TTK FG-DOD Boxes

TTK FG-DOD is an OD Bus Interface Box. It is used for FG-OD sense cables installed in combination with a water/acid installation on FG-NET digital units. Up to ten FG-OD sense cables can be connected to one FG-DOD.
The LED on the front face of the box indicates the box’s status in real time:

• Green LED: normal, no alarm.
• Red LED: leak alarm on the OD bus.
• Blue LED: cable break alarm on the OD bus.
• No LED (off): loss of communication.