U10C034 MSO User’s Manual v1.4 June 2008
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RF
Radio Frequency
SHA-1
Secure Hash Algorithm. A one-way cryptographic function which takes
a message procedures to a 160-bit message digest.
SNMP
Simple Network Management Protocol.
TDD
Telecommunication Device for the Deaf. An electronic device for text
communication via a telephone line, used when one or more the parties
has hearing or speech difficulties. Other names for TDD include TTY
(Telephone TYpewriter), textphone (common in Europe), and minicom
(U.K.).
VoIP
Telephony over IP. The AMBIT implementation of PacketCable-
compliant telephony services over an HFC network..
UGS
Unsolicited Grant Service. A Service Flow type used for applications
such as telephony in which latency and jitter are critical. Packets have a
fixed size and interval. Within the constraints of IP networking, UGS
flows attempt to deliver a constant bit rate stream of data.
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