CABLETRON SYSTEMS, INC.
E221W
| 
 NIC Type  | 
 Ethernet  | 
| 
 Transfer Rate  | 
 10Mbps  | 
| 
 Data Bus  | 
 16-bit ISA  | 
| 
 Topology  | 
 Linear bus Star  | 
| 
 Wiring Type  | 
 Wireless Unshielded twisted pair  | 
| 
 Boot ROM  | 
 Available  | 
| 
 DIAGNOSTIC LED(S)  | |||
| 
 LED  | 
 Color  | 
 Status  | 
 Condition  | 
| 
 LED1  | 
 Green  | 
 Blinking  | 
 Data is being transmitted  | 
| 
 LED1  | 
 Green  | 
 Off  | 
 Data is not being transmitted  | 
| 
 LED2  | 
 Red  | 
 Blinking  | 
 Collision detected  | 
| 
 LED2  | 
 Red  | 
 Off  | 
 No collision  | 
| 
 LED3  | 
 Yellow  | 
 Blinking  | 
 Data is being received  | 
| 
 LED3  | 
 Yellow  | 
 Off  | 
 Data is not being received  | 
| 
 LED4  | 
 Green  | 
 On  | 
 Network connection is good  | 
| 
 LED4  | 
 Green  | 
 Off  | 
 Network connection is broken  | 
| 
 Note: LED2 is always off in full duplex mode.  | |||