How to determine the MAC address of a SiteWorx Gateway (DLGW3)

How to determine the MAC address of a SiteWorx Gateway (DLGW3)

The MAC address of a DLGW3 is based on the serial number. There are three serial number ranges and each serial number range has a different MAC address range.

MAC Address Ranges by Serial Number

  1. 02020100 to 02020FFF use 7C70BC202000 to 7C70BC202EFF
  2. 02021000 to 02021FFF use 7C70BC203000 to 7C70BC203FFF
  3. 02022000 to 02022FFF use 7C70BC204000 to 7C70BC204FFF

Convert Serial Number to MAC Address, by Range

Serial Numbers 02020100 to 02020FFF

GW3 MAC address format is 7C:70:BC:20:2x:xx where xxx is the last 1.5 bytes of the serial number minus 0x100.

Examples:

  1. SN 02020123 has MAC 7C:70:BC:20:20:23
  2. SN 02020709 has MAC 7C:70:BC:20:26:09

Serial Numbers 02021000 to 02021FFF

The MAC addresses begin in 7C:70:BC:20:3x:xx and the XXX is a direct match.

Example:

  1. SN 0202103C has MAC 7C:70:BC:20:30:3C

Serial Numbers 02022000 to 02022FFF

The MAC addresses begin in 7C:70:BC:20:4x:xx and the XXX is a direct match.

Example:

  1. SN 0202203C has MAC 7C:70:BC:20:40:3C

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