The meaning of the Acronym PSDN is...

PSDN is

• Personal Support Development Network
• Public Switched Data Network

More Meanings For PSDN:

• Packet Switched Data Network
• Progress Software Developers Networktm
• Personal Support Development Network
• Public Switched Data Network
• Packet Switched Data Network

PSDN is also in:

• NASDAQ Symbols
• Networking
• Software
• Unfiled