Now in Stock: PM7347-BI. Brand New, Fully Traceable and Ready to Ship!

The PM7347-BI from PMC-Sierra is a high-performance, single-chip ATM User Network Interface (UNI) built for DS3, E3, and J2 transmission systems. Part of the S/UNI®-JET SATURN® family, it combines integrated framers, versatile bypass modes, and wide-ranging interface compatibility, making it a go-to choice for demanding broadband networking environments. 

The PM7347-BI supports operations at 44.736 Mbit/s, 34.368 Mbit/s, and 6.312 Mbit/s,  and is purpose-built for DSLAM uplinks, enterprise WAN deployments, and carrier-grade telecom infrastructure. With advanced ATM mapping, full PLCP implementation, and comprehensive performance monitoring, it delivers reliable, standards-compliant networking at scale.  

Let’s explore what makes the PM7347-Bl stand out. 

Key Features of the PM7347-Bl

Multi-Rate ATM UNI Support 
Operates at DS3, E3, and J2 line rates, conforming to leading ITU-T and ATM Forum standards. 

Integrated DS3/E3/J2 Framers 
Includes on-chip framers with configurable modes and gapped clock generation for payload-only access. 

Framer Bypass Capability 
Supports direct connection to external transmission interfaces up to 52 Mbit/s, enabling ATM cell delineation. 

Standards-Based Mapping 
Implements ATM direct-cell mapping into T1, DS3, E1, E3, and J2 per ITU-T G.804. 

Flexible ATM-PHY Interfaces 
Offers SCI-PHY and UTOPIA Level 2 (8- or 16-bit) compatibility at 50 MHz for seamless system integration. 

Comprehensive PLCP Support 

Built-in Physical Layer Convergence Protocol for T1, DS3, E1, and E3 in compliance with ANSI and ETSI specifications. 

Diagnostic & Test Tools 
Features pseudo-random test pattern generation/detection and performance counters for detailed link monitoring. 

Processor-Friendly Control 
8-bit microprocessor interface for easy configuration, control, and status reporting. 

Robust Packaging & Reliability 
Packaged in a 256-pin SBGA (27×27 mm) with industrial temperature rating and 3.3 V CMOS technology (5 V-tolerant inputs). 

Applications of the PM7347-BI

• DSLAM uplinks for broadband aggregation 

• Enterprise ATM/PPP uplinks for high-performance networking 

• ATM or Frame Relay switches, multiplexers, and routers 

• DS3/E3/J2-based Internet access and leased-line interfaces 

• Carrier-grade Frame Relay interfaces 

• Telecom infrastructure and network backbones 

Why Choose Component Sense? 

At Component Sense, we specialise in the fast, reliable, and sustainable supply of brand-new, fully traceable, and counterfeit-free electronic components like the PM7347-BI. Here’s why procurement professionals trust us: 

• We offer over $1 billion worth of excess and obsolete (E&O) stock, including PMC-Sierra networking ICs like the PM7347-BI. Our constantly updated inventory means rapid BOM fulfilment and zero project delays. 

• Every part we supply is new, unused, and fully traceable to the original manufacturer. We source exclusively from tier-one OEM and EMS partners with strict quality processes to eliminate counterfeit risk. 

• Our inspection process, developed with leading Scottish universities, ensures full form, fit, and function verification. All stock comes with a 12-month warranty. 

• We reduce e-waste by redistributing E&O stock, and we plant two trees for every order, offsetting carbon for buyers and sellers alike. 

• Since 2001, we’ve delivered fast quotes (under 1 hour), same-day international shipping, and a 95% on-time delivery rate. 

When sourcing components like the PM7347-BI, choose Component Sense for authenticity, sustainability, and industry-leading service.