Dynamix RC 907 EV 35 User Manual - Page 12

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The configuration dip-switch is on the front panel of RC907-EV35. (It is on the

back panel of RC908-EV35.) The definitions of the dip-switch are as follows.

The 1st bit: Duplex mode setup

This bit is used to configure the duplex mode when the auto-negotiation at Ethernet

interface fails.

ON: Full duplex mode when auto-negotiation fails

OFF: Half duplex mode when auto-negotiation fails (default)

According to the port of user devices, this bit should be configured as follows.

Port of User Devices

10/100Mbps auto-negotiation

Forced 10Mbps half duplex

Forced 10Mbps full duplex

10Mbps

full/half

auto-negotiation

Since the Ethernet interface of RC907/908-EV35 works at 10Mbps full/half duplex

mode auto-negotiation, it cannot be connected with the forced 100Mbps interface

of other equipment.

The 2nd bit: Fault-Pass-Through function setup

On: Fault-Pass-Through function enabled. In this case, the DSR alarm of V.35

interface can lead to complete failure of the Ethernet port, and the link fault will be

reported to the Switch. When the DSR alarm of V.35 interface disappears, the

Ethernet port will automatically recover.

Off: Fault-Pass-Through function disabled (factory default). In this case, the

DSR alarm will not have effect on the Ethernet port.

The 3rd ~5th bit: Buffer size setup

Since the bit rate of V.35 interface is dependent on the rate of connected DCE

equipment, it varies in large range. It is necessary to adjust the size of buffer. It can

RC907/908-EV35 User Guide

Chapter 4. Dip-switch Setup

The 1st Bit Setup

Any

OFF

duplex

Any

Actual Working Mode

10Mbps full duplex mode

10Mbps half duplex mode

10Mbps full duplex mode