SERIES II INTELLIGENT DATA/FAX MODEMS

6.Singapore

a)Command/indication modifications

1.Dialing digit ‘=’ means wait for dialtone (acts the same as ‘:’ in dialing string)

b)Delay and Forbidden list behavior

1.5 retries without delay

2.2 minute delay between next 4 retries

3.After 9 retries the number is put on the forbidden list

4.120 minute timer is started on entry to delay list

5.When it runs out, the number is removed from whichever list it is on.

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Black Box MD1641A, MD1640A manual Singapore