VeEX MPA User Manual page 802

MPA_e_manual_D07-00-129P_RevA00
C
Clock Alarm
Indicates an anomaly with the selected timing source for the transmit signal.
CPRI
Common Public Radio Interface. The following Unframed CPRI rates are currently
supported on the MPM-10G card: 614.4M, 1.2288G, 2.4576G, 3.072G, 4.9152G,
6.144G, 9.8304G, 10.1376G, 12.16512G.
CRC
Cyclic Redundancy Check. An error-detection scheme that uses parity bits generated
by polynomial encoding of digital signals, then appends those parity bits to the digital
signal; finally, decoding algorithms are employed that detect errors in the received
digital signal.
CSF
Client signal fail (CSF) alarms are generated in the GFP layer of the DUT. They are
triggered by malfunctions in the physical Ethernet interface or link, and are transmitted
in GFP over SONET/SDH. The cause of this alarm is often no light or too high an offset
at the Ethernet port on the physical interface, resulting in the loss of client signal
(LOCS) See also LOCS; GFP.
CV-L
Line Coding Violation. This is an error count of incoming B2 errors (also known as a
Line BIP-8).
CV-LFE
Far End Coding Violation. This is an error count of the number of B2 errors detected by
the far end Line Terminating Equipment. These errors are reported to the unit using the
M1 byte of the Line overhead.
CV-P
Path Coding Violation. This is a B3 error, which is also known as a Path BIP-8.
CV-PFE
Far End Coding Violation. This is an error count of the number of B3 errors detected by
the far end STS Path Terminating Equipment (PTE). These errors are reported back to
the unit using the G1 byte of the STS Path Overhead.
802