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

NB (Parity) Command

AT Command: ATNB

Binary Command: 0x23 (35 decimal)

Parameter Range: 0 – 5

Parameter Configuration

<Serial Interfacing> Select/Read parity settings

for UART communications.

8-bit (no parity or

7-bit (any parity)

1 8-bit even

2 8-bit odd

3 8-bit mark

4 8-bit space

5 9-bit

Default Parameter Value: 0

Number of bytes returned: 1

Minimum Firmware Version Required: 4.30

PC (Power-up Mode) Command

AT Command: ATPC

Binary Command: 0x1E (30 decimal)

Parameter Range: 0 – 1

Parameter Configuration

0 Power-up to Idle Mode

<AT Command Mode Options> PC Command

allows the module to power-up directly into AT

Command Mode from reset or power-on. If PC

Command is enabled with SM Parameter set to 1,

the SLEEP Pin (DI3-Pin 2) can be used to enter

the module into AT Command Mode. When the

SLEEP pin is de-asserted (low), the module will

Wake-up into AT Command Mode. This behavior

allows modem DTR emulation.

Power-up to

AT Command Mode

Default Parameter Value: 0

Number of bytes returned: 1

Minimum Firmware Version Required: 4.22

PK (RF Packet Size) Command

<RF Interfacing> PK Command is used to

set/read the maximum size of RF packets. The

maximum packet size can be used along with

RB/RO to implicitly set the channel dwell time.

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If PK is set above 256 and BR is subsequently

changed to 0, then PK will automatically be

lowered to 256 and a warning will be raised (see

BR (RD Data Rate) and WN (Warning Data)

Commands for details).

Changes to this parameter may have a secondary

effect on the RB (Packet Control Characters) Parameter. RB must always be less than or equal to

PK. If PK is changed to a value less than the current value of RB, RB is automatically lowered to

be equal to PK.

AT Command: ATPK

Binary Command: 0x29 (41 decimal)

Parameter Range: 0 – 0x100 [Bytes]

Default Parameter Value: 0x40 (64 decimal)

Number of bytes returned: 2

Related Commands: RB (Packetization

Threshold), RO (Packetization Timeout)

Minimum Firmware Version Required: 4.30