7188XA/B/C & 7521/2/2A/3/4/7 Series Hardware User’ s Manual, Ver. 3.0 Sep/2002, 7Mh-001-20 -----
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D/O: 2 channels
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100 mA, 30V max.
Flash Memory
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512K bytes
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Erase unit is one sector(64K bytes)
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100,000 erase/write cycles
COM1
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RS-232 or RS-485 jumper select(JP1), default is RS-232
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RS-232: TXD,RXD,RTS,CTS,DTR,DSR,DCD,RI,GND
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RS-485: D1+, D1-, self-tuner ASIC inside
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Communication speed: 115200 max.
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16 bytes FIFO
COM2
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RS-485: D2+, D2-+, self-tuner ASIC inside
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Communication speed: 115200 max.
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16 bytes FIFO
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Isolation voltage: 3000V
COM3
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RS-232: TXD3, RXD3, GND
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Communication speed: 115200 max.
COM4
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RS-232: TXD4, RXD4, GND
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Communication speed: 115200 max.
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Program download port(default)
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Can be used as general purpose RS-232 port
Display
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7-segmemt LED: 5-digit (for 7188XAD)
Power
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Power requirements: 10 to 30VDC(non-regulated)
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Power consumption: 2.0W for 7188XA
3.0W for 7188XAD
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