Figure 3-26 Sbri/4 Card - Panasonic DBS 576 Technical Manual

Section 300-Installation
SBRI/4 card (VB-44630): BRI Card (S-point)
The SBRI/4 card is a basic interface (2B+D: 192Kbps) accommodating card for S-
point IDSN.
The SBRI/4 card is mounted on a flexible slot to accommodate terminal extension
lines of the basic user network interface of an ISDN terminal.
The system supplies +40V to the ISDN terminal which is mounted for extension
lines.
The SBRI/4 card has an on-board 4-circuit S-point ISDN basic interface, and a
lightening arrester.
Figure 3-26. SBRI/4 card
576-13-300 DBS 576 (USA), issued 6/2/98
Chapter 2. System Overview
2-37