Samsung Officeserv 7030 Expansion Cabinet issue

[MightyRed]

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I have gone through the how to guide of how to setup an Expansion Cabinet on an existing Officeserv 7030.

Powered both off, set them both to Master and Stand alone. Powered them both on and set the IP Addresses.

Master is 192.168.0.3
Slave is 192.168.0.6
Gateway is 192.168.0.1
Subnet is 255.255.255.0

Told each system the IP address of the other system.

Powered them both off, set one as Master and set for Master/Slave, set the other as Slave and set for Master/Slave. Connected the official Samsung Link cable and then powered both up.

The Expansion Cabinet will not connect.

I have an EPM in each system and i am using the approved link cable to link systems.

The digital phone on slave system is just stuck showing version info and clicking.

Both systems on v4.53b

Both systems work in Master mode

Any ideas??

Thanks in Advance

 

[OldAndKnackered]

If both work separately, I would suspect a faulty expansion board on one of them.