Cisco 2600/2600XM AND 3600 SERIES 8 PORT T1 ATM MODULE WITH IMA Техническое Руководство
• Remote loopback—The clock and data recovered from the
line inputs are routed back to the line outputs. This mode
is customer enabled.
• Network loopback—The clock and data recovered from
the line inputs are routed back to the line outputs. This
mode detects a loopback data pattern from the input data
stream.
• Dual loopback—Two dual loopback modes supported
– Payload loopback—Will loopback the data stream from
the receiver station back to the transmitter section.
The looped data will pass the receiver, transmitter, and
framers.
The looped data will pass the receiver, transmitter, and
framers.
– Line loopback—Will loopback the data stream from the
receiver section back to the transmitter section (not
including the framers).
including the framers).
• RJ-45 external loopback—An external RJ-45 loopback
plug can be used to loopback clocks and data.