ERS-VNA-2P-8T-9G-T-E5071C-V1

TTL  Control :
TTL I/PSW Trigger OutLCD
000CH1 CH8CH1
001CH2 CH1CH2
010CH3 CH2CH3
011CH4CH3CH4 
100CH5CH4CH5 
101CH6CH5CH6
110CH7CH6CH7
111CH8CH7CH8