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LAN16TRF-AT

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