Ricoh MP C307 Field Service Manual page 1181

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Table of Contents

NCU Parameters

The following tables give the RAM addresses and the parameter calculation units that the machine uses for

ringing signal detection and automatic dialing. The factory settings for each country are also given. Most of these

must be changed by RAM read/write (SP2-102), but some can be changed using NCU Parameter programming

(SP2-103, 104 and 105); if SP2-103, 104 and 105 can be used, this will be indicated in the Remarks column. The

RAM is programmed in hex code unless (BCD) is included in the Unit column.

The following addresses describe settings for the standard NCU.

Country/Area code for

NCU parameters

Country Code List

Country/Area

PSTN: Tx level from the modem

Acceptable ringing signal frequency:

range 1, upper limit

Acceptable ringing signal frequency:

range 1, lower limit

Acceptable ringing signal frequency:

Use the Hex value to program the country/area code directly into

this address, or use the decimal value to program it using SP2-

Country/Area

South Africa

4.Service Tables

Chapters

Table of Contents

Mp c407 D296 D297 D298 D299