User Manual

7521/2/2A/3/4/7 Series Hardware User’s Manual, Ver. 1.5 Sep/2002, 7Mh-001-15 -----26
COM1
 RS-232 or RS-485
 RS-232: TXD,RXD,RTS,CTS,GND
 RS-485: D1+, D1-, self-tuner ASIC inside(7522A/7524)
 Communication speed: 115200 max.
COM2
 RS-485: D2+, D2-, self-tuner ASIC inside
 Communication speed: 115200 max.
Display
 7-segmemt LED: 5-digit (for 7188XBD)
Power
 Power requirements: 10 to 30VDC(non-regulated)
 Power consumption: 2.0W for 7188XB
3.0W for 7188XBD
For ODM User
 SRAM can be 512K max.
 COM2 can be 3000V isolated
 EEPROM can be 32K bytes