NDA-24296 CHAPTER 3
Page 499
Revision 1.0
PA-4ILCH
ISDN Line Circ uit

PA-4ILCH

ISDN Line Circuit

1. General Func tion
The PA-4IL CH is a li ne c ircuit card which acc omm odates IS DN Ter minal vi a N T1. The ma in feature s of
this circui t card ar e sh own be low :
A ma ximum of four B asic Rate Inte rface (BRI) termina ls can be accommo dated.
This card and NT1 are connecte d using 2-wire U Inter face.
Sealing current (Maximum 15mA) can be supplied for keeping cables f rom rusting.
Fig ure 3-150 Locatio n of PA-4ILCH (4I L C) within the S ystem
TSW
I.430
PLO
NT1
ANSI T1.601
PA-4ILCH
TE