Black Box LH8112A-S, LH8124A manual 32 10/100 Managed Hub, Module LH8100C-2FX Bridge Jumpers

Module LH8100C-2FX

Module LH8100C-2FX provides a two port internal bridge for bridging 10Mbps and 100Mbps segments or 100BASE-FX distance extender with SC type connectors for fiber cable. The internal bridge must be enabled with on board jumpers before installation. The external distance extender is enabled by default. Module flow-control (backpressure) can be enabled or disabled by setting the on board jumpers before installation.

The default settings are as follows:

•Bridge Function setting: Internal disabled (Default)

•Backpressure setting: Disabled (Default)

Module LH8100C-2FX Bridge Jumpers

The default jumper setting of the Module LH8100C-2FX is internal bridge disabled. To enable the internal bridge and disable the external bridge change the jumpers (JP2~JP17) from 2&3 to 1&2.

Jumpers JP2~JP17

•1&2 connected = internal bridge is enabled

•2&3 connected = external bridge is enabled (Default)

LH8100C-2FX Duplex Jumper

When the Module LH8100C-2FX internal bridge is enabled, the duplex jumper should be set to Half Duplex.

Jumper JP1

•1&2 = half-duplex enabled

•2&3 = full-duplex enabled

Module LH8100C-2FX Backpressure Jumpers

The default jumper setting for backpressure is disabled. To enable the backpressure function, change JP19 jumper to 2&3.

Jumper JP19

•1&2 = disabled (Default)

•2&3 = enabled

2 3 Ports

Switch Module

LINK

TX FDX

RX COL

32 10/100 Managed Hub