Ricoh SP 1200S Service Manual download pdf (Page 274)

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101

Worker Switch Settings (WSW)

M085/M086 5-84 SM

5.3.24 WSW23

Selector No. Function Setting and Specifications

1 Starting point of training check (TCF)

0: 0 From the head of a series of

zeros

1: From any arbitrary point

Allowable training error rate

No. 2 3

0 0 : 0 %

0 1 : 0.5 %

1 0 : 1 %

1 1 : 2 %

Decoding error rate for transmission of

RTN

No. 4 5

0 0 : 16 %

0 1 : 14%

1 0 : 10 %

1 1 : 8 %

Not used.

8 Limitation of attenuation level 0: Yes 1: No

 Selector 8 is not applicable to the French models.

 Selector 1: Starting point of training check (TCF)

At the training phase of receiving operation, the called station detects for 1.0 second a

training check (TCF) command, a series of zeros which is sent from the calling station for

1.5 seconds to verify training and give the first indication of the acceptability of the line.

This selector sets the starting point from which the called station should start counting

those zeros. If this selector is set to "0," the called station starts counting zeros 100 ms after

the head of a series of zeros is detected.

If it is set to "1," the called station starts counting zeros upon detection of 10-ms successive

zeros 50 ms after the head of a series of zeros is detected. In this case, if the detection of

10-ms successive zeros is too late, the data counting period will become less than 1.0

second, making the called station judge the line condition unacceptable.

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Ricoh SP 1200S Service Manual Page 274

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