CABLETRON SYSTEMS, INC.
T2015
| 
 NIC Type  | 
 Token-Ring  | 
| 
 Transfer Rate  | 
 4/16Mbps  | 
| 
 Data Bus  | 
 16-bit ISA  | 
| 
 Topology  | 
 Ring  | 
| 
 Wiring Type  | 
 Unshielded twisted pair Shielded twisted pair (DB-9 port)  | 
| 
 Boot ROM  | 
 Not available  | 

| 
 CLOCK SOURCE  | 
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| 
 Setting  | 
 JP1  | 
|
| 
 »  | 
 Clock on card (Asynchronous operation)  | 
 Pins 1 & 2 closed  | 
| 
 
  | 
 Data bus clock (Synchronous operation)  | 
 Pins 2 & 3 closed  | 
| 
 Note: On some systems the data bus timing is not truly IBM PC/AT compatible. If the card is not   | 
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| 
 I/O BASE ADDRESS  | 
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| 
 Address  | 
 SW1/1  | 
 SW1/2  | 
| 
 0A20h  | 
 On  | 
 On  | 
| 
 0A80h  | 
 Off  | 
 On  | 
| 
 1A20h  | 
 On  | 
 Off  | 
| 
 1A80h  | 
 Off  | 
 Off  | 

| 
 DIAGNOSTIC LED(S)  | 
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| 
 LED  | 
 Color  | 
 Status  | 
 Condition  | 
| 
 LED1  | 
 Yellow  | 
 On  | 
 Data is being transmitted or received  | 
| 
 LED1  | 
 Yellow  | 
 Off  | 
 Data is not being transmitted or received  | 
| 
 LED2  | 
 Green  | 
 On  | 
 Network connection is good  | 
| 
 LED2  | 
 Red  | 
 On  | 
 Network connection is broken  | 
| 
 LED3  | 
 Green  | 
 On  | 
 Card is set to 4Mbps operation  | 
| 
 LED4  | 
 Yellow  | 
 On  | 
 Card is set to 16Mbps operation  | 
| 
 Note:LED2 is a two color LED. LED2 will light red when power is first applied to the card.  | 
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