NEC DS1000 Correspondence Course Workbook page 148

DS1000/2000 Correspondence Course
System Programming
148 DS1000/2000 Workbook
Trunks 1-12 ring extensions 300-315 on line keys 1-12. In DS2000
software versions 02.01.07 through 02.02.00, keys are undefined
for all extensions above 315.
Single line sets ring according to 1805 - Ring Assignment pro-
gramming. (By default, all single line sets are lamp only.)
DS1000
All extensions have full access on all trunks.
Trunks 4-6 require the Expansion Board.
Prior to 02.00.09
Extensions have immediate day/night ring on trunks 1-4 (line keys
1-4), and delay ring on trunks 5 and 6 (line keys 5 and 6).
2.00.09 or Higher
Extensions have immediate day/night ring on all trunks.
Trunks 1-6 ring extensions on line keys 1-6.
2.01.07 or higher
Extensions have immediate day/night ring on all trunks.
Single line sets ring according to 1805 - Ring Assignment program-
ming (just like keysets).
Trunks 1-6 ring extensions on line keys 1-6.
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