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Ans: The user can use any RS-232C device via I-7520 module to send the command string to the 7000 modules and the 7000 modules will echo the result string to the RS-232C device. The data format of command character is given as following :
Data format=1_start+8_data+no_parity+1_stop
total=1+8+1=10 bits per character
The user shouldn’t change this format to the following invalidate format:
1_start+8_data+no_parity+2_stop --> invalidate format
1_start+8_data+even_parity+1_stop --> invalidate format
1_start+8_data+odd_parity+1_stop --> invalidate format
1_start+7_data+no_parity+2_stop --> invalidate format
1_start+7_data+even_parity+1_stop --> invalidate format
1_start+7_data+odd_parity+1_stop --> invalidate format
