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3.9.6 Connecting the SEG-M to a Max 3 System (RS-485)
You can connect your Max 3 to your LAN/WAN by using the SEG-M, Secured Ethernet Gateway. Follow the instructions below and
refer to the diagram.
The connection from the SEG-M to the Max 3 requires you to plug the module onto the backplane connector S1 to power the unit.
You must also use the six-conductor wire harness from J1 on the SEG-M to P5 on the module and J1 on the backplane. If you have
more than one module on the backplane, you must connect each module to the corresponding RS-485 connector (J2, J3 or J4)
underneath the module as described in the Max 3 Installation Manual.
To connect additional backplanes to the system, simply connect TS3 on the first backplane to TS3 on the next backplane as shown
below. The SEG-M is only required on the first backplane of the system (up to 64 doors Max; if you require more doors an additional
SEG-M is required).
Document Number: 6066005, Rev 3.2 Page 15 of 34
Note: The maximum
distance between the first
backplane with the SEG-M
and the next backplane is
4000 feet using 24AWG,
shielded, two twisted-pair
telephone cable with a shunt
capacitance of 16 pF/Ft.