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IES-P3073GC Series User Manual
ORing Industrial Networking Corp
15
of the switch.
PC pin out (male) assignment
RS-232 with DB9 female connector
DB9 to RJ 45
Pin #2 RD
Pin #2 TD
Pin #2
Pin #3 TD
Pin #3 RD
Pin #3
Pin #5 GD
Pin #5 GD
Pin #5
3.4.2 SFP
The switch provides three combo ports which consist of three SFP transceivers paired with
three Gigabit Ethernet ports, allowing you to connect to fiber networks for longer transmission
distances. You can choose appropriate SFP transceivers based on your needs as they are hot
swappable. SFP transceivers are available in multi- or single-mode with LC connectors.
Please remember that the TX port of Switch A should be connected to the RX port of Switch B.
3.4.3 O-Ring/O-Chain
O-Ring
You can connect three or more switches to form a ring topology to gain network redundancy
capabilities through the following steps.
Fiber cord
Switch A
Switch B