YMODEM

files in a batch transmission, and supports file transfer abort. XMODEM and YMODEM have largely been replaced by ZMODEM. See also CRC, protocol, XMODEM, and ZMODEM.

• PTT
• PTT
• public data network (PDN)
• public domain
• public IP address
• public key encryption
• public key infrastructure (PKI)
• Public Safety Access Point (PSAP)
• Public Service Commission (PSC)
• public switched telephone network (PSTN)
• public switched telephone system (PSTS)
• Public UNI (Public User Network Interface)
• Public Utility Commission (PUC)
• PUC (Public Utility Commission)
• pull
• pulse
• pulse amplitude modulation (PAM)
• pulse code modulation (PCM)
• pulse dispersion
• pulse shape
• pulse shaping
• pump laser
• pump laser
• pump laser
• PU (Physical Unit)