Oki OKIFAX OF-38 Field Service Manual - page 62
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284
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DIP switch explanation
Table
DIP switch
on the AUX PC board
DIP Switch
No.
Function
“ON” Position
Sending power level
adjustment
Subscriber line
equalization (TX side)
8dB
4dB
4dB
To attenuate the
level
OFF
Refer to notes below.
OFF
Subscriberline
8dB
OFF
Refer to notes below.
equalization (RX side)
4dB
OFF
Notes:
1. To equalize the amplitude versus frequency characteristic of the
subscriber
installed between the machine and the nearest
telephone exchange.
OF-38
Subscriber line
TEL. EX.
2. In case of Group 3 communication mode, an automatic adaptive
equalizer in a MODEM can perform the equalization automatically.
So the service personnel may not set them.
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