E1 Protection Switch

Last updated: 18 ธ.ค. 2560  |  2488 จำนวนผู้เข้าชม  | 

E1 Protection Switch

The VCL-SafeComm, 8 E1 Links (24 E1 Ports), 1+1 Automatic Protection Switching Equipment may be used to protect upto 8 E1 Links (24 E1 Ports), point-to-point links and provide an alternate communication route to each E1 . Link between any two E1 points In the event of thefailure of the primary (Main) E1 communication route, the VCL-SafeComm, 8 E1 Links (1+1 Automatic Protection Switching Equipment) automatically switches the E1 traffic to a secondary (standby) E1 route.

The VCL-SafeComm, 8 E1, 1+1 Automatic Protection Switching equipment is available in a 2U high chassis, which may be mounted in any DIN standard,19-Inch rack.

This product allows the user to design 1+1 (protected) redundant E1 routes on similar (fiber-fiber), or complementing (fiber-radio) transmission mediums.

The criterion for switching between the primary (main) and the secondary (protected / standby) routes is user programmable. Criterion for switching between the primary (main) and the secondary (protected / standby) routes may be Loss-Of-Signal on E1 links, or AIS (All-Ones AIS alarm) condition. The criterion for switching time and recovery time between the primary (main) and the secondary (protected / standby) routes is user programmable.

Data transported on the E1 Links is transparent and protocol independent.

Applications:

Providing 1+1 alternate paths between any two E1 Transmission mediums (active+standby). E.g.:

  • Fiber/Fiber
  • Radio/Fiber
  • Radio/HDSL
  • Fiber/HDSLetc

Example: The user may deploy the VCL-SafeComm, 8 E1, 1+1 Automatic Protection Switching Equipment to provide an alternate communication route between an optical fiber link and a radio link between any two points. In the event of the failure of the primary (optical fiber) link the E1 is automatically switched to the alternate route over the E1 radio, thus ensuring maximum uptime on all such 1+1 protected E1 Links.

Once the primary (optical fiber) E1 Link on the optical fiber is restored, the VCL-SafeComm, 8 E1, 1+1 Automatic Protection Switching Equipment automatically restores the communication to the primary (optical fiber) E1 Link. The switching time and restoration criterion is user programmable.

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