Select by mac – Cino FA470 User Manual

Page 21

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Command Descriptions

2-6

Select By MAC

(BT)

Descriptions

Use the MAC address to select the desired scanner to communicate
This command is useful when multiple scanners are connected to the SmartCradle in PICO mode.
Select By MAC is often preceded by a Get Connected MAC command to provide a list from which
the desired scanner will be selected. Afterwards, all the subsequent serial command will be send to
this selected scanner, and the other scanners will not be able to communicate with the host until a
Deselect By MAC command is sent.
Available for F, L & A series

Packet Format

Prefix

Opcode

Status

Length

Parameter

LRC

Suffix

7Eh

95h FFh FFh

00h

00h 0Ah

See Below

Variable

7Eh

1 Byte

3 Bytes

1 Byte

2 Bytes

10 Bytes

1 Byte

1 Byte

Parameter

First and the only Parameter

PID

Size

Options

FFh 00h

00h 06h

(Scanner’s MAC Address)

2 Bytes

2 Bytes

6 Bytes

. Host Requirements

If the device successfully received the above command issued by the host, a “Device ACK” will send to

the host right after the device performed the action. Otherwise, a “Device NAK will be sent to host to

issue a command error. However, if the host can not receive any response from the device within the

user preset time-out duration, please resend the above command.


. Length

Total size (bytes) of the Parameter(s) field

. LRC

”Opcode” XOR “Status” XOR “Length” XOR “Parameter(s)”


. Size

Total size (bytes) of the Options field

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