Ricoh 170 / 180 - Manual (Page 5)

NOTICE TO USERS (New Zealand)
Equipment connected to the interface port shall be certified to meet the
requirements of Reg. 18 of the New Zealand wiring Regulations 1976.
Telepermitted equipment may only be connected to the interface port.
The operation of this equipment on the same line as telephones or other
equipment with audible warning devices or automatic ring detectors will give
rise to bell tinkle or noise and may cause false tripping of the ring detector.
Should such problems occur, the user is not to contact Telecom Faults
Service.
Immediately disconnect the equipment should it ever suffer physical damage
which results in their internal parts becoming accessible in normal use.
Arrange for its disposal or have it repaired before it is reconnected.
Should it necessary to move the equipment, it is necessary to disconnect the
Telecom network connection before disconnecting the Power lead or any
separate earth lead. Similarly, when reconnecting the equipment it is
necessary to connect the power lead or earth lead before connecting the
telecom Network.
Not all standard telephones will respond to incoming ringing when connected
to the extension socket.