Mitel 3300 Technician's Handbook page 88

Technician's Handbook
3. Install the Formatter Card ("Install a DSU card" on
4. Test the Formatter Card (see "To Test a Formatter
Next: Go back to "Install a DSU card" on page 65".
To Install the DS1 interface assembly and cabling
If you install a DS1 Card, you must also install the
appropriate DS1 Interface Assembly and connect the
external cables.
The DS1 Interface Assembly provides two filtered
DB-15 pin connectors for the external cables required by
one DS1 Formatter Card. You can mount up to four DS1
Interface Assemblies in he DSU.
1. Attach the anti-static strap to your wrist.
2. Unpack the DS1 Interface Assembly. Inspect it to
3. Locate the slot in the DSU that corresponds to the
4. Remove the cover plate from the slot on the metal
5. Insert the DS1 Interface Assembly into the empty slot
6. Align the screw holes on the DS1 Interface Assembly
70
page 65).
Card" on page 73).
ensure that it is not damaged.
DSU slot that holds the DS1 Formatter card.
• When you are facing the rear panel, the DSU slots,
from right to left, correspond to DSU slots n/1/2 to
n/1/5 (where n is the Controller cabinet number).
box by unscrewing the two screws that hold it in
place.
in the DSU box, and plug it into the DIN connector in
the back of the DSU box.
faceplate with the screw holes in the metal box, and
fasten the faceplate to the box.
Note: The Interface Assembly faceplate may have an
extension.