Card Type

X.25 Serial

Processor

IDT R3051

Processor Speed

20MHz

Chipset

Unidentified

Maximum Onboard Memory

1MB dual-ported RAM/256KB DRAM

I/O Options

Serial ports (2)

Data Bus

16-bit ISA

CONNECTIONS

Function

Label

Function

Label

V.11, V.24, V.35, or V.36 serial port 1 via DB-15 connector

CN1

V.11, V.24, V.35, or V.36 serial port 2 via DB-15 connector

CN2

USER CONFIGURABLE SETTINGS

Setting

Label

Position

»

Factory configured - do not alter

J1

Pins 1 & 2 closed

»

Factory configured - do not alter

SW1/4

On

BASE I/O ADDRESS SELECTION

Setting

SW1/1

SW1/2

SW1/3

118h

Off

On

Off

128h

Off

On

On

208h

On

Off

Off

228h

On

Off

On

308h

On

On

Off

328h

On

On

On

BREAK

Type:

Immediate

Format:

BREAK

Abbreviation:

B

Description:

Sends a break signal to the remote system.

BREAK ACTION

Type:

Configuration

Format:

BREAKACTION n

Abbreviation:

BRA

Description:

Sets the PAD’s response to an issued break command.

Command

Function

BRA 0

No action taken.

BRA 1

Interrupt signal sent.

BRA 2

Reset sent.

BRA 5

Interrupt signal and break indicator sent.

BRA 8

PAD returned to command mode.

BRA 12

Interrupt signal and break indicator sent; buffers cleared.

BREAKIN CHARACTER

Type:

Configuration

Format:

BREAKIN

Abbreviation:

None

Description:

Sets the character used to signal the PAD for a command. The user will be prompted for a new character.

CALL

Type:

Immediate

Format:

CALL r . ssss . t . uuuu ~ vvvv p w / x w y / z fr qmmmm N nnnn T oooo

Abbreviation:

C

Description:

Calls the X.25 network station indicated by ssss .

Arguments are shown above in italics; command text shown in bold. All arguments after r . ssss are optional.

Command

Function

r =A

Call is placed to subnet A.

r =B

Call is placed to subnet B.

»

t =N

Address specified by uuuu is an NSAP address.

t =X

Address specified by uuuu is a non-OSI address.

uuuu

Specifies the address to dial.

vvvv

Specifies the Call User Data passed to the remote host.

w

Specifies the incoming packet size.

x

Specifies the outgoing packet size.

y

Specifies the incoming window size.

z

Specifies the outgoing window size.

f

Enables fast select.

r

Requests reversed charges.

q =B

Closed User Group specified by mmmm is bilateral.

q =G

Closed User Group specified by mmmm is multi-user.

mmmm

Specifies the Closed User Group to join.

nnnn

Specifies the Network User Identifier for security and billing.

oooo

Specifies the Recognized Private Operating Agency information.

CLEAR

Type:

Immediate

Format:

CLEAR

Abbreviation:

CLR

Description:

Terminates the current X.25 connection.

ECHO

Type:

Configuration

Format:

ECHO xx

Abbreviation

E

Description:

Selects whether the PAD will echo back transmitted characters.

Command

Function

»

E ON

Echo enabled.

E OFF

Echo disabled.

CONTROL CHARACTER MASK

Type:

Configuration

Format:

EMASK n

Abbreviation:

EM

Default:

192

Range:

0 - 255

Description:

Selects which control characters will be trapped and not echoed to the screen.

Bit

Value

Function

0

1

CR character not echoed.

1

1

LF character not echoed.

2

1

VT, HT, and FF characters not echoed.

3

1

BEL and BS characters not echoed.

4

1

ESC and ENQ characters not echoed.

5

1

ACK, NAK, STX, SOX, EOT, ETB, and ETX characters not echoed.

6

1

DEL, CAN, DC2 characters not echoed.

7

1

All other control characters not echoed.

FLOW CONTROL

Type:

Configuration

Format:

FLOW xx

Abbreviation:

F

Description:

Selects whether the PAD will use XON/XOFF flow control.

Command

Function

»

F ON

Flow control enabled.

F OFF

Flow control disabled.

FORWARDING CHARACTERS

Type:

Configuration

Format:

FORWARD n

Abbreviation:

FOR

Default:

48

Range:

0 - 127

Description:

Selects which characters will be used as forwarding characters.

Bit

Value

Function

0

1

Alphanumeric characters used for forwarding.

1

1

CR used for forwarding.

2

1

ESC, BEL, ENQ, and ACK used for forwarding.

3

1

DEL, CAN, and DC2 used for forwarding.

4

1

EXT and EOT used for forwarding.

5

1

HT, LF, VT, and FF used for forwarding.

6

1

All other control characters except BS, XON, and XOFF used for forwarding.

INTERRUPT

Type:

Immediate

Format:

INT

Abbreviation:

None

Description:

Sends an interrupt signal to the remote host.

LINE FEED

Type:

Configuration

Format:

LFINSERT n

Abbreviation:

LF

Default:

6

Range:

0 - 7

Description:

Sets when the PAD will add line feeds to carriage returns.

Bit

Value

Function

0

1

Line feed added after received CR.

1

1

Line feed added after transmitted CR.

2

1

Line feed added after echoed CR.

DIAGNOSTIC LOGGING

Type:

Immediate

Format:

LOGHOST xx

Abbreviation:

LOG

Description:

Configures the PAD to display all X.29 messages in hexadecimal dump format for diagnostic purposes. In each pair of two-digit hexadecimal numbers displayed, the first is the parameter and the second is the value it was set to.

Command

Function

»

LOG off

X.29 logging disabled.

LOG on

X.29 logging enabled.

MODE - MESSAGE

Type:

Immediate

Format:

MESSAGE

Abbreviation:

MES

Description:

Commands the PAD to enter message mode.

This is the default mode of operation.

MODE - NATIVE

Type:

Immediate

Format:

NATIVE

Abbreviation:

NAT

Description:

Commands the PAD to enter native mode.

MODE - TRANSPARENT

Type:

Immediate

Format:

TRANSPARENT

Abbreviation:

TRA

Description:

Commands the PAD to enter transparent mode.

PAGE WAIT

Type:

Configuration

Format:

PAGEWAIT n

Abbreviation:

PW

Description:

Sets the number of lines the PAD will display before pausing and waiting for the user to press the space bar.

DISPLAY PARAMETER

Type:

Immediate

Format:

PARAM? a , b , c , d ...

Abbreviation:

PAR?

Description:

Displays the settings for the X.3 parameters listed. If no parameters are given, the entire configuration will be displayed.

TERMINAL TYPE - PRINTER

Type:

Configuration

Format:

PRINTER

Abbreviation:

PRT

Description:

Configures the PAD for a printer terminal type.

TERMINAL TYPE - VIDEO

Type:

Configuration

Format:

VDU

Abbreviation:

None

Description:

Configures the PAD for a video display terminal type.

TERMINAL PROFILE

Type:

Configuration

Format:

PROFILE xx

Abbreviation:

PROF

Description:

Sets the terminal options according to the profile specified.

RESET

Type:

Immediate

Format:

RESET

Abbreviation:

RST

Description:

Sends a reset signal to the remote host.

SET PARAMETER

Type:

Immediate

Format:

SET? a : x , b : y , c : z ...

Abbreviation:

None

Description:

Sets parameter a to x , parameter b to y , and so on. The second form will return the same output as if a PAR command had been issued with those parameters as arguments. If an illegal value is entered, the PAD will return PAR p :INV where p is the parameter with the illegal value.

DISPLAY STATUS

Type:

Immediate

Format:

STATUS xx

Abbreviation:

STAT

Description:

Displays current connection statistics.

Command

Function

STAT

Displays information about the current connection only.

STAT all

Displays information about the current connection and settings for that connection.

SCREEN WIDTH

Type:

Configuration

Format:

WIDTH n

Abbreviation:

WID

Default:

80

Range:

20 - 255

Unit:

1 character

Description:

Sets the character width of the terminal for line wrap.