ERS/FT II
IES and Data Highway Switch Settings

IES Address Configuration

To set a unique address for each IES Module:

• Release the six quarter turn fasteners on the top of the system and remove the cover.
  
• Lift the fan panel.
  
• Set the switch. The IES address switch is the rightmost switch (closest to the power supply). Switches are numbered one to eight from left to right when viewed from the front of the system.  The following table contains valid IES switch configurations.

IES Termination

All IES modules and the BC Supervisor are connected together in a daisy-chained fashion. The device at each end of the chain must be terminated to ensure the data highway performs correctly.

If this system is the first or last device in the chain:

Connect the system to the data highway by plugging the specially marked IES RJ11 cable into either of the IES connectors on the back of the system.

Terminate the highway by setting switch 1 under the IES connectors on the rear of the system to the ON position. The switch is ON when it is pointing to the left (towards the power on/off switches).

If this system is not the last device in the chain:

• Connect the system to the data highway. There should be two RJ11 cables (specially marked IES or Data Highway)  plugged into the IES connectors on the back of the system.
  
• Set switch 1 under the IES connectors on the rear of the system to the OFF position. The switch is OFF when it is pointing to the right (away from the power on/off switches).

Connecting the Data Highway Cable

• After setting the IES address, and setting the termination switch, connect the data highway cable to one of the RJ-11 connectors on the rear of the system (it does not matter which one).

Show me how to connect the data highway cable

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