Features & Highlights

• Allows the user to connect a E3 line from the Telephone Company and to switch it automatically between an active and a standby E3 terminal at the customer premises. The switching criterion is Loss Of Signal.
• Available in a single E3 line and a two E3 line version.
• Independent switching for each E3 line (in 2 x E3 line version).
• Built-in real-time clock / real-time logging maintains a history of all events.
• Remotely accessible over a TCP-IP networks. Allows the user to access and carry out maintenance, or / and switch the E3 line between the "active" and "standby" E3 terminals, remotely, if required.
• Dual AC (1+1 AC), or Dual -48VDC (1+1 DC) power supply inputs.
• Allows the users to install and maintain active/standby/duplicate customer premises data networks/data servers, without bearing the recurring $$ expense of leasing additional expensive E3 lines from the telephone company.
• Automatically switches the E3 link from the Telephone Company between the "active" and "standby" E3 equipment at the customer premises, according to the customer-defined criterion.
• Improves equipment and data security.
• Allows the user to co-locate the "backup / standby" equipment in a different room/building and prevent any data loss arising out of conditions of natural calamity such as fire, flooding etc.
• Increases the reliability of the customer's data/IT networks without having to bear the recurring and additional cost of leasing additional E3 lines from the telephone company. The equipment may be used to create secondary/backup systems at the customer premises to provide virtually uninterrupted service.

Application Note

• The E3 Fail-Over Switch should be used when the customer is using a single E3 line and install "active" E3 equipment and "standby" E3 equipment (such as a ROUTER) at the customers premises. The E3 Failover Switch shall automatically switch the E3 line from the telephone company between the ACTIVE E3 data server / router and the STANDBY E3 data server / router. Should the ACTIVE E3 data server / router fail or be removed from service, the E3 line from the telephone company automatically switches to the STANDBY E3 data server / router without requiring any customer or user intervention.

E3 Switching Parameter