Connecting Lines To The JM408 Expansion Module
The expansion module’s line connections are available at two modular jacks. When facing the
jack openings, lines 1 and 2 are provided by the jack on the right and lines 3 and 4 are provided
by the jack on the left.
Line Jack
Pin
Number
Connection
Telephone
Number
1
1
No Connection
2
Line 2M Tip
3
Line 1M Tip
4
Line 1MRing
5
Line 2M Ring
6
No Connection
2
1
No Connection
2
Line 4M Tip
3
Line 3M Tip
4
Line 3M Ring
5
Line 4M Ring
6
No Connection
IMI66–132
DSU II Digital Telephone System
2 – 42 Installing The DSU II Digital Telephone System
Содержание DSU II
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