Agilent/Keysight 37718A

The Agilent/Keysight 37718A OmniBER Communications Performance Analyzer delivers multi-rate Bit Error Rate (BER) and jitter testing for telecommunications equipment across SDH, SONET, PDH, ATM, and POS networks. Operating up to 2.5 Gb/s (STM-16/OC-48), this portable instrument supports rates from 64 kb/s through 2,488 Mb/s, enabling thorough performance validation during development, qualification, and manufacturing phases.

Technical Specifications

Supported Rates and Interfaces

• SDH/SONET: STM-16c, STM-4c, STM-1, STM-0, OC-48, OC-48c, OC-12c, OC-12, OC-3c, OC-3, OC-1, STS-3c, STS-3, STS-1 up to 2.5 Gb/s


• PDH/T-carrier: 64 kb/s, n×64 kb/s, 56 kb/s, n×56 kb/s, 2 Mb/s, 8 Mb/s, 34 Mb/s, 140 Mb/s, DS1 (1.5 Mb/s), DS3 (45 Mb/s)


• ATM and POS payloads up to 2.5 Gb/s with concatenated payload support Jitter and Wander Analysis


• Jitter generation and measurement at 1.5, 2, 8, 34, 45, 52, 140, 155, 622, and 2,488 Mb/s


• Jitter transfer measurement with 10 Hz narrowband filtering


• User-definable jitter tolerance and transfer masks; supports ITU-T G.823, G.825, and G.958 types A and B


• Wander frequency range: 10 µHz to 0.125 Hz; amplitude up to 57,600 UI


• Real-time MTIE, TDEV, and MRTIE calculation


• ITU-T O.172 jitter compliance verification Performance Monitoring


• Simultaneous G.826, M.21XX, and G.821 analysis


• Error and alarm detection with summary results and automatic troublescan


• Protection switching time measurement: 50 µs accuracy, 1 µs resolution for ring and linear networks


• Service disruption measurement on ATM and POS signals

Key Features

• Multi-standard compliance testing to ITU-T and Bellcore requirements


• Thru-mode testing capability for transparent signal analysis


• Single instrument handles SDH, SONET, PDH, and packet-based protocols

Typical Applications

• Telecommunications equipment development and qualification


• Manufacturing test and acceptance


• Network component validation (interfaces, timing, error performance)


• Timing and jitter compliance verification

Compatibility & Integration Supports legacy PDH networks, modern SDH/SONET systems, and emerging ATM/POS deployments within a single test platform.