Fire Telephone HD210 Multi-line Fire Telephone Extension

Fire Telephone HD210 Multi-line Fire Telephone Extension Multi-line Telephone Extension

l The multi-line fire telephone extension is matched with the multi-line fire telephone switchboard to form a fire telephone system. This telephone extension is conventional fire telephone extension; work with conventional fire telephone system.
l multi-wire fire telephone extension , can be used as an extension bus fire telephone extension uncoded use.
l Direct dial mode: You can call the switchboard after you pick up the phone.
l Installation method: desktop or wall-mounted installation.
l The fire-fighting personnel on duty use the extension telephone to talk to the fire-fighting center at any time during the inspection process to report the situation.