--- type: product schema_version: 1 stock_number: "45017-18" canonical_url: "https://www.artisantg.com/TestMeasurement/45017-18/Exfo-Gnubi-EPX750-OC-12-3-STM-4-1-Payload-Monitor" json_url: "https://www.artisantg.com/TestMeasurement/45017-18/Exfo-Gnubi-EPX750-OC-12-3-STM-4-1-Payload-Monitor.json" generated_at: "2026-11-07T01:27:52.301Z" last_updated: "2026-10-20T19:05:40.410-05:00" --- # Exfo / Gnubi EPX750 OC-12/3-STM-4/1 Payload Monitor _Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._ ## Summary - Manufacturer: Gnubi - Model: EPX750 - Condition: Used and in Excellent Condition - Price: $95.00 USD - Availability: In stock, 3 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 3 lb - Shipping dimensions: 14X14X6 in ## Categories - Test Equipment > Telecom Test > Communications Equipment (primary) - Military and Embedded Equipment > Embedded & Industrial > Other Modular ## Details This Exfo / Gnubi EPX750 OC-12/3-STM-4/1 Payload Monitor is used and in excellent condition. The optional EPX750 Payload Monitor mounts directly on the EPX700. It extends the EPX700 module's capabilities with full-featured SONET/SDH payload generation and overhead insertion. Features include selectable payload mappings, expanded alarm and error insertion, trace message insertion, pointer manipulation, K1/K2 byte manipulation, and K1/K2 message encoding. ## Images -