The Fluke OC3-P1S OC3port Plus is a handheld ATM tester that delivers comprehensive verification and troubleshooting of OC3 and ATM network connections. It combines SONET and SDH framing support with advanced ATM testing capabilities, enabling field technicians and lab engineers to validate circuit operation, configuration, compliance, and interoperability across OC3 infrastructure and ATM equipment. The portable handheld design suits both on-site and laboratory deployment.
Technical Specifications
• Interface: OC3/ATM with Singlemode FC/PC optical connector
• Framing Formats: SONET and SDH
• ATM Service Classes: CBR, VBR, and UBR with programmable traffic contract parameters (PCR, SCR, MBS, CDVT)
• Physical Layer Diagnostics: OC3 Section, Line, and Path error and alarm transmission; pointer control and monitoring; common network problem detection
• ATM Traffic Analysis: Auto-detection and identification of active VPIs/VCIs; errored cell monitoring; congestion indication tracking; OAM monitoring
• Testing Modes: Passive Monitoring for non-intrusive operation; Autotest mode for automatic ATM activity location
• Advanced Functions: SVC testing; AAL type detection; custom payload programmability; OAM loopback; IP Ping capability
• Data Management: Time and date stamped alarm logging; test storage and printing
• Power: Battery operation with AC adapter provisions
– Key Features
• Dual-protocol testing combines SONET layer verification with ATM cell-level analysis
• Programmable ATM traffic emulation across all standard service classes
• Automatic VPI/VCI discovery eliminates manual circuit identification
• Physical layer diagnostics pinpoint alignment, pointer, and framing errors at OC3 section, line, and path levels
• OAM loopback and IP Ping validate end-to-end connectivity and equipment responsiveness
– Typical Applications
• OC3 circuit commissioning and acceptance testing
• ATM service verification and performance baseline establishment
• Troubleshooting OC3 physical layer faults and ATM cell delivery issues
• SVC provisioning validation
• On-site network maintenance and field diagnostics
– Compatibility & Integration
Supports SONET and SDH framing standards. Operates with CBR, VBR, and UBR service classes across OC3/ATM networks. Singlemode optical interface ensures compatibility with long-haul and metro OC3 deployments.

















