Press release
Model 4428 Switches Any DB9 Interface Device Among 2 Others for Sharing or Backing Up Equipment or Networks
Model 4428 DB9 A/B Switch
The Model 4428 features three DB9 female connectors labeled A, B, COMMON on the rear panel of the unit and two red LED’s that display switch position and power status on the front of the unit. All nine pins of the DB9 interface are switched and the switch ports are transparent to all data speed and format. The DB9 REMOTE port accepts ASCII RS232 Serial data so the user can control and monitor the switch off-site. This unit also features a UL approved 120VAC, 60 Hz wall mount power module that supplies 12 VDC, 500mA to the unit.
This dependable DB9 data network switch also maintains last set position on power loss and continues to pass data. This compact, desktop switch has dimensions of 8.0” W x 2.2” H x 7.25” D and weighs approximately 2.0 lbs (0.9 kg). Its attractive anodized black box packaging also provides EMI/RFI shielding. To view more about Model 4428 or download a spec sheet, visit: http://www.electrostandards.com/ProductDetail/?productid=2129
For a catalog of Electro Standards’ Network Switches, call 401-943-1164, email eslab@ElectroStandards.com, or visit www.ElectroStandards.com. All Electro Standards Network Switches are available for export. Government Agencies contact Electro Standards for GSA pricing on COTS (Commercial-Off-The-Shelf) network switches.
ESL is raising the bar with state-of-the-art products: complex network switches, high-speed ruggedized data acquisition products, and MIL spec cables.
Electro Standards Laboratories
36 Western Industrial Drive
Cranston, RI 02921
Press Contact: Tina Corticelli
Email: tcorticelli@lab.electrostandards.com
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