4351B Port

4351B

Models 4351A, 4351B, 4352A, 4352B, 4353, 4354 Serial port 4, RS-232/RS-485 port, DB-9 connector Network port 2, 10/100BASET Ethernet port, RJ-45 connector (Models 4351A, 4351B, 4353) 2, Fiber mode Ethernet port, MT-RJ connector with 62.5/125 um cable (models 4352A, 4352B, 4354) Port isolation 500 supports Jet Direct(network print)Modbus function 01 — Read coil status 06 — Modify register contents 02 — Read input status 07 — Read Abnormal status 03 — Read Hold Register 08 — Send Back Diagnostic test 04 — Read input Register 15 — Force multiple coils 05 — Modify coil status 16 — Preset multiple registers communication speed Copper Ethernet port :10/100 Mbps(Model 4353 only supports 100 Fiber Ethernet ports :100 Mbps Serial ports: Up to 115.2 Kbps per port Status indicator Pass, fault, active, solid links — 1 per network port, TX(transmit) — 1 per port, RX(receive) — 1 per port, manufactured by TRICONEX

“Port” is the free translation of English port, which can be considered as the outlet of communication between the device and the outside world. Ports can be classified into virtual ports and physical ports. Virtual ports are invisible ports in computers or switch routers.

For example, port 80, port 21, port 23 and so on in the computer. Physical ports, also called interfaces, are visible ports, such as the RJ45 network port on the backplane of a computer or the RJ45 hub of a switch router. Phones using RJ11 jacks also fall under the category of physical ports.