CHAPTER 8 FUNCTIONS OF RESPECTIVE CHANNELS
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(1) Mode
The mode is fixed to the modem mode.
(2) Setting of FG
The FG select jumper (JP3) is used for setting of FG. When this jumper is set to the FG (frame ground) side,
FG is opened. When it is set to the SG (signal ground) side, FG and SG are shared.
Usually, set the jumper to the FG side (open).
Fig. 8-1 Circuit Diagram of FG Select Jumper (CH1)
FG of CH1
FG
SG
Содержание IE-784000-R
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Страница 111: ...111 APPENDIX C JUMPER SETTING Fig C 1 Locations of Jumpers on IE 78000 R SV2 Board 2 2 Component side 4096 1024 JP2 JP1...