3.3.3. CONNECTION TO DEVICE WITH ACTIVE TRANSMITTER & PASSIVE RECEIVER
Fig. 9. Example connection of device with active transmitter and passive receiver to ADA-4021
3.3.4. CONNECTION TO DEVICE WITH PASSIVE TRANSMITTER & ACTIVE RECEIVER
Fig. 10. Example connection of device with passive transmitter and active receiver to ADA-4021
8
ADA-1021
ADA-1021
Active
transmitter
Power
Tx+
Tx-
Rx+
Rx-
Current Loop
Device
I1 +
I1 -
I2 +
I2 -
Rx +
Passive
receiver
Tx +
Tx -
Rx -
Current Loop
connector
Current Loop
connector
V +
V -
V -
V+
Passive
Receiver
Active
Transmitter
DSR-4
GND-5
RS232 connector
DCE/DB-9F
Tx-2
Rx-3
RTS-8
CTS-7
DTR-6
ADA-1021
Passive
Transmitter
Power
Tx+
Tx-
Rx+
Rx-
Current Loop
Device
I1 +
I1 -
I2 +
I2 -
Rx +
Active
Receiver
Tx +
Tx -
Rx -
Current Loop
connector
Current Loop
connector
V +
V -
V -
V+
Passive
Transmitter
Active
Receiver
DSR-4
GND-5
RS232 connector
DCE/DB-9F
Tx-2
Rx-3
RTS-8
CTS-7
DTR-6
