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Full specifications

BA-4000-L2 - BER tester with real traffic

Overview
Combined L1 BER tester and L2 traffic analyzer for 800G DR4/FR4/LR4 and 800G LPO transceivers
BA-4000-L2 - BER tester with real traffic

Key features

  • Superior hardware design: native electrical interface, excellent signal quality, clean eye diagram and low error floor
  • Layer 2 framed testing: delivers a real system view for L1 device under test (DUT) from L2 framed traffic
  • Layer 1 BERT: excellent signal quality alongside layer 2 testing
  • Real-time FEC analysis: testing of pre/post FEC BER, symbol error distribution and FEC margin
  • Powerful equalizer and channel simulator: powerful equalizer includes CTLE, 32 taps FFE and DFE. Ideal for LPO transceivers
  • Layer 2 testing: tests 800G DR4/FR4/LR4/ZR with framed L2 traffic

Specifications

Technical specifications
High-speed interface 4×O-SMPM RF connector, 67 GHz bandwidth
8×O-SMPM RF connector, 67 GHz bandwidth (with RCNC option)
Modulation PAM4
Symbol rate 53.125 GBd
Operation mode Framed – 1×800G, 2×400G, 8×100G
Unframed
Tx pre-emphasis 7 taps (3 pre-cursors, a main cursor, and 3 post-cursors)
Sub-eye height tuning Lower eye, upper eye
Channel polarity Tx inversion, Rx inversion
Rx equalizer Auto adaptive CTLE, 32-tap FFE, and DFE
Auto adaptive CTLE, 20-tap FFE with spurious noise and reflection cancellation (RCNC mode and RCNC option required)
General measurements Frequency offset, pre-FEC error (count, rate), Tx/Rx frame count, Tx/Rx line utilization, correctable codeword count, frame loss ratio, FEC margin, test time, latency, frame check sequence (FCS), etc.
Ethernet alarms and errors Link down, no traffic, pattern loss, local fault detected, local fault received, remote fault, LOA, local degraded SER detected, local degraded SER received, remote degraded SER, 66B block, FEC-UNCOR-CW, FEC-COR-CW, FEC-SYMB
PCS alarms LOAML, excessive skew, invalid marker
Rx taps (channel simulation) Channel response table, channel response plot
Frame distribution Size analysis of <64, 64, 65 to 127, 128 to 255, 256 to 511, 512 to 1023, 1024 to 1518, 1591 to 1522, >1522
PCS lane info Pre-FEC BER/SER per lane, LOMAL, excessive skew, invalid marker per lane, PCS lane mapping
Histogram SNR, level deviation, threshold deviation, sub-eye height (RCNC mode and RCNC option required)
Frame size 64 to 16000 bytes (fixed, EMIX)
L2 MAC address Source MAC address, destination MAC address, EtherType
Ethernet error injection type FEC-UNCOR-CW, FEC-COR-CW, FEC-SYMB, 66B block
Pattern (unframed mode) PRBS 15Q/31Q, only PPG supports PRBS13Q, SSPRQ and user-defined pattern
Maximum amplitude a, b 800 mVppd
PAM4 eye width (zero hit) a 6.0 ps
Sensitivity c 250mVppd and BER < e-10
250mVppd and BER < e-12 (RCNC mode and RCNC option required)
ED damage level 900mVppd
Resource embedded User guide, API guide, sample code
Clock output Amplitude > 400 mV, Ratio /8,/16,/32, /64 (trigger)
Reference clock Sync with another unit to support 1.6T (16×100G), Reference clock output amplitude > 700 mV
Low-speed signal control interface 16-pin header to access transceiver through EXFO 800G MCB (QSFP-DD, OSFP, OSFP-RHS)
Transceiver access Show low-speed signals, read/write I2C register
LAN port TCP/IP IP address, subnet mask, default gateway, and DHCP support
a. PAM4 53.125 GBd signal measured by 50 GHz-bandwidth scope with 50 GHz 2.4 mm, 15 cm RF cable. b. Support overdrive 900 mVppd. c. Measured by direct loopback from PPG to ED with 67 GHz-bandwidth O-SMPM, 20 cm RF cables. All specifications are typical, at 23 °C ± 2 °C unless otherwise specified.
General specifications
Size (H × W × D) 139 mm × 443 mm × 229 mm (5 1/2 in × 17 1/2 in × 9 in)
Weight ≤ 10 kg (22 lb)
Temperature Operating 5 °C to 40 °C (41 °F to 104 °F)
Storage –20 °C to 70 °C (–4 °F to 158 °F)
Relative humidity 20 % to 80 % (80 % for temperatures up to 31 °C decreasing linearly to 50 % at 40 °C)
Power 100 to 127 V, 50/60 Hz
200 to 240 V, 50/60 Hz
400 W max.