NDA-24296 CHAPTER 3
Page 605
Revision 1.0
PA - 24 D TR ( D LI)
Digital Line Interface

PA-24DTR (DLI)

Digital Line Interface

1. General Function
The PA-24DTR (24DLI) circuit card provides an interface between 24 digital lines and the system at 1.544
Mbit/s. To obtain appropriate speec h level, this card is equipped with a mask ROM in which typical PAD
patte rn s h ave be en alread y written . A de s ir ed PAD value can be easily se lected by key se ttings.
Note: The key settings becom e valid when SYS1 INDEX4 bit5=1.
Figure 3-190 Location of PA-24DTR (DLI) with in the System
I/O Local
Bus
CPU
INT TSW INT
24ch
T
R
TERMINAL
EQUIPMENT
DLI(PA-24DTR)
: Speech Path (PCM signal)
: Clock Signal