Oki B 4100 Maintenance Manual page 368

(11) TEL-W2 board (Option): For Sweden, Finland, The Netherlands, Ireland, Portugal, New
• Basic speech functions included.
• Separate receive pre-amp with signal output terminal.
• Separate receive power amp input terminal, because it is possible to mix input.
• Balanced input for microphone input to provide immunity to common mode noise.
• MF pre-amp input terminal is possible to mixing input.
• Dial pulse waveform improvement circuit included.
• Manual pad function included.
• The transmit, receive, and DTMF amplifiers are provided with AGC according to the line
current.
(12) TEL-W1 board (Option): For UK, Norway, Denmark and Italy.
• Basic speech functions included.
• Separate receive pre-amp with signal output terminal.
• Separate receive power amp input terminal, because it is possible to mix input.
• Balanced input for microphone input to provide immunity to common mode noise.
• MF pre-amp input terminal is possible to mixing input.
• Dial pulse waveform improvement circuit included.
• Manual pad function included.
• The transmit, receive, and DTMF amplifiers are provided with AGC according to the line
current.
• Dialing functions included.
(13) TEL-W2D board (Option): For Germany
• Basic speech functions included.
• Separate receive pre-amp with signal output terminal.
• Separate receive power amp input terminal, because it is possible to mix input.
• Balanced input for microphone input to provide immunity to common mode noise.
• MF pre-amp input terminal is possible to mixing input.
• Dial pulse waveform improvement circuit included.
• Manual pad function included.
• The transmit, receive, and DTMF amplifiers are provided with AGC according to the line
current.
(14) TQSB board (option)
Second paper cassette unit for OKIFAX 5000 series.
• MOS-CPU
• Motor control
40055101TH Rev.4
Zealand, Australia, Belgium, Spain, Greece, Switzerland and Austria.
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