2-6. NCU Parameters
No
Description
Formula
Remarks
00 Acceptable ringing signal frequency:
1,000,000/655N (Hz)
Range 1, upper limit
01 Acceptable ringing signal frequency:
1,000,000/655N (Hz)
Range 1, lower limit
02 Acceptable ringing signal frequency:
1,000,000/655N (Hz)
Range 2, upper limit
03 Acceptable ringing signal frequency:
1,000,000/655N (Hz)
Range 2, lower limit
04 Number of rings until a call is
N (rings)
detected
05 Minimum required length of the first
N x 20 (ms)
Note 2
ring
06 Minimum required length of the
N x 20 (ms)
second and subsequent rings
07 Reset time
N x 40 (ms)
08 Time between closing the Ds relay
N (ms)
Note 1
and opening the Di relay
(Europe/Asia only)
09 Pulse dial relay (PC2), break time
N (ms)
Note 1
2-67
Summary of Contents for FACSIMILE FAX77
Page 1: ...RICOH FACSIMILE RICOH FAX77 80 85 FIELD SERVICE MANUAL...
Page 5: ...SECTION 1 INSTALLATION...
Page 20: ...1 3 2 Minimum Space Requirements 1 14...
Page 23: ...1 5 Installation Procedure 1 Attach the copy tray 1 2 Attach the document tray 2 1 17...
Page 30: ...SECTION 2 PROGRAMMING TESTING...
Page 32: ...2 1 Operation Panel FAX77 2 1...
Page 33: ...2 2...
Page 103: ...SECTION 3...
Page 135: ...SECTION 4...
Page 139: ...Jumpers 6 and 7 1 J P 6 J P 7 3 J P 6 J P 7 4 3...
Page 141: ...SECTION 5...
Page 169: ...Rx Motor FWD STOP REV Cutter ON Motor OFF Rx Motor ON Cutter Motor OFF 5 27...
Page 170: ...SECTION 6 RICOH MEMORY OPTION TYPE 85...
Page 173: ...ELECTRICAL DATA...
Page 175: ...7 1 Point to point Diagram...
Page 183: ...7 3 Block Diagrams 7 9...
Page 184: ...2 Video Data Path Transmission...
Page 185: ...Reception 7 11...
Page 186: ...7 12...
Page 187: ...3 Power Distribution 7 13...
Page 188: ...4 Scanner Drive 7 14...
Page 189: ...5 Printer Drive 7 15...
Page 190: ...7 4 Electrical Component Layout 7 16...
Page 192: ...APPENDIX...
Page 193: ...APPENDIX A GLOSSARY...