Reference Point S

Also known as the S interface.The ISDN point of reference for the interface between

an ISDN terminal and the NT2, which is the user side of the local loop.The S interface serves to distinguish between terminal equipment and network-related functions. The S interface is defined as a passive bus on Cat 5 cable for up to 8 NT2 devices, which are intelligent and ISDN-compatible. See also Cat 5, ISDN, and NT2.

• SGCP (Simple Gateway Control Protocol)
• SGML (Standard Generalized Markup Language)
• Shannon, Claude Elwood (1916–2001)
• Shannon, Claude Elwood (1916–2001)
• Shannon, Claude Elwood (1916–2001)
• Shannon’s Law
• shared bus switch
• Shared Registry System (SRS)
• SHDSL (Symmetric High-bit-rate Digital Subscriber Line)
• sheath
• SHF (Super High Frequency)
• shield
• shielded foil twisted pair (SFTP)
• shielded twisted pair (STP)
• shift register
• Shockley,William Bradford (1910–1989)
• short haul circuit
• short haul modem
• Short Message Service Center (SMSC)
• Short Message Service (SMS)
• shortwave
• short wavelength band (S-Band)
• short wavelength (SW)
• S-HTTP (Secure Hypertext Transport Protocol)
• Si