DCA
Irmatrac Token Ring Adapters -- Available!
DIGITAL
COMMUNICATIONS ASSOCIATES, INC. (DCA)
IRMATRAC TOKEN-RING ADAPTER/CONVERTIBLE
4MBPS-ONLY RING INTERFACE MODULE (RIM)
| Internal P/N | Description | IN STOCK QTY | |
| DCA/011363 | DCA IRMA TRAK CONVERSION KITS | 7 | |
| DCA-IRMATRAC | DCA IRMATRAC CONVERTABLE TOKEN RING CARD | 249 |
Technical Information
| NIC Type | Token-Ring |
| Transfer Rate | 4/16Mbps |
| Data Bus | 16-bit ISA/MCA |
| Topology | Ring |
| Wiring Type | Unshielded twisted pair
Shielded twisted pair (DB-9 port) |
| Boot ROM | Available |
|
I/O BASE ADDRESS |
||
|
Address |
JP1 |
|
| ? |
0A20 - 0A3Fh |
Pins 1 & 2 closed |
|
1A20 - 1A3Fh |
Pins 2 & 3 closed |
|
|
CONNECTIONS |
|
|
Purpose |
Location |
|
Ring Interface Module (RIM) |
CON1 |
|
CABLE TYPE |
||
|
Type |
JP2A - D |
|
| ? |
Unshielded twisted pair |
Pins 1 & 2 closed |
|
Shielded twisted pair (DB-9 port) |
Pins 2 & 3 closed |
|
|
CONNECTIONS |
|
|
Purpose |
Location |
|
Backplane Adapter |
CON1 |
|
MISCELLANEOUS NOTES |
|
Although the backplane adapter can have a 4/16Mbps or 4Mbps-only Ring Interface Module (RIM), the 4Mbps-only RIM is diagrammed because the 4/16Mbps RIM does not have jumpers. |
| DCA/011363 | DCA IRMA TRAK CONVERSION KITS |
| DCA-IRMATRAC | DCA IRMATRAC CONVERTABLE TOKEN RING CARD |