CSU/DSU (Channel Service Unit/Data Service Unit)

Also known as a CDSU.A combined chan-

nel service unit (CSU) and data service unit (DSU). See also CSU and DSU.

• Post Office Protocol (POP)
• Post, Telegraph, and Telephone (PTT)
• potential
• POT (Point Of Termination)
• POTS (Plain Old Telephone Service)
• pound sign
• power back-off
• power density
• powered device (PD)
• power failure cut-through
• power failure transfer
• powerline carrier (PLC)
• power over Ethernet (PoE)
• power (P)
• power sourcing equipment (PSE)
• p-persistent carrier sense multiple access (P-Persistent CSMA)
• P-Persistent CSMA (P-Persistent Carrier Sense Multiple Access)
• P-phone (Proprietary phone)
• P-phone (Proprietary phone)
• PPO (Private Paging Operator)
• PPO (Private Paging Operator)
• PPPoA (PPP over ATM)
• PPPoE (PPP over Ethernet)
• PPP over ATM (PPPoA)
• PPP over Ethernet (PPPoE)