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XStream‐PKG‐T™TelephoneRFModem–ProductManualv5.x00[2006.02.24]

RS (RSSI) Command

<Diagnostic> RS Command returns the signal

level of the last packet received. This reading is

useful for determining range characteristics of the

XStream Modules under various conditions of

noise and distance.

Once the command is issued, the module will

return a value between 0x6 and 0x36 where

0x36 represents a very strong signal level and 0x4 indicates a low signal level.

AT Command: ATRS

Binary Command: 0x1C (28 decimal)

Parameter Range: 6 – 0x36 [Read-only]

Number of bytes returned: 1

Minimum Firmware Version Required: 4.22

RT (DI2 Configuration) Command

AT Command: ATRT

Binary Command: 0x16 (22 decimal)

Parameter Range: 0 – 2

Parameter Configuration

0 disabled

1 Enable Binary Programming

2 Enable Flow Control

Default Parameter Value: 0

Number of bytes returned: 1

<Serial Interfacing> RT command is used to

dictate the behavior of the DI2 (

/CMD) line.

RT Command must be issued to enable

flow

control or binary programming.

RZ (RX Buffer) Command

<Diagnostic> Read DI Buffer Size. The DO Buffer

size can be determined by multiplying the result

of the RZ Command by 1.5.

AT Command: ATRZ

Binary Command: 0x2B (43 decimal)

Parameter Range: Read-only

Number of bytes returned: 2

Minimum Firmware Version Required: 4.30

SB (Stop Bits) Command

AT Command: ATSB

Binary Command: 0x36 (54 decimal)

Parameter Range: 0 – 1

Parameter Configuration

0 1 stop bits

1 2 stop bits

Default Parameter Value: 0

Number of bytes returned: 1

Minimum Firmware Version Required: 4.30

<Serial Interfacing> SB Command is used to

set/read the number of stop bits in the data

packets.

SH (Serial Number High) Command

<Diagnostic> Set/Read the serial number high

word of the module.

AT Command: ATSH

Binary Command: 0x25 (37 decimal)

Parameter Range: 0 – 0xFFFF [Read-only]

Number of bytes returned: 2

Related Commands: SL (Serial Number Low)

Minimum Firmware Version Required: 4.27C

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