3Com 3C509B-C
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				| 3Com EtherLink III | |
| 
 | |
| WikiDevi.wi-cat.ru | 3Com 3C509B-C | 
|---|---|
| Wikipedia | 3Com | 
| Platform | |
| Brand • Model • Rev | 3Com 3C509B-C A1 | 
| Interface | ISA | 
| Connector | ISA | 
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| 
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| 
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| Chip1 | 3Com 40-0130-002 | 
| Ethernet Port Count | 1-10MbE | 
| Ethernet connector | 8P8C, BNC, AUI | 
| Wired Standard | IEEE 802.3i | 
| Auto-MDIX | unspecified | 
| Other | |
Flags:  | |
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| Retail | |
| FCC approval date | 14 November 1994 | 
| ASIN | 
B000MM39SG  | 
| Country of manuf | USA | 
| Physical | |
| Power LED color/ function tag  | none | 
| Media connection/ activity LED color/ function tag  | none | 
| Media speed LED color/ function tag  | none | 
| Media duplex LED color/ function tag  | none | 
3Com not currently documented.
For a list of all currently documented 3Com devices with specifications, see 3Com.
Overview
The 3Com logo (big), "EtherLink III", "(C) 1994 3C509B-"<handwritten C>, "ALL RIGHTS RESERVED", "ASSY 03-0021-"<handwritten 001>"REV-"<handwritten A1>, "FCC ID: DF63C509B", amd "10Mbps Signalling Rate" is silkscreened on top of the card.
- "FAB: 02-0021-001 REV A" and "[3095] PCBC FR4"... is etched onto the bottom layer of the card.
 - The Ethernet controller is labeled with...
- Parallel Tasking
 - 3Com
 - 40-0130-002
 - 9520S 22302553
 - AT&T 40-01302