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NDA-24296 CHAPTER 3
Page 499
Revision 1.0
PA-4ILCH
ISDN Line Circuit
PA-4ILCH
ISDN Line Circuit
1. General Function
The PA-4ILCH is a line circuit card which accommodates ISDN Terminal via NT1. The main features of
this circuit card are shown below:
A maximum of four Basic Rate Interface (BRI) terminals can be accommodated.
This card and NT1 are connected using 2-wire U Interface.
Sealing current (Maximum 15mA) can be supplied for keeping cables from rusting.
Figure 3-150 Location of PA-4ILCH (4ILC) within the System
TSW
I.430
PLO
NT1
ANSI T1.601
PA-4ILCH
TE