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JZ875 Micro-power wireless data module
SHENZHEN JIZHUO TECHNOLOGY CO., LTD
TEL
：
0755-83304518 83308451
Tech:0755-61319411 61319410
WEB: http://www.jizhuo.com
－１０－
Optional Antenna:
Trouble and solve ways:
Trouble and solve ways:
Troubles
Cause and Remedy
Communication at both ends of the air rate, parity inconsistency
Frequency
inconsistency
Without power
Module has destroyed
Between
devices not
communicat
ed
The pin of sleep mode not set
Environment very bad or the antenna is blocked
The existence of the same frequency or magnetic or electrical interference, or
replacement of the channel away from sources of interference
Short
Distance
Power match or not. Voltage and current is large enough
Without power
TTL to RS232 converter is damaged, or without power supply
Converters .module.pc with connection error
Change work channels
Serial port baud rate settings are not correct or air, to re-set
Module cant
communicat
e with PC
Power supply ripple big, replace the power supply
Note: All of the rights of final interpretation and modification by our company
