EXFO EPX-100 OC-3/STM-1 Transmitter

The EXFO EPX-100 OC-3/STM-1 Transmitter is a module that generates stable, reliable optical signals at OC-3/STM-1 rates for characterizing and troubleshooting optical networks. It operates as a plug-in module within EXFO EPX series chassis and provides flexible timing architecture with support for internal, BITS-timed, and external clock sources. The module enables remote operation via web browser control, simplifying setup and test execution across distributed test environments.

Technical Specifications

• Signal Rate: OC-3/STM-1 optical transmission


• Laser Classification: Class 1M laser product per IEC 60825-1 Amendment 2:2001 and 21 CFR 1040.10


• Timing Sources: Internal clock, BITS-timed clock, external clock source


• Clock Output: External clock signal for triggering external test equipment


• BITS Output: Capable of synchronizing multiple units from a single BITS source


• Frequency Counter Reference: Serves as timing reference for frequency counter measurements


• Connector Interface: Bantam (for clock source module); standard fiber optic connector for optical signal output


• Remote Control: Web browser-based operation

Key Features

• Flexible timing synchronization options support BITS distribution and external clock integration


• Clock output capability enables synchronization with oscilloscopes and external measurement instruments


• BITS output functionality allows cascading of multiple units from a single synchronization source


• Class 1M laser compliance ensures safe operation in optical network environments

Typical Applications

• OC-3/STM-1 optical network signal generation for performance validation


• Timing reference provision for frequency counter measurements


• Multi-unit synchronization via BITS distribution


• Integration with external oscilloscopes and test equipment via clock output

Compatibility & Integration The EPX-100 module is designed exclusively for EXFO EPX series chassis deployment. Standard fiber optic connectors require proper cleaning and alignment for optimal performance. Bantam connector interface accommodates clock source module integration. The module complies with EN 60825-1:1994/A2:2001, EN 61326:1997/A2:2001, and EN 55022:1998/A1:2000.