Brother International MFC 8890DW Service Manual - Page 441

Selector No. Function Setting and Specifications CNG detection when sharing a 1 modular wall socket with a 0: A 1: B telephone No. 2 3 4 0 0 0: 50 ms 0 0 1: 210 ms 2 Detection time length of PABX* 0 1 0: 500 ms I dial tone, required for starting 0 1 1: 800 ms 4 dialing 1 0 0: 900 ms 1 0 1: 1.5 sec. 1 1 0: 2.0 sec. 1 1 1: 2.5 sec CNG detection when sharing a 5 modular wall socket with a 0: A 1: B telephone No. 6 7 6 Dial tone detection in PABX* 7 0 0 : No detection (3.5 sec. wait) 0 1 : No detection (5 sec. wait) 1 0 : No detection (7 sec. wait) 1 1 : Detection (Frequency only) 8 Not used. * PABX: Private automatic branch exchange Note: • Selectors 2 through 4, 6 and 7 are not applicable where no PABX is installed. • Selectors 1 and 5: CNG detection when sharing a modular wall socket with a telephone These selectors determine whether or not the machine detects a CNG signal when a line is connected to a telephone sharing a modular wall socket with the machine. Upon detection of CNG signals by the number of cycles specified by these selectors, the machine interprets CNG as an effective signal and then starts FAX reception. Selector No. 1 No. 5 0 (A) 0 (A) 0 (A) 1 (B) 1 (A) 0 (A) 1 (B) 1 (B) Cycle 0.5 cycle 1.0 cycle 1.5 cycle 2.0 cycle • Selectors 2 through 4: Detection time length of PABX dial tone, required for starting dialing Upon detection of the PABX dial tone for the time length set by these selectors, the machine starts dialing. These selectors are effective only when both selectors 6 and 7 are set to "1" (Detection). App. 1-7 Confidential