Comtech EF Data SDM-9220 - Manual (Page 99)

Product Description
Memotec Inc. 5-21
ISDN-BRI S/T Interface Card
Ordering part number: 161-1033-000
• Supports digital voice and data at 128 Kbps using ISDN-BRI (ETSI, North
America and Japan), QSIG, transparent and customized signalling
Requires a DSP-160 or HD DSP module for voice calls (see “Installing or
Upgrading the DSP Module” on page 4-5 ). The HD DSP is required for GSM
support.
• Dual S/T Basic Rate Interface for connection of 2 separate ISDN lines
• Each ISDN line configurable as NT (Network Termination) or TE (Terminal
Equipment) through hardware strapping at the electrical level with one jumper
per port for termination, and soft strapping for the upper layer protocols.
• Provides software configurable Phantom power
• 2 RJ-48 female connectors
• 2 B-(bearer) channels at 64 Kbps and one D-channel at 16 Kbps on each physical
port
• Maximum 3 interface cards per unit, providing a maximum of 6 ports and 12 B-
channels for voice or data.
To interpret the status LEDs on this interface card, refer to “Interface Card Status LEDs”
on page 5-23 .
NOTE: You must install a ferrite on each cable connected to an ISDN-BRI S/T
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 .
Figure 5-12: The ISDN-BRI S/T interface card