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The Anritsu MU120021A Protocol Unit is an advanced modular card designed to expand the MP1220A ATM Quality Analyzer into powerful multi‑channel monitoring and protocol analysis capabilities. It supports up to 1023 live channels simultaneously across STM‑1/OC‑3 interfaces, providing comprehensive bit‑rate diagnostics and traffic monitoring. The module enables independent transmit and receive channel configuration, error injection, timeout control, and detailed QoS analysis, including AIS/RDI detection. With CE safety certification, it integrates seamlessly into the Anritsu platform, delivering robust protocol‑level insight for telecom‑grade ATM networks.
Ideal for telecom engineers and network operators, the MU120021A offers frame‑level metrics across SDH/SONET and ATM AAL layers, along with an intuitive on‑screen diagnostics panel. This ensures efficient protocol analysis, troubleshooting, and validation for complex ATM infrastructures.
Testwall can supply the used Anritsu MU120021A Protocol Unit, fully tested. With expert support and global delivery, Testwall ensures high‑performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Anritsu MU120021A Protocol Unit.
Returns
If you are not completely satisfied with your purchase, simply return the item to us in its original condition within 30 days of receipt.
Returned items should be unused and must be returned in original packaging with any enclosed documentation. We will issue a full refund on receipt, excluding the original delivery charge. Alternatively, if preferred, we will exchange the item.
VAT
Prices exclude VAT. Intra-Community transactions: Under the EU VAT Directive, B2B sales of goods across EU VAT borders is VAT zero-rated.
Where VAT is charged, a rate of 23% is applied.
VAT is not charged outside of the EU.
