EXFO FTB-880 - Page 350

Test Results
338 FTB-700G/800 Series
Alarms/Errors
 TC-IEC-P / HPTC-IEC (Incoming Error Count)
RX: The TC-IEC indicates the number of B3 parity violations detected at
the TC Source for STS-1 SPE/VC-3 and above (bits 1 to 4 of the N1 byte).
 TC-OEI-P / TC-OEI-V / HPTC-OEI / LPTC-OEI (Outgoing Error
Indication)
RX: Indicates errored blocks of the outgoing VTn/VC-n (bit 6 of the N1
or Z6/N2 byte).
TX: Bit 6 of the N1 or Z6/N2 byte is set to 1.
 TC-REI-P / TC-REI-V / HPTC-REI / LPTC-REI (Remote Error Indication)
RX: Indicates errored blocks caused within the Tandem Connection
(bit 5 of the N1 or Z6/N2 byte).
TX: Bit 5 of N1 or Z6/N2 byte is set to 1.
Number of
BIP-8 violations
Bit
Number of
BIP-8 violations
Bit
1 2 3 4 1 2 3 4
0 00008 1000
1 00010 1001
2 00100 1010
3 00110 1011
4 01000 1100
5 01010 1101
6 01100 (IAIS) 1110
7 01110 1111