Silicom Ltd. Connectivity Solutions

Page

11

Figure 6: Normal Mode Functional Block Diagram

Bypass/Fail-To-Wire mode

In Bypass mode, the connections of the Ethernet network ports are disconnected from the interfaces and switched over to the other

port to create a crossed connection loop-back between the Ethernet ports. The connections of the interfaces are left unconnected.

(See Figure 7: one Bypass pair illustrated)

Figure 7: Bypass Mode Functional Block Diagram

Disconnect mode

In Disconnect mode, the transmit connections of the interfaces are disconnected from the ports. The switch / router connected to

the adapter does not detect link partner (See Figure 8):

Figure 8: Disconnect Mode Functional Block Diagram

Bypass/Disconnect Features:

Silicom’s Bypass server adapter supports software programmable to select Normal, Bypass or Disconnect modes. Silicom’s

Bypass adapters supports Disable Bypass, Disable Disconnected capabilities; hence, if those adapters receive Disable Bypass

capability / Disable Disconnect commands, the adapter does not Bypass / does not Disconnect its Ethernet ports, The Disable

Bypass Capabilities are reserved also after power off. This feature enables to emulate a standard NIC.

Key Features:



All modes of operation are fully software configured with a well-defined and easy to use API



Disable bypass/Disconnect for a standard NIC emulation and operation, retained even with power cycle



Range of Watchdog timer timing, configurable for detecting appliance failure



Watchdog timer reset function by application or self-reset by the product bypass driver



Easy to read product status and product features capabilities