Xantech mrc88 installation instructions Expanded Controller Connections, Sources 1 through

Page: 76 Model MRC88

2.Any RS232 Commands placed on any keypad will be executed out of the PRIMARY Controllers rear RS232 Connector ONLY regardless of which zone is issuing the command. This means if interfacing to another RS232 device, this device will need to be connected to the PRIMARY Controllers RS232 port.

From Source	From Source
Component 1	Component 8

Sources 1 through 8

Sense

Inputs

1 to 8

Primary

Only

Primary MRC88 Controller/Amplifier

From A/V loopthroughs on Primary Controller

Sources 1 through 8

To IR Emitters

at A/V

Equipment

Expansion Cable

from Primary

to Secondary

Controller

Secondary MRC88 Controller/Amplifier

Figure 42: Expanded Controller Connections

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