IBM DS-2000 warranty Rclk Auxin, Baudout Auxout, Auxin Rclk, Dtr Rts, Auxout Xclk, Rts/Cts

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OUTPUT CONFIGURATIONS

+

-----------

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RI

+-+

 

+------

 

+

 

 

 

 

 

 

 

 

 

 

 

DCD

+-+

 

+-+ inv. +-+

 

 

 

 

 

 

 

 

 

 

DSR

+-+

 

+------

 

+

(4,5,6

for

channel

1,

 

 

DTR

+-+----

+----

o

 

o

o

1,2,3

for

channel

2)

 

 

 

 

 

J4

 

 

 

 

+----------

 

+

 

 

 

 

RCLK

+-----------

 

 

+

 

AUXIN

RS-422

+---

+

 

 

 

 

 

+--

+--

+---------

 

 

+

Receiver +---

-

 

 

 

5

 

6 7 8

 

 

 

+----------

 

+

 

 

 

 

CTS

+----

o

 

o+ o+

o+

 

Enable

 

 

 

 

 

 

RTS

+----

o

 

o+

o+

o----------------

 

 

 

 

+

 

 

 

 

 

 

1

 

2 3 4

 

 

 

+----

+---

+

 

 

 

 

 

 

 

+--

+-------------

 

 

 

+

RS-422

+---

 

+

 

BAUDOUT

+-----------

 

 

+

 

 

AUXOUT

Driver

+---

 

-

 

+-----------

+

 

 

 

 

 

 

 

 

 

+--------

 

+

 

 

 

 

 

Figure

19. Output control block diagram.

 

 

 

 

 

 

AUXIN

 

------

+

 

+------

 

RCLK

 

 

 

 

 

 

 

 

 

CTS --+

 

 

+--

DTR

 

 

 

 

 

 

 

 

 

+-------------------

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

5

 

o+

 

o+

o+

o

 

8

 

 

 

 

 

 

 

 

 

1

 

o+

 

o+

o+

o

 

4

 

 

 

 

 

 

 

 

 

+-------------------

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

RTS

 

--+

 

 

+--

driver enable

 

 

 

 

 

 

AUXOUT

 

------

+

 

+------

 

XCLK

 

 

 

 

 

 

 

J2

_ Channel

1

 

J3

_

Channel

2

 

 

 

 

 

 

+--------------------------

 

 

 

 

 

 

+---------

 

 

+------------

 

 

+

 

 

Function

 

 

 

 

 

Connect Disconnect

 

 

 

+--------------------------

 

 

 

*

 

+---------

 

 

+------------

 

 

+

 

 

RTS/CTS

loopback

 

 

 

1-5

1-2

 

 

 

 

 

 

 

 

 

Transmit

RTS

 

 

 

 

 

 

5-6

 

6-7

 

 

 

Receive CTS

 

 

 

 

*

 

1-2

 

2-3

 

 

 

RCLK/XCLK loopback

 

 

 

3-7

2-3

 

 

 

 

 

 

 

 

Transmit

XCLK

 

 

 

 

 

 

6-7

 

5-6

 

 

 

Receive RCLK

 

 

 

 

 

 

2-3

 

1-2

 

 

 

AUX OUT/AUX IN loopback

*

2-6

5-6,6-7

 

Half duplex

*

 

 

 

 

4-8

 

 

 

 

 

Full duplex

 

 

 

 

 

 

 

4-8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+--------------------------

 

 

 

 

 

 

+---------

 

 

+------------

 

 

+

 

*Indicates factory jumper settings.

Figure 20. J2/J3 jumper layout and settings.

iii

Image 24
Contents Warranty Information Date of PurchaseSerial Number Table of Contents List FifoModem Introduction CPUII . Board Description Functional Description Functional Description III Functional Dlab Register DescriptionFunctional Description Interrupt Enable Register Functional Description Interrupt Identification Register Func Tional Description IID2 IID1 IID0 IPFunctional Description Fifo Control Register Line Control Register Parity selections STB STB WLS1 WLS0Functional Description Modem Control Register Functional Description Line Status Register FfrxTemt ThreData ready Indicates Is present Receive buffer Functional Description Modem Status Register Fifo Interrupt Mode Operation Functional Description Scratchpad RegisterBaud Rate Selection PC/XTAUD Rate Selection Addressing VI. Addressing VII InterruptsVIII. Programmable Option Select Programm Able Option Select Programmable Option Select Available interrupt levels IiiOUT PUT Configurations IX. Output Configurations Output Configurations Rclk Auxin Baudout AuxoutAuxin Rclk DTR RTSOutput Configurations Ternal Connections External Connections Installation XI. Installation XII Specifications