Fig. 1 Mapping structure (SDH)
•
52/156/622/2488/9953M (SONET)
Bit rate 51.84, 155.52, 622.08, 2488.32, 9953.28 Mbit/s
52M (electrical: B3ZS)
∗
1
: ANSI T1.102, 0/450 ft
52M (optical): As per MP0122B unit optical interface specifications
156M (electrical: CMI)
∗
2
: ITU-T G.703
Level/waveform 156M (optical): As per optical 156M/622M unit specifications
622M (electrical/optical): As per optical 156M/622M unit and NRZ unit specifications
2488M (electrical/optical): As per 2.5G unit and 2.5G/10G unit specifications
9953M (electrical/optical): As per 2.5G/10G unit specifications
Clock
Internal (accuracy: ±3.5 ppm, jitter unit not installed), Lock (2 MHz, 1.5 MHz, 64 kHz + 8 kHz, 2 Mbit/s, 1.5 Mbit/s),
External (ECL [AC] 50 Ω, 9953M: 1.02 to 0.58 Vp-p, 50 Ω), received signal
Frame SDH/SONET, CID pattern, non-frame
Mapping See Fig. 2
Through Trance parent, over head overwrite, payload overwrite
PRBS: 2
11
– 1, 2
15
– 1, 2
20
– 1 (zero suppress, MP0122A/B installed), 2
20
– 1, 2
23
– 1, 2
31
– 1 (only concatenation mapping
Test patterns
16c/64c, conform to O.151)
Invert: On/off
Word: 16-bit programmable, all 0, all 1
Bit all (all, test pattern), FAS, B1, B2, B3, BIP-2, REI-L, REI-P, REI-V
Timing: Single, single (burst) bit (1 to 64000), rate (1E–3, 1E–4, 1E–5, 1E–6, 1E–7, 1E–8, 1E–9)
Error addition
User program AE-B [A: 1.0 to 9.9 (step: 0.1), B: 2 to 10]
Alternative: Error frame (0 to 8000), normal frame (1 to 8000)
LOS, LOF, AIS-L, RDI-L, AIS-P, LOP-P, PLM-P, HP-TIM, RDI-P, UNEQ-P, AIS-V, LOP-V, LOM-V, PLM-V, LP-TIM, RDI-V, UNEQ-V, RFI-V
Alarm addition Timing: Single, single (burst) frame
Alternative: alarm frame (0 to 8000), normal frame (1 to 8000), all
Mode: Single, repeat, manual
In-service/Out-of-service
Errors: B1, B2, B3, BIP-2, REI-L, REI-P, REI-V
Measurements Alarms: Power-fail, LOS, LOF, OOF, AIS-L, RDI-L, AIS-P, LOP-P, PLM-P, HP-TIM, RDI-P, UNEQ-P, AIS-V, LOP-V, LOM-V,
PLM-V, LP-TIM, RDI-V, UNEQ-V, RFI-V
Error performance: G.826, M2101, M2110, M2120
Preset: Alarm measurement condition
LEDs
LOS, LOF, OOF, AIS-L, RDI-L, AIS-P, LOP-P, RDI-P, PLM-P, AIS-V, LOM-V, LOP-V, RDI-V, RFI-V, PLM-V, Tandem, sync. loss, errors
Z5 byte (Type 1, Type 2), Z6 byte
Tandem connection Errors: Z6 BIP-2, TC-REI, OEI, IEC
Alarms: VC-AIS, ISF, FAS, HP-Incoming-AIS, HP-TC-RDI, HP-ODI, LP-Incoming-AIS, LP-TC-RDI, LP-ODI
Continued on next page
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