Elpro Technologies 905U-D User Manual download pdf (Page 58)

905U-D Radio Modem User Manual

Man_905D_1.10.doc Page 58

&N1•

If a key is hit or a character input while attempting to connect, abort the

connection attempt and return to command mode.

AT&S

Set module’s System Address Range 0-255.

AT&T

Self Tests. Allows in-field diagnostics, and factory testing.

&T0

Transmit Bit Error Rate Test. Generates pseudo random data and sends out radio.

&T1

Receive Bit Error Rate Test. Receives data from &T0 module, and records BER

statistics.

&T2

Transmit & Receive BER Test. Used with a second module configured as a

transparent repeater.

&T3

RSSI Measurement. Monitors the received signal strength, and displays in dBm.

AT&V

View Current Configuration – List the value of all settings as well as S-Registers.

&V0

Same as AT&V

&V1

Only show settings that are different from the defaults.

AT&U

Set module’s Unit Address Range 0-127. Default 1.

AT&W

Write Current Configuration to non-volatile storage

AT&Z

Stored Numbers – Up to 4 destination addresses may be stored.

Format: “AT&Zx=nn,nn,nn,nn”. “x” = 0 to 7. “nn” = 1 to 127.

AT&Z0 is used for auto-connect address.

AT\T

Inactivity Timeout – Units Seconds. Value 0-255. Default = 0 (disable). If there is

no radio activity in controlled mode within this time, the module resets the

connection. If used, should be larger than the value in S6.

S-Registers

S-Registers provide a method of storing operational parameters of the module. A radio module

has different requirements to a telephone module, so functions of the S-Registers are also

different. S-Registers may be examined using the command ATSn?, where n is the number of the

S-Register. S-Registers may be modified using the command ATSn=xx, where n is the S-

S-Registers and functions are listed below:

No.

Range

Function

Comment

0-255

Number of attempts before

answering connection

message

Should normally be set to 1 - 0 disables

auto answering of calls (ATA only).

3-255

Escape Sequence Guard

Time (Units 20 milliseconds)

default = 50

Min. Delay before and after entering the

escape sequence - also Max. Delay

between characters of the escape sequence.

1-255

Escape Sequence Character

Normally 43 = “+”

1 2 ... 53 54 55 56 57 58 59 60 61

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Elpro Technologies 905U-D User Manual Page 58

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