3COM CORPORATION
EtherLink/MC TP 3C523B-TP (Assy.#6852)
| 
 NIC Type  | 
 Ethernet  | 
| 
 Transfer Rate  | 
 10Mbps  | 
| 
 Data Bus  | 
 16-bit MCA  | 
| 
 Topology  | 
 Linear Bus Star  | 
| 
 Wiring Type  | 
 Unshielded twisted pair DIX transceiver via DB-15 port  | 
| 
 Boot ROM  | 
 Available  | 
| 
 DC CONVERTER ENABLE  | ||
| 
 Setting  | 
 JP1  | |
| » | 
 DC signal disabled (10Base-T standard)  | 
 Pins 1 & 2 Closed  | 
| 
 DC signal enabled (non 10Base-T network)  | 
 Pins 2 & 3 Closed  | |
| 
 TRANSMIT LEVEL  | ||
| 
 Setting  | 
 JP2  | |
| » | 
 Transmit level select normal (10Base-T standard)  | 
 Pins 1 & 2 Closed  | 
| 
 Transmit level select low (non 10Base-T network)  | 
 Pins 2 & 3 Closed  | |
| 
 TWISTED PAIR IMPEDANCE  | ||||
| 
 Impedance  | 
 JP3  | 
 JP4  | 
 JP5  | 
 JP6  | 
| 
 75ohm  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 100ohm  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
| 
 150ohm  | 
 Pins 3 & 4 closed  | 
 Pins 3 & 4 closed  | 
 Pins 3 & 4 closed  | 
 Pins 3 & 4 closed  | 
| 
 LINK TEST ENABLE  | |
| 
 Setting  | 
 JP7  | 
| 
 Link test enabled (10Base-T standard)  | 
 Pins 1 & 2 Closed  | 
| 
 Link test disabled (non 10Baset-T network)  | 
 Pins 2 & 3 Closed  | 
| 
 Note:The link test is only valid when the cable type is twisted pair.  | |
| 
 RECEIVE LEVEL  | ||
| 
 Setting  | 
 JP8  | |
| » | 
 Receive level select normal (10Base-T standard)  | 
 Pins 1 & 2 Closed  | 
| 
 Receive level select low (non 10Base-T network)  | 
 Pins 2 & 3 Closed  | |
| 
 TRANSCEIVER EQUALIZATION  | ||
| 
 Setting  | 
 JP9  | |
| » | 
 Transmitter Equalization enabled (10Base-T standard)  | 
 Pins 1 & 2 Closed  | 
| 
 Receiver Equalization enabled (non 10Base-T network)  | 
 Pins 2 & 3 Closed  | |
| 
 MISCELLANEOUS NOTES  | 
| 
 The interrupt request and cable type are set using the software that comes with the card.  |