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CONTROLWARE COMMUNICATIONS SYSTEMS, INC.

E-LINK IV

Card Type

Modem (synchronous/asynchronous)

Chipset

Unidentified

Maximum Data Rate

128Kbps (64Kbps for V.24)

Data Modulation

Proprietary

Data Bus

Serial

CONNECTIONS

Function

Label

Function

Label

RESET button

BT1

DC power in

CN9

TEST button

BT2

Header to daughterboard J3

J1

Analog Loopback Test button

BT3

Header to interface board J4, J5, or J6

J2

TEST button

BT4

Header to main board J1

J3

Line out via ADO-8 jack

CN1

Header to main board J2

J4

V.24 serial port

CN2

Header to main board J2

J5

DC power in

CN3

Header to main board J2

J6

Line out via ADO-8 jack

CN4

1A fuse

F1

V.35 serial port

CN5

1A fuse

F2

DC power in

CN6

800mA fuse

F3

Line out via ADO-8 jack

CN7

800mA fuse

F4

X.21 serial port

CN8

800mA fuse

F5

Note: The V.24 daughterboard has a maximum line speed of 64Kbps.

USER CONFIGURABLE SETTINGS

Setting

Label

Position

í Serial interface PS2 signal has no effect

S1/1

Off

Serial interface PS2 signal generates remote digital loopback test

S1/1

On

í Serial interface PS3 signal has no effect

S1/2

Off

Serial interface PS3 signal generates analog loopback test

S1/2

On

í Factory configured - do not alter

S1/3

Off

í Factory configured - do not alter

S1/4

Off

í Modem ignores RTS after 10 seconds of synchronization loss

S1/5

On

Modem does not ignore RTS after 10 seconds of synchronization loss

S1/5

Off

í Loopback tests automatically disabled after 20 seconds

S1/6

On

Loopback tests not disabled after 20 seconds

S1/6

Off

í Factory configured - do not alter

S1/7

On

í Factory configured - do not alter

S1/8

Off

S2 TO M2 SIGNAL DELAY AND M5 SIGNAL CONFIGURATION

Delay

M5 Signal

SC1

20 mS

Constant

Position 3

20 mS

Switched

Position 7

30 mS

Constant

Position 2

30 mS

Switched

Position 6

60 mS

Constant

Position 1

60 mS

Switched

Position 5

í Constant

Constant

Position A

Constant

Switched

Position F

M1 SIGNAL CONFIGURATION

Setting

SC2

í Forced high

Position 0

Dependent on remote S1 signal

Position 1

Dependent on line

Position 2

Dependent on remote S1 signal and line

Position 3

Dependent on test

Position 4

Dependent on remote S1 signal and test

Position 5

Dependent on line and test

Position 6

Dependent on remote S1 signal, line, and test

Position 7

Dependent on local S1 signal

Position 8

Dependent on remote and local S1 signals

Position 9

Dependent on line and local S1 signal

Position A

Dependent on remote and local S1 signals and line

Position B

Dependent on test and local S1 signal

Position C

Dependent on remote and local S1 signals and test

Position D

Dependent on line, test, and local S1 signal

Position E

Dependent on remote and local S1 signals, line, and test

Position F

Note: This switch has no function when the X.21 interface board is installed.

CLOCK SOURCE SELECTION

Source

Type

SC3

External

Master

Position 1

í Clock loop

Slave

Position 2

Internal

Master

Position 3

LINE SPEED SELECTION

Synchronous

Asynchronous

SC4

4800bps

N/A

Position 6

8000bps

N/A

Position 7

í 9600bps

N/A

Position 8

16Kbps

N/A

Position 9

19.2Kbps

N/A

Position A

32Kbps

N/A

Position B

38.4Kbps

N/A

Position C

64Kbps

0 to 9600bps

Position D

76.8Kbps

N/A

Position E

128Kbps

0 to 19.2Kbps

Position F

LOOPBACK PATTERN SELECTION

Setting

SC5

í Pattern 0

Position 0

Pattern 1

Position 1

Pattern 2

Position 2

Pattern 3

Position 3

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

ERR

Red

On

Error condition detected

ERR

Red

Blinking

Error condition detected

ERR

Red

Off

Error condition not detected

ON

Green

On

Power is on

ON

Green

Off

Power is off

TXD

Green

Blinking

Modem is transmitting data

TXD

Green

Off

Modem is not transmitting data

RXD

Yellow

Blinking

Modem is receiving data

RXD

Yellow

Off

Modem is not receiving data

RTS

Green

On

RTS signal is high

RTS

Green

Off

RTS signal is low

DCD

Yellow

On

Carrier signal detected

DCD

Yellow

Off

Carrier signal not detected

TEST

Red

On

Self-test in progress

TEST

Red

Off

Self-test not in progress

AL

Red

On

Analog loopback test in progress

AL

Red

Off

Analog loopback test not in progress

RDL

Red

On

Remote digital loopback test in progress

RDL

Red

Off

Remote digital loopback test not in progress