Chapter 4 Selecting the media bay modules for your system 65
Installation and Maintenance Guide
Figure 26 Offsets are part of DS30 line/DN groups
1 DS30 bus supports:
16 lines (trunks)*
Offset 0
Offset 1
Offset 2
Offset 3
Each offset supports:
four lines (trunks)*
*DTM: 6 to 8 lines per offset (24 to 30 lines per DS30)
*FEM: DS30 = 1 port
four DNs (single density)
eight DNs (double density) 16 DNs/32 time slots (Partial Double Density)
32 DNs/32 time slots (Full Double Density)