Mitel 3300 Technician's Handbook page 262

3300 ICP Technician's Handbook
Table 26: Analog Main Board/Analog Option
Port
ONS 1 - 4
ONS 3 - 4
Relay 1/2 (not
1
used)
Paging
1
Reserved for future development.
Table 27: Embedded Analog Music on Hold Connector Pinout
Conductor
Shield
Ring
Tip
Note: The Music On Hold port requires a 3.5 mm stereo jack for input signal connection.
The two input signals are equivalent to the left and right channel signals from a stereo
source and are combined internally into a single channel.
252
Board Pinouts (continued)
Pin Number
3 Ring
4 Tip
2 Contact sensor
5 Contact sensor
3 RLY1_Common
4 RLY1_NO (normally open)
6 RLY1_NC (normally closed)
2 RLY2_Common
5 RLY2_NO (normally open)
1 RLY2_NC (normally closed)
3 Paging signal
4 Paging signal
6 Not used
2 Paging relay common
5 Paging relay NO (normally open)
1 Paging relay NC (normally closed)
Signal
MOH_COM
MOH_1
MOH_2
Function
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Virtual Circuit PLID
4 1 3 1