Universal e&m/ptt interface card, The e&m interface card -16 – Comtech EF Data SDM-9220 User Manual
Page 94
SDM-9220/9230 Hardware Installation Guide
5-16
Memotec Inc.
To interpret the status LEDs on these interface cards, refer to
NOTE:
You must install a ferrite on each cable connected to an FXO 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
instructions, turn to
“Installing the Ferrites (EMI Filters)” on page 4-26
Universal E&M/PTT Interface Card
The E&M/PTT interface card when used in Push To Talk applications is described in
“Universal E&M/PTT Interface Card” on page 9-1
Ordering part number:
161-1030-000
•
Provides a local (on-premises) E&M tie-line connection to an analog PBX
•
Supports E&M Types I, II and V
E&M type selection is made through soft strapping. The E&M interface card is
set to Type I at the factory. To change to a different type, configure the E&M
Type parameter using the
LINK
item of the
SETUP/SLOT
menu. For details on
product configuration, consult the NetPerformer Reference Guides.
•
Supports Immediate Start, Wink Start or customized signaling on each E&M line
•
Quad port interface with 4 RJ-45 female connectors
•
Equipped with an onboard DSP processor
•
Supports voltage from -48VDC to +48VDC
•
Replaces the legacy E&M card, part number 161-1027-000.
Up to 2 E&M interface cards can be installed in the SDM-9220, or 3 in the SDM-9230,
providing up to 12 analog E&M voice ports in a single unit.
Figure 5-9: The E&M interface card