Pin Allocations; Asu Ii Line And Trunk Connector - Mitel 3300 ICP Hardware Technical Reference Manual

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C
3
HAPTER
to support system fail transfer. You can place them in a trunk group and use them to route calls to the
central office during normal system operation.

Pin Allocations

ASU II Line and Trunk Connector

ONS lines and LS trunks are connected using a 25-pair D-type (Amphenol) connector.
25-pair Connector Pin Allocation (Sheet 1 of 2)
Table 3.9:
Signal
Pin
24 Port
Number
ONS
1
ONS
Ring 1
2
ONS
Ring 2
3
ONS
Ring 3
4
ONS
Ring 4
5
ONS
Ring 5
6
ONS
Ring 6
7
ONS
Ring 7
8
ONS
Ring 8
9
ONS
Ring 9
10
ONS
Ring 10
11
ONS
Ring 11
12
ONS
Ring 12
16 Port
4 + 12
ONS
Combo
ONS
ONS
Ring 1
Ring 1
ONS
ONS
Ring 2
Ring 2
ONS
ONS
Ring 3
Ring 3
ONS
ONS
Ring 4
Ring 4
ONS
ONS
Ring 5
Ring 5
ONS
ONS
Ring 6
Ring 6
ONS
ONS
Ring 7
Ring 7
ONS
ONS
Ring 8
Ring 8
ONS
ONS
Ring 9
Ring 9
ONS
ONS
Ring 10
Ring 10
ONS
ONS
Ring 11
Ring 11
ONS
ONS
Ring 12
Ring 12
Signal
Pin
24 Port
Number
ONS
26
ONS Tip
1
27
ONS Tip
2
28
ONS Tip
3
29
ONS Tip
4
30
ONS Tip
5
31
ONS Tip
6
32
ONS Tip
7
33
ONS Tip
8
34
ONS Tip
9
35
ONS Tip
10
36
ONS Tip
11
37
ONS Tip
12
P
A
IN
LLOCATIONS
S
U
G
ERVICES
NITS AND
ATEWAYS
16 Port
4 + 12
ONS
Combo
ONS Tip
ONS Tip
1
1
ONS Tip
ONS Tip
2
2
ONS Tip
ONS Tip
3
3
ONS Tip
ONS Tip
4
4
ONS Tip
ONS Tip
5
5
ONS Tip
ONS Tip
6
6
ONS Tip
ONS Tip
7
7
ONS Tip
ONS Tip
8
8
ONS Tip
ONS Tip
9
9
ONS Tip
ONS Tip
10
10
ONS Tip
ONS Tip
11
11
ONS Tip
ONS Tip
12
12
52

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