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22. LAN MAC Address

22.1 LAN MAC Address Read

This command is used in order to read the MAC Address.

1) The controller requests the monitor to read MAC Address

Header Message Check code

Delimiter

SOH-'0'-Monitor ID-

'0'-'A'-'0'-'8'

STX-'C'-'2'-'2'-'A'-'0'-'2'-ETX BCC CR

Header

SOH (01h) : Start of Header

'0' (30h) : Reserved

Monitor ID : Specify the Monitor ID from which you want to get status.

Ex.) If Monitor ID is '1', specify 'A'.

'0' (30h) : Message sender is the controller.

'A' (41h) : Message Type is "Command".

'0'-'8' (30h, 38h) : Message length is 8 bytes.

Message

STX (02h): Start of Message

'C'-'2'-'2'-'A': LAN read command.

‘0’-‘2’: MAC Address

ETX (03h): End of Message

Check code

BCC: Block Check Code

Refer to the section 4.3 “Check code” for a BCC calculation.

Delimiter

CR (0Dh): End of packet

2) The monitor replies MAC Address to the controller.

Header

SOH (01h): Start of Header

'0' (30h): Reserved

'0' (30h): Message receiver is the controller.

Monitor ID: Indicate a replying Monitor ID.

Ex.) When this byte is set to 'A', the replying Monitor ID is '1'.

'B' (42h): Message Type is "Command reply".

LN(H)-LN(L): Message length (byte length), from STX to ETX

Message

STX(02h):Start of Message

'C'-'3'-'2'-'A': LAN read reply command.

RC: Reply result Code

'0'-'0' (30h, 30h): Normal

'F'-'F' (46h, 46h): Abnormal

'0'-'2': MAC Address

IPV: IPv4 or IPv6

'0'-'4' (30h, 34h): IPv4

'0'-'6' (30h, 36h): IPv6

MAC(0-n): MAC Address

In the case of IPv4 -> n = 4

Header Message Check code

Delimiter

SOH-'0'-'0'-Monitor ID-

'B'-LN(H)-LN(L)

STX-'C'-'3'-'2'-'A'-RC-'0'-'2'-

IPV-MAC(0)-....-MAC(n)-ETX

BCC CR

1 2 ... 115 116 117 118 119 120 121 122 123 124 125 ... 129 130

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