Raveon RV-M7 Spezifikationen PDF herunterladen (Seite 20)

Version C15. February 2013 Raveon Technologies Corporation

Company Confidential

5.9. MODEM Commands

Command

Command Description

Parameters

Factory

Default

ATAK

Enable/Disable ARQ – When ARQ is enabled, this

modem will automatically send an ACK packet back to a

modem that sends it data. 0=off, 1=on.

Range: 0 – 1

0 (no AKCs

sent)

ATAT

Silence AFTER Sequence - Sets period of silence after

the command sequence characters in mS.

Range:0 – 1000

(mS)

500

ATBD

Baud Rate – Sets serial com port baud rate (bps). Over-

the-air (throughput) baud rate is set with ATR2 command.

If a PC’s serial baud rate is set higher than the fixed over-

the-air baud rate of the module, hardware handshaking may

be required.

Range: 0 – 7

0 = 1200 5= 38400

1 = 2400 6=57600

2 = 4800 7=115200

3 = 9600

4 = 19200

ATBC

Busy Channel Lock Out – Enable/disable the BCL. If

enabled, the modem will not transmit on a radio channel

that is busy (has RF on if). 0-OFF, 1=ON.

Range: 0-1

ATBT

Silence BEFORE Sequence – Sets period of silence

before the command sequence character in mS.

Range: 0-1000

500

Set/Read IF Bandwidth - Sets the IF bandwidth to

narrow (N) or wide (W). Narrow is for 12.5kHz channels,

and wide is for 25 or 30kHz spaced channels. This

command is only used on the VHF version of the product.

The UHF does not support w

N or W

ATCH

Configure Hardware Flow Control – Enable (1) or

disable (0) flow control. When enabled, the modem will

monitor the RTS line, and if it is negated, stop sending

data out the serial port. If disabled, the modem will ignore

the state of RTS, and always send out characters.

1 = Enable

0 = Disable

ATCD

Carrier Detect Threshold – Read/set the carrier detect

threshold, in dBm. -113 means -113dBm. Version

firmware and higher.

-113

-120 to -60

ATCN

Exit AT Command Mode – Exits module from AT

Command Mode and returns it to normal operation mode.

none

ATCT

Command Time Out – If no valid commands have been

received via the serial port within this time period (in

milliseconds), modem returns to normal operation mode

from Command mode. If the CONFIG button inside the

RV-M7 is pressed, this parameter will be automatically set

to 60000.

Range: 100-60000mS

60000

ATDT

Destination Address to call– Sets address of the modem

to send data to. Note, in the RV-M7 GX this parameter is

entered in decimal format. Each digit may be a

0,1,2,3,4,5,6,7,8, or 9. Do not use A,B,C,D,E,or an F.

Range: 0-9999

0001

ATE

Echo – Character echo set on (E1) or off (E0). This applies

to the Command Mode only.

Range: 0 , 1

1 ( echo)

ATF

Display frequencies – Display all of the frequencies

programmed into all of the channel memories.

N/A

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