ICP DAS USA tDS-718i-D User Manual page 33

Tiny Serial-to-Ethernet Device Server
+12 to +48 V Jack Power Supply (Non-PoE)
DC
Host PC
Hub/Switch(NS-205)
4. Verify that the System (S1) LED indicatoris flashing.
5. Perform a Self-test wiring check as follows:

RS-232 Wiring:
Connect the RxD to the TxD pins
Copyright © 2020 ICP DAS CO., Ltd. All Rights Reserved.
Uses Non-PoE
Switch
Ethernet Cable
Power Supply
(+12~+48V )
DC
CA-002
Red, OK
-33 -