ZENITH DATA SYSTEMS
LAN16TRF-AT
|
NIC Type |
Token-Ring |
|
Transfer Rate |
4/16Mbps |
|
Data Bus |
16-bit ISA |
|
Topology |
Ring |
|
Wiring Type |
50/62.5/100 Fiber optic cable |
|
Boot ROM |
Available |
|
CONNECTIONS |
|
|
Purpose |
Location |
|
ST Receive Connector (gray) |
CN1 |
|
ST Transmit Connector (black) |
CN2 |
|
I/O BASE ADDRESS |
||
|
Address |
SW1/1 |
SW1/2 |
|
A00 - A0Fh |
On |
On |
|
A20 - A2Fh |
Off |
On |
|
A40 - A4Fh |
On |
Off |
|
A60 - A6Fh |
Off |
Off |
|
INTERRUPT REQUEST |
||
|
IRQ |
SW1/3 |
SW1/4 |
|
3 |
On |
On |
|
9 |
Off |
On |
|
10 |
On |
Off |
|
11 |
Off |
Off |
|
BOOT ROM ADDRESS |
||
|
Address |
SW1/5 |
SW1/6 |
|
CC000 - CFFFFh |
On |
On |
|
D0000 - D3FFFh |
Off |
On |
|
D8000 - D8FFFh |
Off |
Off |
|
DC000 - DFFFFh |
On |
Off |
|
DMA CHANNEL |
||
|
Channel |
SW1/7 |
SW1/8 |
|
DMA0 |
On |
On |
|
DMA5 |
Off |
On |
|
DMA6 |
On |
Off |
|
DMA7 |
Off |
Off |
|
BOOT ROM |
||
|
Setting |
SW1/9 |
|
|
|
Disabled |
On |
|
|
Enabled |
Off |
|
NETWORK SPEED |
|
|
Speed |
SW1/10 |
|
4Mbps |
Off |
|
16Mbps |
On |
|
Note:All cards on the network segment must have this option set the same. |
|
|
LLC EPROM CONFIGURATION |
||
|
Setting |
SW1/11 |
|
|
|
ROM-based LLC |
On |
|
|
RAM-based LLC |
Off |
Note:The LLC EPROMs contain the Logic Link Control program. With the LLC ROMs disabled, the LLC logic can be loaded into RAM. The card will function properly with the LLC chips disabled. |
||
|
CABLE TYPE |
||
|
Type |
SW1/12 |
|
|
|
50/62.5/100 Fiber optic cable |
On |
|
|
Shielded Twisted Pair (DB-9 Connector) |
Off |
|
ALTERNATE CONCENTRATOR ENABLE |
||
|
Setting |
JP2 |
|
|
|
Default concentrator enabled (IEEE 802.5j) |
Pins 2 & 3 Closed |
|
|
Alternate concentrator enabled |
Pins 1 & 2 Closed |
|
BOOT ROM MEMORY |
||
|
Setting |
JP3 |
|
|
|
Boot ROM memory space required |
Closed |
|
|
Boot ROM memory space not required |
Open |
|
DIAGNOSTIC LED(S) |
||
|
LED |
Status |
Condition |
|
LED1 |
On |
Card is properly connected to MAU |
|
LED1 |
Off |
Card is not properly connected to MAU |
|
LED2 |
On |
Card is inserted into the ring |
|
LED2 |
Off |
Card is not inserted into the ring |