Mitel SX-200 EL Technician's Handbook page 124

Technician's Handbook
6. Form 13, Options Subform
Set the "DTMF" option to "No"
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If you are connecting the ISDN trunk to a Toll Office, set the Toll
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Office option to "Yes".
If you are connecting the ISDN trunk to a Local Office, set the
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Toll Office option to "No", and set the "Is a CO?" option to "Yes".
The Toll Office setting takes precedence over the Local Office
setting. Also, if neither "Toll Office" nor "Is a CO?" is set to
"yes", the switch assumes a digital TIE trunk is connected.
Set the Debounce Timer to 100 milliseconds.
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Set the Incoming Start Type to WINK.
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Set the Outgoing Start Type to WINK.
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7. Form 14, Non Dial-In Trunks OR Form 15, Dial-In Trunks
Define the incoming ISDN trunk as a non-dial-in trunk in Form
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14, or as a dial-in trunk in Form 15. You cannot program a trunk
into both Form 14 and Form 15.
8. Form 16, Trunk Groups
Assign the ISDN trunks to a trunk group. The trunk group
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number that you program for the ISDN trunks in this form must
match the trunk group numbers that you program for the ISDN
trunks in the PRI card bay.
9. Form 42, T1 Link Descriptor
Select a T1 Link Descriptor for the ISDN trunks in Form 42. In
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the Link Descriptor Options Subform, enter the following values
for the T1 Link Descriptor:
Alarm debounce timer (300-3200)
B8ZS zero code suppression
Slip rate - maintenance limit (0-9000)/24 hrs
Slip rate - service limit (0-9000)/24 hrs
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Option Name Value
500
YES
255
7000
(Sheet 1 of 2)