--- type: product schema_version: 1 stock_number: "99341-10" canonical_url: "https://www.artisantg.com/TestMeasurement/99341-10/3COM-3C509B-C-EtherLink-III-Network-Card" json_url: "https://www.artisantg.com/TestMeasurement/99341-10/3COM-3C509B-C-EtherLink-III-Network-Card.json" generated_at: "2026-11-07T02:20:59.048Z" last_updated: "2026-08-21T11:45:40.913-05:00" --- # 3COM 3C509B-C EtherLink III Network Card _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: 3COM - Model: 3C509B-C EtherLink III - Condition: Used and in Excellent Condition - Price: Quote only - Availability: Not in Stock - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 5 lb - Shipping dimensions: 14X14X6 in ## Categories - Test Equipment > Electrical Test > Adapters (primary) - Test Equipment > Electrical Test > Ethernet - Military and Embedded Equipment > Embedded & Industrial > ISA ## Details Part Number: 03-0021-004 ## Images - - -