Black Box COMPACT T1 MT850A - Manual (Page 407)

Compact T1 - Release 6.1 9-3
ISDN BRI Card
Features
Features
l Enables carriers to economically bundle ISDN with all other services at 64 Kbps
or 128 Kbps over T1 access lines
l Configurable as either Line Unit Line Terminal (LULT) for interfacing to ISDN
switch interfaces at the central office, or Line Unit Network Terminal (LUNT)
for customer premises deployment
l Provides direct NTU service demarcation for ISDN video conferencing, 128
Kbps dial-up Internet, point-of-sale terminals, and ISDN Centrex or telephone
applications
l Enables high service density with up to 40 ISDN BRI lines from 4 T1 lines in a
single Compact T1, or up to 80 ISDN BRI lines in two chassis occupying two
rack units of equipment space (19-inch rack)
l Offers solid-state fuseless protection for central office NEBS compliance and
customer premises FCC and UL safety requirements