-
Submarine system used to transport ultra high capacity of traffic between countries.
-
Use special kind of fiber cables under sea to link countries around the world.
-
Transport wide range of traffic , internet data , voice…
-
Tubmarine system consists of:
- SLTE
- Called submarine line terminal equipment.
- Provide client interfaces support STM , sonet , OTN , Ethernet.
- Provide line interfaces with high capacity 400 G and more.
- Provide supervisory channel and control.
- PFE
- Called power feeding equipment.
- Used to supply power to devices under sea like repeater and Branching unit.
- Provide power conversation , over voltage protection , power mangment and monitoring.
- BU
- Called branching unit.
- Used to provide multiple cable connection.
- It can passively drop signals or add / drop multiplexing.
- Repeater
- Used to extend the distance of the link in transoceanic applications.
- Can amplifier multiple fiber pairs based on 1550 nm EDFA DWDM frequency.
- Up to 8 amplifier pairs cab be used in one repeater set.
- It use 980 nm pump.
- Submarine cable/ land cable
- Land cable provides the fiber line and power Transmission between beach manhole and terminal station.
- ROADM
- Flexibily add drop and passthrough traffic.
7- NMS
- It’s the network mangment system that used for login , monitoring , alarms troubleshooting the submarine system.
LinkedIn: 