OPR
Optical Power Received – The power of the light source received at the receiving end of a fiber optic system.
PDN
Packet data network – A network such as the Internet that provides data services.
Physical SIM
Subscriber Identity Module – A piece of hardware that can be inserted into SIM slot of a user equipment, for the purpose of connecting to a mobile service provided by a mobile service provider. Usually a small plastic card with a circuit on it.
PLMN
Public Land Mobile Network – It is also known as cellular network and is identified by a globally unique PLMN code.
PoP
A point of presence (PoP) is a demarcation point, access point, or physical location at which two or more networks or communication devices share a connection. Points of presence include routers, switches, servers, and other devices necessary for traffic to cross over networks.
QoS
Quality of Service – Use of mechanisms or technologies that work on a network to control traffic and ensure the performance of critical applications with limited network capacity. It enables organizations to adjust their overall network traffic by prioritizing specific high-performance applications. Learn More