Test Results
336
FTB-700G/800 Series
Alarms/Errors
TCM (SONET/SDH)
Note:
TCM is displayed for rates up to OC-192/STM-64 under the STS-x/AU-x or
VT/TU alarms/errors group when TCM is enabled.
Alarms
TC-UNEQ-P
/
HPTC-UNEQ (
Unequipped)
RX/TX
: An all “0”s pattern is received/generated in the higher order
path signal label byte (C2), the TCM byte (N1) and the path trace byte
(J1), and a valid BIP-8 bytes (B3).
TC-UNEQ-V
/
LPTC-UNEQ
(Unequipped)
(LPTC - Unequipped)
RX/TX
: An all “0”s pattern is received/generated in the lower order path
signal label (bit 5, 6, 7 of byte V5), the TCM byte (Z6/N2) and the path
trace byte (J2), and a valid BIP-2 (bits 1, 2 of V5 byte).
TC-LTC-P / TC-LTC-V
/
HPTC-LTC / LPTC-LTC
(Loss of Tandem
Connection)
RX/TX
: A wrong FAS multiframe is received/generated.
TC-IAIS-P
/
HPTC-IAIS
(Incoming Alarm Indication Signal)
RX/TX
: Bits 1 through 4 of the N1 byte are set to “1110”.
TC-IAIS-V
/
LPTC-IAIS
(Incoming Alarm Indication Signal)
RX
/
TX
: Bit 4 of the Z6/N2 byte is set to “1”.
TC-ODI-P / TC-ODI-V
/
HPTC-ODI / LPTC-ODI
(Outgoing Defect
Indication)
RX/TX
:
SONET: Bit 7 of the N1/Z6 byte frame 74 is set to “1”.
SDH: Bit 7 of the N1/N2 byte multiframe 74 is set to “1”.
Содержание FTB-1
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