Oracom MX160 3.3. Ethernet

Tab.3.3: Table for distinguishing LEDs for RxD and TxD by colour

Colour(RxD / TxD)Typeof interface

red / greenRS232

orange / greenRS232opt. separated

orange / yellowRS422/485 opt. separated

TxD

RxD

DTE

TxD

RxD

RedLED

DCE

GreenLED

Fig. 3.3: Labelling of serial interface terminals

The SCC ports of the radio modem are DCE type devices. Based on standards the receiver terminal

RxD of the connected DTE device is connected to the transmitting terminal of the modem's SCC port

which is also labelled RxD. Similarly the red LED indicating transmission from SCC is labelled RxD.

3.3. Ethernet

• ConnectorRJ-45 for Ethernet 10BaseT and 100BaseT corresponds to the EIA TIA T568B standard.

• Informative LED diodes indicate:

• Tx – output from ETH channel

• Rx – input to ETH channel

• 100 – if lit the 100Base-TX net is indicated otherwise is 10Base-T

• LINK – indicates correctly connected link

• F.D.– indicates full duplex operation

• The direct cable serves for connecting to the Ethernet network via the hub (repeater) or switch-hub

(router).

• A crossed cable serves for connecting only two devices - MR400-MC100, MR400-PC, etc.

The following table contains connector connections and colours of conductors. For the crossed cable

the order of conductors on one side is the same as for the direct cable.

Connectors