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Model 4428 DB9 A/B Switch with Serial Remote Control

PathWay Model 4428 is a DB9 A/B Switch with Serial Remote Control that allows the switching of ANY two DB9 devices from one COMMON DB9 device.

Manufacturer - Electro Standards Laboratories
Model # - 4428
SKU - 305428
Submitted By - Electro Standards Laboratories (Manufacturer)
Country - United States
Category - Network Switch : A/B Switches : DB9/RS232

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Port Connectors :   (3) DB9 female connectors
Front Panel Control :   (1) Manual Pushbutton
Display :   (2) Front panel LED's
Remote Control :   (1) DB9 accepts ASCII RS232 Serial Data
Power :   UL approved 120VAC, 60 Hz wall mount


Model 4428 DB9 A/B Data Switch with Serial Remote Control

Switch ANY DB9 interface device to share or backup.

The PathWay® Model 4428 DB9 A/B switch provides A/B switching in a low profile desktop unit. It allows the user to access two DB9 interface devices connected to the A and B ports from one DB9 device connected to the COMMON port.

The switch may be controlled locally by manually operating a front panel pushbutton. The switch may be operated remotely via its RS232 serial interface REMOTE port located on the rear of the unit. Since all 9 pins of the DB9 interface are switched, the Model 4428 is applicable to ANY DB9 device.


Allows access to two DB9 devices from one COMMON DB9 device.
Switches all 9 pins of the DB9 interface.
Eliminates the need to plug and unplug cables.
Transparent to data speed and format.
Local control via front-panel pushbutton.
Remote control port allows off-site monitoring and switch management.
The REMOTE port accepts RS232 Serial Data ASCII commands for switch position control and monitoring.
Front-panel pushbutton control can be locked out, remotely.
Front-panel LED's display switch position and power status.
Retains last switch position in the event of power loss and continues to pass data.
Attractive anodized black box packaging provides EMI/RFI shielding.
Custom length DB9 cables available for your switch installation.

PORT CONNECTORS: (3) DB9 (F) connectors labeled A, B, and COMMON.
FRONT PANEL CONTROL: (1) Manual pushbutton allows local switching.
DISPLAY: (2) Front panel LED's display switch position and power status.
REMOTE CONTROL: (1) DB9 Female connector on rear panel accepts ASCII RS232 Serial Data for remote control operation.
POWER: UL approved 120 VAC, 60 Hz wall mount power module supplies 12 VDC, 500mA to the unit.
DIMENSIONS: Desktop 8.0" W x 2.2" H x 7.25" D (20.3 x 5.6 x 18.4 cm).
WEIGHT: Approximately 2.0 lbs (0.9 Kg)


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