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T1 CSU/DSU ASE
With DSX-1, Drop-and-Insert, and Modem
Key features
Inband management capabilities
Multi-Protocol or IP Transport software
Service Level Agreement (SLA) metrics
Drop-and-Insert capabilities through
DSX port
Internal modem
Voice over IP (VoIP) analysis capability
Application analysis capability
LMI spoofi ng
LAN management port
Power loss detection
Realtime events
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The Visual UpTime® Select™ T1 CSU/DSU ASE is
deployed on a T1 access line at the demarcation point
between the provider network and customer premises.
It supports full and fractional (FT1) T1 networks and
provides connectivity through V.35 and additional
digital cross connect signal (DSX-1) interfaces.
The ASE supports Multi-Protocol software for deploy-
ment in standard frame relay or HDLC networks and IP
Transport software for deployment in networks that
use IP switching.
The ASE’s “drop-and-insert” feature provides a
secondary DSX-1 port that can connect to a Private
Branch Exchange at a customer’s site. T1 Timeslots
can be segmented for a PBX on the same circuit
carrying data traffi c (see fi gure). The ASE’s internal
modem lets users establish a telephone connection
to either the ASE’s administrative interface or a pass-
through connection via the serial port.
T1 CSU/DSU model 807-0112 rear view
T1 CSU/DSU model 807-0112 front view
T1 CSU/DSU model 807-0112 position on network
Visual UpTime Select
ASE model 807-0112
T1 Access
Line
Visual
UpTime
Select
Server
V.35
Line
Optional LAN
Connection
CSU/DSU
ASE
Wide Area
Network
PBX
PBX
Tl h
Modem
Connection