
SDM-9220/9230 Hardware Installation Guide
5-14
Memotec Inc.
• Up to 2 FXS interface cards can be installed in the SDM-9220, or 3 in the SDM-
9230, providing up to 12 analog FXS voice ports in a single unit.
NOTE:
To interpret the status LEDs on these interface cards, refer to
.
Caution:
Use a two-wire cable for FXS connections.
In rare circumstances, your
telephone or fax may not work if you use a four-wire cable. Should this occur,
replace the four-wire cable with a two-wire cable
. If the problem persists, contact
NetPerformer Technical Support.
NOTE:
You must install a ferrite on each cable connected to an FXS port on an
SDM-9220 UAC or SDM-9230 UAC installed in the European Union or
Russia.
These ferrites are
not
provided with the product package. For instruc-
tions, turn to
“Installing the Ferrites (EMI Filters)” on page 4-24
.
Figure 5-5: The Dual FXS interface card (top)
Figure 5-6: The Quad FXS interface card (bottom)
Содержание NetPerformer SDM-9220 Series
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