User manual

Functional Description

MEN Mikro Elektronik GmbH 19

20F302-00 E4 – 2010-12-16

2.2.2 Configuration of the Switch

The F302 loads the following standard configuration for the 8 ports available at the

front of the unit at startup:

Table 4. Default switch configuration at startup

All of the ports are individually configurable using an external dongle, a Telnet or

Secure Shell (SSH) command line interface via the D-Sub service connector or over

Ethernet via SNMP (Version 3) or the unit’s web server interface. For further

information about configuration options please refer to the documentation of the

F302 firmware.

2.3 Service Interface (RS232 / I

The service connector features an RS232 UART interface for maintenance

purposes. Further information about maintenance and configuration options is

provided in the documentation of the F302 firmware.

An I

C connection is also available to connect an external dongle (available from

MEN) for easy dumping or uploading of configuration data.

Table 5. Pin assignment of the 9-pin D-Sub service interface connector

Setting Default

Duplex mode Full Duplex

Port speed Auto-Negotiate

VLAN (port-based) Off

QoS (Quality of Service) Off

Port mirroring and port monitoring Off

Port trunking Off

Pin Name Description

1GPIO[0]

General purpose I/O 0

Apply active signal for more than 2 seconds:

Reset

Apply active signal for more than 10 seconds:

Reset with restored factory settings

2 RS232_RX RS232 receive data

3 RS232_TX RS232 transmit data

4SCLI

C data clock for external dongle

5 GND Ground

6GPIO[1]

General purpose I/O 1

Used for detection of external dongle

7 +3.3V Power supply for external dongle

8SDAI

C serial data input/output for external dongle

9 GND Ground