METRObility Optical Systems 8124-01-M manual Module 8103-03-X Bridge Jumpers

Module 8103-03-X

Module 8103-03-X provides a two port internal bridge for bridging 10Mbps and 100Mbps segments and 100BASE-FX distance extender with SC type connectors and fiber cable. The internal bridge must be enabled or disabled with on board jumpers before installation. The external distance extender is always enabled. 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 enabled (Default)

•Backpressure setting: Disabled (Default)

Module 8103-03-X Bridge Jumpers

The default jumper setting of the Module 8103-03-X is internal bridge disabled. The external distance extender is always enabled. To enable the internal bridge, change the jumpers (JP3 & JP5~JP7) from 1&2 to 2&3.

Jumper JP1—Duplex Jumper (JP1)

•1&2 = half duplex

•2&3 = full duplex

Jumpers JP3 & JP5~JP7

•1&2 connected = internal bridge is disabled (Default)

•2&3 connected = internal bridge is enabled

Module 8103-03-X Backpressure Jumpers

The default jumper setting for backpressure is disabled. To enable the backpressure function for the external port and internal 100Mbps segment, change JP2 jumper to 2&3. To enable the backpressure function for the internal bridge change JP8 jumper to 2&3.

Jumpers JP2, JP8

•1&2 = disabled (Default)

•2&3 = enabled

2 3 Ports

Switch Module

LINK

TX FDX

RX COL

NOTE: JP2 is used to control the distance extender port and internal 100Mbps-segment backpressure function. JP8 is used to control internal bridge backpressure function.

34 CenturyStack 8100 Managed Hub