Advanced Web Communication
(4)
Slim-Link® Server
Slim-Link® Server Pin Descriptions
Pin
Signal
Model
Description
1
TD+
All
TD+ is the positive lead of the 10Base-T transmit pair. The transmit pair presents
an impedance of 100 ohms.
2
TD-
All
TD- is the negative lead of the 10Base-T transmit pair. The transmit pair presents
an impedance of 100 ohms.
3
RD+
All
RD+ is the positive lead of the 10Base-T receive pair. The receive pair presents
an impedance of 100 ohms.
4
RD-
All
RD- is the negative lead of the 10Base-T receive pair. The receive pair presents
an impedance of 100 ohms.
5
All
No Pin
6
NSTAT
All
NSTAT is an active low output which indicates the status of the LAN connection
to the Slim-Link® Server. A low indicates the LAN connection is active. The
NSTAT output can sink up to 12 milliamps to drive an LED indicator.
7
NXMT
All
NXMT is an active low output. It goes low to indicate that the Slim-Link®
Server is transmitting data onto the Local Area Network. The function of this
signal can be altered in the Ethernet Controller’s ISA Controller Status Register
7. The NXMT output can sink up to 12 milliamps to drive an LED indicator.
8
N/C
All
No Connection; reserved for future use.
9
N/C
All
No Connection; reserved for future use.
10
DIO0(TXDA)
All
This pin provides access to Programmable Input/Output 27 from the AMD186
controller. This I/O line can also be used as the Transmit Data input for Serial
Port A. Hardware Flow Control is not available on Serial Port A.
11
DIO1(RXDA)
All
This pin provides access to Programmable Input/Output 28 from the AMD186
controller. This I/O line can also be used as the Received Data output for Serial
Port A. Hardware Flow Control is not available on Serial Port A.
12
DIO2(/RTSB)
All
This pin provides access to Programmable Input/Output 20 from the AMD186
controller. This I/O line can also be used as the Request to Send output for
Serial Port B. Request to Send is used for hardware flow control. The Slim-
Link® Server deactivates Request to Send to stop the flow of data from the
peripheral equipment.
13
DIIO3(/CTSB)
All
This pin provides access to Programmable Input/Output 21 from the AMD186
controller. This I/O line can also be used as the Clear to Send input for Serial
Port B. Clear to Send is used for hardware flow control. When Clear to Send is
inactive, the Slim-Link® Server will not transmit data to the peripheral equipment.
14
DIO4(TXDB)
All
This pin provides access to Programmable Input/Output 22 from the AMD186
controller. This I/O line can also be used as the Transmit Data input for Serial
Port B.
15
DIO5(RXDB)
All
This pin provides access to Programmable Input/Output number 23 from the
AMD186 controller. This I/O line can also be used as the Transmit Data input
for Serial Port B.
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