Hardware manual

Issue 8 Electra Elite
2 - 24 System Specifications
4.10 Audible and Visual Indications
The tables in this section provide the audible and visual indications
used in the Electra Elite 192 systems.
4.10.1 Tone Patterns
Tones are used in the Electra Elite 192 systems to inform
the station user of various system functions such as, dial
tone, busy tone, or ringback tone. Table 2-11 Tone
Patterns lists the frequency and the pattern for the tones
used in the Electra Elite 192 system.
4.10.2 LED Flash Patterns
The Electra Elite 192 system provides 2-color LEDs.
Green is used primarily for I-Use conditions and for
outside calls. Red is used primarily for Other Use
conditions and internal calls. Refer to Table 2-12 Multiline
Terminal LED Flash Pattern.