AeroComm Corporation PKLR2400-200 User Manual

AC5124-10 Specifications

11/24/03

5.1.4

5.1.4 Standby

Standby

The Host issues the following commands to enable Sleep Walk Mode for Clients and Deep Sleep
Mode for Servers. See Section 6.1.13.3, Power Down Modes

Section 6.1.13.3, Power Down Modes

Section 6.1.13.3, Power Down Modes for detailed information on these modes.

•

88 01 00 00 89 – This will command the Client into Sleep Walk mode.

•

88 01 00 01 88 – This will command the Server into Deep Sleep mode.

•

88 01 00 04 8D – This will cancel the power down functions.

5.1.5

5.1.5 Status Request

Status Request

The Host issues this command to a transceiver to determine various statistics associated with the RF
Data Link Layer. A Data value of 00h will reset the Error Counters while a value of 01h will leave them
at their current values. The Host must wait for the

Status Reply

Status Reply command before issuing any additional

commands.

Example: 8A|01|00|01|8A

Status Reply (0 Active Transceivers): 8B|20|00|A8|03|00|00|00|00|00|01|00|00|00|00|00|00|00|

00|00|00|00|01|00|50|67|00|3C|3D|D3|01|00|07|00|00|E3

5.1.6

5.1.6 Status Reply

Status Reply

A transceiver issues this command to the Host in response to a

Status Request

Status Request command. The

parameters pertain to the RF Data Link Layer and provide cumulative totals. The statistics and their
sizes are shown below:

Name

Type

Description

Size

Transceiver Time

Time
Counter

Incremented by 1 every 250ms. Initialized
to 0 at power on or reset.

Unsigned Byte –
3 Bytes, Low
Byte first

Tx Failures

Error
Counter

Number of times a transceiver was not able
to deliver a data frame to the destination

Unsigned Long -
4 Bytes

Tx Retries

Error
Counter

Number of times a transceiver had to retry
before delivering a data frame to the
destination

Unsigned Long -
4 Bytes

Rx Failures

Error
Counter

Number of times a transceiver had to throw
away a received data frame because of bad
CRC/checksum

Unsigned Long -
4 Bytes

Rx Retries

Error
Counter

Number of times data frames had to be
retransmitted before a valid data frame was
received

Unsigned Long -
4 Bytes

Num Active
Transceivers

Data
Counter

Number of Clients registered to a
Server. If the Transceiver under
consideration is a Client, just return 0

Unsigned Byte -
1 Byte

List of Registered
Transceivers

Identity

List of 6-Byte IEEE 802.3 transceiver
addresses + 3 Byte time stamp + 3 Byte
packet count. Time stamp and packet
counter are reset at power on or Reset.

12 Bytes * Num
Reg Clients