3Com 5108M-TP Switch User Manual


 
1 - 6 ONline Ethernet 10BASE-T Module User’s Guide
On position, therefore, all ports are initially enabled. Table 1-2 describes the
settings and functions for switches 1 through 8.
If you have an ONline Ethernet Network Management Module installed in
your concentrator, you can remotely override these switch settings. Refer to
the ONline Ethernet Network Management Module Installation and
Operation Guide for information on remotely managing the ports.
Dip Switch SW3 (Crossover Mode, Channel Select, Squelch)
The four switches on dip switch SW3 allow you to:
set port 8 to uncrossed mode
select a channel for the module
set the Squelch level to high (normal) or low (sensitive)
The switches are labeled 1 through 4 and the settings affect all eight ports.
Switch 1 allows you to enable or disable crossover mode for port 8. The
channel is initially configured for channel 1 (default) and Squelch level is
initially configured for high (default). The following sections explain the
crossover, channel selection, and Squelch mode.
If you have an ONline Ethernet Network Management Module installed in
your concentrator, you can remotely override these switch settings.
Table 1-2. Dip Switch SW1 Settings and Interpretations
Switch Function
Factory
Default
Switch Setting
Off On
1 - 8 Enable/disable port enable disable enable