
Set value of N for channel aa (channels 0 to 15)
Set value of N for channel 16 (channels 17 to 127 then in sequence)
Enter value for R register
Channel selected by 3 bit parallel input (0 to 7). Disable modem
Channel selected by most recent 'gochan' operation
Enable internal modem. Frequency selected by most recent 'gochan' or
'single'
250Hz test tone transmission
Set receive frequency offset (for 25KHz this is 1800)
Process entry
Clear all buffers
458MHz
45
MHz
Band
25
433MHz Band
MHz
kHz
N value for TX
/LOAD00 17322
/LOAD01 17323
/LOAD02 17324
/LOAD03 17325
/LOAD04 17326
/LOAD05 17327
/LOAD06 17328
/LOAD07 17329
/LOAD08 17330
/LOAD09 17331
/LOAD10 17332
/LOAD11 17333
/LOAD12 17334
/LOAD13 17335
/LOAD14 17336
/LOAD15 17337
/LOADTB 17338
/LOADMX 69
=
459.1
17322
= 1800
TR2M Data Sheet
434.79
R
=
458MHz band
458.525
458.550
458.575
458.600
458.625
458.650
458.675
458.700
458.725
458.750
458.775
458.800
458.825
458.850
458.875
458.900
458.925
459.100
f
channelspa
f
TCXO
cing
=
461.675
13
25
MHz
kHz
N value for TX
/LOAD00 18341
/LOAD01 18342
/LOAD02 18343
/LOAD03 18344
/LOAD04 18345
/LOAD05 18346
/LOAD06 18347
/LOAD07 18348
/LOAD08 18349
/LOAD09 18350
/LOAD10 18351
/LOAD11 18352
/LOAD12 18353
/LOAD13 18354
/LOAD14 18355
/LOAD15 18356
/LOADTB 18357
/LOADMX 23
, So R=520
page 6