DIGITAL COMMUNICATIONS ASSOCIATES, INC. (DCA)
IRMATRAC TOKEN-RING ADAPTER/CONVERTIBLE
4MBPS-ONLY RING INTERFACE MODULE (RIM)
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. |