Interlogix NS3552-8P-2S-V2, User Manual, Page: 97 / 511

Chapter 4: Web configuration
NS3552-8P-2S-V2 User Manual 95
Receive error counters
Object Description
Rx Drops
The number of frames dropped due to lack of receive buffers or
egress congestion.
Rx CRC/Alignment
The number of frames received with CRC or alignment errors.
Rx Undersize
The number of short
1
frames received with valid CRC.
Rx Oversize
The number of long
2
frames received with valid CRC.
Rx Fragments
The number of short
1
frames received with invalid CRC.
Rx Jabber
The number of long
2
frames received with invalid CRC.
Rx Filtered
The number of received frames filtered by the forwarding process.
1
Short frames are frames that are smaller than 64 bytes.
2
Long frames are frames that are longer than the configured maximum frame length for this port.
Transmit error counters
Object Description
Tx Drops
The number of frames dropped due to output buffer congestion.
Tx Late/Exc. Coll.
The number of frames dropped due to excessive or late collisions.
Buttons
• Click
Refresh
to refresh the page immediately.
• Click
Clear
to clear the counters for all ports.
• Select the
Auto-refresh
check box to enable an automatic refresh of the page at
regular intervals.
SFP module information
You can check the physical or operational status of an SFP module via the SFP Module
Information page. This page shows the operational status such as the transceiver type,
speed, wavelength, optical output power, optical input power, temperature, laser bias
current, and transceiver supply voltage in real time. You can also use the port number
hyperlinks to check the statistics on a specific interface.