HP X09 Manual download pdf (Page 37)

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

TT (Streaming Limit) Command

AT Command: ATTT

Binary Command: 0x1A (26 decimal)

Parameter Range: 0 – 0xFFFF (0 = disabled)

Default Parameter Value: 0xFFFF (65535

decimal)

Number of bytes returned: 2

Related Commands: RN (Delay Slots)

Minimum Firmware Version Required: 4.22

<Networking> TT Command defines a limit on

the number of bytes that can be sent out before

a random delay is issued. TT Command is used to

simulate full-duplex behavior.

If a modem is sending a continuous stream of RF

data, a delay is inserted which stops its

transmission and allows other modems time to

transmit (once it sends number of bytes specified

by TT Command). Inserted random delay lasts

between 1 & ‘RN + 1’ delay slots, where each

delay slot lasts 38ms.

VR (Firmware Version) Command

AT Command: ATVR

Binary Command: 0x14 (20 decimal)

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

Number of bytes returned: 2

<Diagnostics> Read the Firmware Version of the

XStream Modem.

WR (Write) Command

<(Special)> WR Command writes configurable

parameters to the modem’s non-volatile memory

(Parameter values remain in the modem’s

memory until overwritten by future use of WR Command).

AT Command: ATWR

Binary Command: 0x08

If changes are made without writing them to non-volatile memory, the modem reverts back to

previously saved parameters the next time the modem is powered-on.

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HP X09 Manual Page 37