HwMuseum | Index

PATTON ELECTRONICS COMPANY

1075

Card Type

Modem

Chip Set

Unidentified

I/O Options

Power, DTE/DCE serial port (15-pin connector),

network interface via RJ-45 (RJ-11 optional) connector

Wiring Type

RJ-45 (RJ-11 optional) shielded twisted pair

Maximum Data Rate

64Kbps

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

AC power connector

CN1

Network interface via RJ-45 connector

CN3

DTE/DCE port (15-pin connector)

CN2

DTE/DCE strap

CN4

Note:

DTE/DCE strap is default configured for DCE interface. To change the interface to DTE, rotate the strap 180 degrees so the DTE arrows point to the 15-pin connector.

USER CONFIGURABLE SETTINGS

Setting

Label

Position

í Shield connected to signal ground

JP1

Pins 2 & 3 closed

Shield not connected to signal ground

JP1

Pins 1 & 2 closed

í Factory configured - do not alter

S1/1

Off

í Factory configured - do not alter

S1/2

Off

í Factory configured - do not alter

S1/3

Off

í Factory configured - do not alter

S1/4

Off

í Factory configured - do not alter

S1/5

Off

í Factory configured - do not alter

S1/6

Off

í Factory configured - do not alter

S1/7

Off

í Modem responds to V.54 sequence

S1/8

Off

Modem ignores V.54 sequence

S1/8

On

í Carrier forced high

S2/5

Off

Carrier follows terminal

S2/5

On

í Factory configured - do not alter

S2/6

Off

í Factory configured - do not alter

S2/7

Off

í Front panel switches enabled

S2/8

On

Front panel switches disabled

S2/8

Off

DATA RATE

Setting

S2/1

S2/2

32Kbps

Off

On

56Kbps

On

Off

í 64Kbps

On

On

TRANSMIT CLOCK SOURCE

Source

S2/3

S2/4

í Transmit clock generated internally

On

On

Transmit clock derived from terminal interface

On

Off

Transmit clock derived from receive line signal

Off

On

TEST PATTERN GENERATOR

Function

Label

Position

511 test pattern transmitted

SW4

1

Normal operation. Test pattern not activated

SW4

2

511/E test pattern transmitted (intentional errors inserted)

SW4

3

LOOPBACK TEST SELECTOR

Function

Label

Position

Remote digital loopback initiated

SW5

1

Normal operation. Loopback not activated

SW5

2

Activates local analog loopback

SW5

3

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

TD

Red

On

Data is being transmitted (low logic level, device idle)

TD

Green

On

Data is being transmitted (high logic level)

TD

Orange

On

Transmitted data is changing rapidly

TD

None

Off

Data is not being transmitted

RD

Red

On

Data is being received (low logic level, device idle)

RD

Green

On

Data is being received (high logic level)

RD

Orange

On

Received data is changing rapidly

RD

None

Off

Data is not being received

RTS

Green

On

RTS signal is high

RTS

Red

On

RTS signal is low

CD

Green

On

Carrier signal detected

CD

Red

On

Carrier signal not detected

ER

Red

On

Bit error likely in received signal or error detected in 511 or 511/E test pattern

ER

Red

Off

Error not detected

TST

Red

On

Device has been placed in test mode by local or remote user

TST

Red

Off

Device is not conducting a test