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XStream-PKG-R™ RS-232/485 RF Modem – Product Manual v5.x00

RS (RSSI) Command

<Diagnostics> RS Command returns the signal

level of the last packet received. This reading is

useful for determining range characteristics of the

XStream Modems under various conditions of

noise and distance.

Once the command is issued, the modem will

return a value between 0x6 and 0x36 where

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

RT (DI2 Configuration) Command

<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 (DI Buffer Size) Command

<Diagnostics> The RZ command is used to read

the size of the DI buffer (UART RX (Receive)).

Note: The DO buffer size can be determined by

multiplying the DI buffer size by 1.5.

SB (Stop Bits) Command

<Serial Interfacing> SB Command is used to

set/read the number of stop bits in the data

packets.

SH (Serial Number High) Command

<Diagnostics> Set/Read the serial number high

word of the modem.

AT Command: ATRS

Binary Command: 0x1C (28 decimal)

Parameter Range: 0x06 – 0x36 (Read-only)

Number of bytes returned: 1

Minimum Firmware Version Required: 4.22

AT Command: ATRT

Binary Command: 0x16 (22 decimal)

Parameter Range: 0 – 2

Parameter

Configuration

disabled

Enable Binary Programming

Enable Flow Control

Default Parameter Value: 0

Number of bytes returned: 1

AT Command: ATRZ

Binary Command: 0x2C (44 decimal)

Parameter Range: Read-only

Number of bytes returned: 2

Minimum Firmware Version Required: 4.30

AT Command: ATSB

Binary Command: 0x36 (54 decimal)

Parameter Range: 0 – 1

Parameter

Configuration

1 stop bits

2 stop bits

Default Parameter Value: 0

Number of bytes returned: 1

Minimum Firmware Version Required: 4.2B

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