Ricoh Aficio 250 Reference Manual page 5

11. This apparatus has been approved for the use of the following facilities:
Storage of Telephone Number for Retrieval by Predetermined Code
Automatic Call Initiation
Operation in the Absence of Proceed Indication (Although not Detected)
Automatic Dialing Facilities
Auto-Calling Facility
Loudspeaking Facility
Series Connection Facility
Automatic Storage of Last Number Dialed
Tone Detection-Busy Tone
Repeat Attempt Facilities: Multiple(Automatic)
Auto Clear form Call Originating End
Integral Modem
Any other usage will invalidate the approval of the apparatus if, as a result, it then ceased to
conform to the standard against which approval was granted.
12. Connection to a PBX -it cannot be guaranteed that the apparatus will operate correctly under
all possible conditions connection to compatible PBX's. Any cases of difficulty should be re-
ferred in the first instance to the supplier of the telephone apparatus.
13. This apparatus provides an off hook detector and switching of the line between the telephone
and modem. The voltage drop introduced by this apparatus into the loop connection between
the main telephone and the network at a current of 10 ma d.c. is 0.3 volts.
14. Only apparatus conforming with BS 6301 or EN 41003 may be connected to the series socket.
Any interconnection between the above socket and other connections, directly or by the way of
other apparatus, may produce hazardous conditions on the BT network.
Advice should be obtained from a competent engineer before any such connection is made.
15. With reference to EN41003 cl 4.1.3 the apparatus is supplied with a connection to the public
switched telephone network, which is referred to as TNV circuit. There is also an optional
printer port that may by fitted, which is referred to as a SELV circuit. Please ensure that the
TNV circuit is only connected to another TNV circuit and that the SELV circuit is only con-
nected to other SELV circuits.
16. The apparatus does not recognize a secondary proceed indication.