Chapter 55-135.6 Service Mode5.6.1 Outline5.6.1.1 Hardware Switches 0006-5713This fax has the following hardware switches. Be sure not to use those switches not discussed herein; they are foruse at the factory.SCNT BoardJumper switch (J971)The clock IC is backed up with a lithium battery by short-circuiting with a jumper plug.5.6.1.2 Service Data Setting 0006-5716Service mode has the following service data items. These items can be checked/changed according to the menu onthe display.#SSSW (Service Soft Switch settings)These setting items are for basic fax service functions such as error management, echo countermeasures, andcommunication trouble countermeasures.#NUMERIC PARAMETER (NUMERIC parameter settings)These setting items are for inputting numeric parameters such as the various conditions for the RTN signaltransmission.#SPECIALThese setting items are for telephone network control functions.#NCU (NCU settings)These setting items are for telephone network control functions such as the selection signal transmissionconditions and the detection conditions, for the control signals sent from the exchange.#FAXDo not use.#SCANDo not use.#PRINTDo not use.
