IBM 1G User Manual page 33

Field
Operation Mode
Link fault detection
Tap Setting
Description
Specifies the operation mode of the Network Active
Bypass unit:
v 0: Normal Active Bypass (default mode) - If the
Network Active Bypass unit receives heartbeat signals
within the Timeout period, the switching mode
remains or is changed to Active Switching mode.
If the Network Active Bypass unit does not receive
heartbeat signals within the Timeout period, it will
change to or remain in Bypass Switching mode.
By default (without a heartbeat), the Network Active
Bypass unit remains in Bypass Switching mode.
v 1: Normal Active Inline - If the Network Active Bypass
unit receives heartbeat signals within the Timeout
period, the switching mode remains or is changed to
Bypass Switching mode.
If the Network Active Bypass unit does not receive
heartbeat signals within the Timeout period, it will
change to or remain in Active Switching mode.
By default (without a heartbeat), the Network Active
Bypass unit remains in Active Switching mode.
v 2: Manual Active - The Network Active Bypass unit is
always in Active Switching mode.
v 3: Manual Active Bypass - The Network Active Bypass
unit is always in Bypass Switching mode.
v 4: Manual Passive Bypass - The Network Active
Bypass unit is in passive bypass, in which the optical
switch is "Close" in bypass mode.
Generates an SNMP trap if a network port stops
functioning:
v 0: disables the system from detecting Link Fault
Detection
v 1: enables the system to detect and activate Link Fault
Detection
Default: Enabled
Specifies the ports on the Network Active Bypass unit for
data flow during Bypass Switching mode and Active
Switching mode:
v Port N1: Network in
v Port N2: Network out
v Port A1: Appliance in
v Port A2: Appliance out
Options for Tap setting are:
v RX
v TX
v RX/TX
Chapter 3. Configuring the Network Active Bypass unit in the management interface
15