KATRON TECHNOLOGIES, INC.
ET-16T
NIC Type | Ethernet |
Transfer Rate | 10Mbps |
Data Bus | 16-bit ISA |
Topology | Star |
Wiring Type | Unshielded twisted pair |
Boot ROM | Available |

I/O BASE ADDRESS | |||
Address | JP1A | JP1B | |
| » | 300h | Pins 2 & 3 closed | Pins 2 & 3 closed |
320h | Pins 1 & 2 closed | Pins 2 & 3 closed | |
| 340h | Pins 2 & 3 closed | Pins 1 & 2 closed | |
360h | Pins 1 & 2 closed | Pins 1 & 2 closed | |
COMPATIBILITY MODE | ||
Setting | JP1C | |
| » | Disabled | Pins 2 & 3 cosed |
Enabled | Pins 1 & 2 closed | |
Note:On some systems the data bus timing is not truly IBM PC/AT compatible. If the card is not initializing, enabling compatibility mode may allow the card to operate properly.
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BOOT ROM ADDRESS | ||||
Address | JP1D | JP1E | JP1F | |
| » | C0000 - C1FFFh | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
C4000 - C5FFFh | PIns 1 & 2 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | |
C8000 - C9FFFh | Pins 2 & 3 closed | PIns 1 & 2 closed | Pins 2 & 3 closed | |
CC000 - CDFFFh | PIns 1 & 2 closed | PIns 1 & 2 closed | Pins 2 & 3 closed | |
D0000 - D1FFFh | Pins 2 & 3 closed | Pins 2 & 3 closed | PIns 1 & 2 closed | |
D4000 - D5FFFh | PIns 1 & 2 closed | Pins 2 & 3 closed | PIns 1 & 2 closed | |
D8000 - D9FFFh | Pins 2 & 3 closed | PIns 1 & 2 closed | PIns 1 & 2 closed | |
DC000 - DDFFFh | PIns 1 & 2 closed | PIns 1 & 2 closed | PIns 1 & 2 closed | |
BOOT ROM | ||
Setting | JP1G | |
| » | Disabled | Pins 2 & 3 Closed |
Enabled | Pins 1 & 2 Closed | |
INTERRUPT REQUEST | ||||||||
IRQ | JP2A | JP2B | JP2C | JP2D | JP2E | JP2F | JP2G | |
2/9 | Open | Open | Open | Open | Open | Open | Closed | |
| » | 3 | Open | Open | Open | Open | Open | Closed | Open |
4 | Open | Open | Open | Open | Closed | Open | Open | |
5 | Open | Open | Open | Closed | Open | Open | Open | |
10 | Open | Open | Closed | Open | Open | Open | Open | |
11 | Open | Closed | Open | Open | Open | Open | Open | |
12 | Closed | Open | Open | Open | Open | Open | Open | |
CONNECTORS | |
Function | Location |
External LED1 | JP4 |
Note:The external LED1 functions exactly as LED1 in the following table. | |

DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
LED1 | Green | On | Twisted pair network connection is good |
LED1 | Green | Blinking | Twisted pair network connection is broken |
LED2 | Yellow | Constantly On | Twisted pair receive wires are reversed and corrected |
LED2 | Yellow | Intermittent Blinking | Card is transmitting for an extended time |
LED2 | Yellow | Off | Normal operation |
LED3 | Green | On | Data is being transmitted or received |
LED3 | Green | Off | Data is not being transmitted or received |
LED4 | Yellow | On | Collision detected on network |
LED4 | Yellow | Off | Normal operation |