Glossary
GL-10 March 2001 3160-A2-GB24-10
V.3 5 An ITU-T standard for a high-speed, 34-position, DCE/DTE interface.
V.5 4 An ITU-T standard for local and remote diagnostic loopback tests.
V.54 Loop2 An ITU-T standard for a data channel loopback (DCLB).
V.54 Loop3 An ITU-T standard for a data terminal loopback (DTLB).
Vac Volts alternating current.
Vdc Volts direct current.
VF Voice Frequency. The part of the audio frequency range used to transmit voice sound
(usually 300Hz to 3400 Hz). This band is used by the modem for its modulated signal.
WAN Wide Area Network. A network that spans a large geographic area.
warmStart trap An SNMP trap that indicates that the device has reinitialized itself.
XTXC External Transmit Clock. V.24 circuit113.
Yellow Alarm An outgoing signal transmitted when a DS1 terminal has determined that it has lost the
incoming signal.