Figure 2-24 Dec/8 Card - Panasonic DBS 576 Technical Manual

Section 300-Installation
DEC/8 card (VB-44610): Digital Extension Card
The DEC/8 card is an interface accommodating card for digital key telephones
(1B+D: 64 kbps + 16 kbps).
The DEC/8 card is mounted in a flexible slot to connect digital extension line
terminals (1B+D: digital multi-function telephones and DSS). This card
accommodates an on-board 8-circuit extension port interface. The connection format
is 2-wire non-polarized home run (star) wiring.
The major specifications on wiring are as follows:
• Supply voltage and current to telephone terminal: maximum +24V/200mA
• Allowable wiring distance: maximum 40 ohms with loop to terminal
• Maximum 20 Ohms with loop to DSS/72, EM/24, and Voice Recognition
Figure 2-24. DEC/8 card
576-13-300
Telephone.
DBS 576 (USA), issued 6/2/98
Chapter 2. System Overview
2-35