MMU: Responsible for transmitting and receiving at the respective microwave frequency (normally 7…38GHz)
RAU (Radio Access Unit): Contains the actual modem that modulates the E1, E3 or STM-1 link onto the IF (Intermediate Frequency) which is put on the coaxial link towards the RAU.
CEO (Chief Executive Officer) of any organization is the highest ranking officer of that company.
COO (Chief Operating Officer) is responsible for the day to day operations of the organization. Execution of plans created and validated by CEO is responsibility of COO.
CFO (Chief Financial Officer)
CTO (Chief Technology Officer)
CMO (Chief Marketing Officer)
CIO (Chief Information Officer)
Chief Risk Officer (CRO)
Chief Sales Officer (CSO)
Chief Diversity Officer (CDO)
Chief Legal Officer (CLO)
A check valve (one-way valve) is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction.
TTR Cable is NYMHY in current standard.
Compact Circuit Breaker = Thermic Magnetic Circuit Breaker
NTSC: North America, parts of South America, Japan, Taiwan, the Philippines, and South Korea
SECAM: France, Russia, and parts of Africa
PAL: Others (China, Australia, Turkey, etc.)
PAL Display Refresh Rate: 50Hz / 100Hz
NTSC Display Refresh Rate: 60Hz / 120Hz