Kentrox
CSU- Kentrox Channel Service Units- Channel Service Units
Kentrox
CSU/DSU-Kentrox CSU-Kentrox Channel Service Units-Channel Service Units-CSU- CSU's
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CSU,Kentrox Channel Service Units, Channel Service Units,CSU, and CSU's. Kentrox
Data Service Unit/Channel Service Units (DSU/CSUs) are renowned for their performance,
reliability, and broad range of features. DSUs are WAN access devices that combine
the data formatting of a DSU with the FCC-mandated line protection and diagnostic
capabilities of a CSU. Basic DSU/CSUs are ideal for networks where there are no
requirements for remote diagnostics or any form of centralized management.Managed
DSU/CSUs provide a way for an IT manager to view many remote devices from a centralized
monitoring console. Managed DSU/CSUs can also generate alarms when certain network
events occur, and forward those alarms to the management console to assist in
network troubleshooting. A managed DSU/CSU typically includes an SNMP-compatible
agent and supports standard interface MIBs.
Kentrox
Channel Service Units- CSUs
Product
------------------------Models --------------------------------------Functionality
Satellite
931 T1 CSU ----------77931 ------------------------------Basic
CSU --DSX1
T-SERV II T1 CSU ------------77115,
77965, 77966-------------- Basic CSU DSX1
T-SMART
T1 Intelligent CSU-- 77120, 77961, 77962
--------------CSU with local management access DSX1
M-PATH T1 Intelligent
CSU CSU with inband and local management access DSX1 and V.35
CrossPATH IIAC
Triple T1 Intelligent CSU 77731 CSU with inband, local management access, AC power
T1, DSX1 and V.35
CrossPATH IIe Triple T1 Intelligent CSU 77732 CSU with inband
and local management access T1, DSX1, V.35 and Ethernet
To
Switches-RoutersThe
CrossPATH II AC Triple T1 ICSU helps you consolidate multiple voice, video and
data traffic onto a single T1 circuit. By merging diverse traffic onto a single
T1, CrossPATH II AC reduces the number of T1/FT1 lines needed for WAN access,
and saves on access charges month after month.
CrossPATH
II AC allows you to proactively manage your network, spot and solve problems before
they degrade service, paralyze users, and bring the system down. With CrossPATH
II AC you can determine port status, set loopbacks, view performance reports and
change configuration through an easy-to-use menu structure. Since service-affecting
problems can be predicted before they cause outages, CrossPATH II AC improves
network reliability and helps you save valuable time and money.
Kentrox
Data Service Units- DSUs
Although
slightly more expensive to purchase than a basic DSU/CSU, a managed DSU/CSU can
significantly reduce service outage time because of its diagnostic capabilities.Frame
Monitoring DSU/CSUs include the management features of a managed DSU/CSU, and
can also monitor the performance of the public Frame Relay network. In addition
to monitoring Frame Relay SLA (Service Level Agreement) performance parameters,
this class of DSU/CSU can also determine bandwidth usage peaks and can be used
to correctly size the WAN service (FR port and PVC). The Frame Monitoring DSU/CSU
provides the means for the IT manager to determine the optimal balance between
performance and cost. Many businesses transmit data, voice and video over a WAN
and use DSU/CSUs to connect multiple types of communications equipment. For integrating
voice and data, you need the carrier to provide an integrated voice/data service.
You also need an add/drop port on the DSU/CSU, which allows you to combine a data
interface (V.35) and a fractional T1 or E1 onto a single WAN connection.
If
business traffic levels from a PBX are relatively low, significant cost savings
can be achieved by integrating these data traffic sources onto a single T1 connection.D-SERV
II 56/64kbps DSU/CSU from Kentrox supports high-speed LAN-to-LAN internetworking,
video conferencing services, Frame Relay, and Internet access. The D-SERV II provides
a high quality, economical solution for the network termination of 56/64 kbps
clear channel digital services. Easy to use and configure, the D-SERV II installs
in minutes, providing plug-and-play operation for most common services. It features
a built-in test pattern generator and error indicator along with a full complement
of front-panel LED indicators affording "at-a-glance" system monitoring.
On multi-point networks, the D-SERV II's anti-streaming feature prevents a streaming
DTE from affecting communications to operating network sites. The D-SERV II 56/64
DSU/CSU's low power requirements (8 watts from standard 115 VAC outlet) and exceptional
price provide for economical and cost effective deployment and operation.
DSUs
* Family Overview
Basic
* D-SERV II, 56/64k
* D-SERV T1, T1
* Satellite 651, T1
Managed
* DataSMART 552, 56/64k Plug-in
* DataSMART 456, E1 Standalone
* DataSMART
458, E1 Standalone
* DataSMART E1 MAX Dual-port, E1 Standalone
* DataSMART
554, T1 Plug-in
* DataSMART 558, T1 Plug-in
* DataSMART 656, T1 Standalone
* DataSMART 658, T1 Standalone
* DataSMART MAX T1 Dual-port
* DataSMART
MAX T1 Dual-port Add/Drop
* DataSMART MAX T1 Quad-port Add/Drop
* DataSMART
T3/E3 IDSU
Frame
Monitoring
* DataSMART 681, 56/64k Standalone
* DataSMART 584, T1 Plug-in
* DataSMART
588, T1 Plug-in
* DataSMART 696, T1 Standalone
* DataSMART 698, T1 Standalone
Accessories
* Universal Mounting Tray
Q-Series
QoS Access Routers
* Q-Series Family Overview
* Q2200 T1 QoS Access Router
* Q2300 Ethernet
QoS Access Router
Access
Concentrators (AAC)
* AAC Family Overview
* CellSMART Access Concentrators
Wireless
Access
CrossPATH®
IIe Triple T1 ICSU
* Wireless Family Overview
* CrossPATH II Triple T1 Intelligent CSU
*
CrossPATH IIe Triple T1 Intelligent CSU
CSUs
* CSU Family Overview
* T-SMART T1 Intelligent CSU
* T-SERV II T1 CSU
* Satellite 931 T1 CSU
* M-PATH T1 Intelligent CSU
* CrossPATH II AC Triple
T1 Intelligent CSU
* CrossPATH IIe Triple T1 Intelligent CSU
ServicePoint
* ServicePoint Family Overview
ISDN
* NT1 1010 Network Termination Unit
WHAT
IS A CSU?- WHAT IS A DSU?
A
CSU/DSU (Channel Service Unit/Data Service Unit) is a hardware device about the
size of an external modem that converts digital data frames from the communications
technology used on a local area network (LAN) into frames appropriate to a wide-area
network (WAN) and vice versa. For example, if you have a Web business from your
own home and have leased a digital line (perhaps a T-1 or fractional T-1 line)
to a phone company or a gateway at an Internet service provider, you have a CSU/DSU
at your end and the phone company or gateway host has a CSU/DSU at its end.
The
Channel Service Unit (CSU) receives and transmits signals from and to the WAN
line and provides a barrier for electrical interference from either side of the
unit. The CSU can also echo loopback signals from the phone company for testing
purposes. The Data Service Unit (DSU) manages line control, and converts input
and output between RS-232C, RS-449, or V.35 frames from the LAN and the time-division
multiplexed (TDM) DSX frames on the T-1 line. The DSU manages timing errors and
signal regeneration. The DSU provides a modem-like interface between the computer
as Data Terminal Equipment (DTE) and the CSU.
Short
for Channel Service Unit/Data Service Unit. The CSU is a device that connects
a terminal to a digital line. Typically, the two devices are packaged as a single
unit. The dSU is a device that performs protective and diagnostic functions for
a telecommunications line. You can think of it as a very high-powered and expensive
modem. Such a device is required for both ends of a T-1 or T-3 connection, and
the units at both ends must be set to the same communications standard.
A
CSU/DSU (Channel Service Unit/Data Service Unit) is a hardware device about the
size of an external modem that converts a digital data frame from the communications
technology used on a local area network (LAN) into a frame appropriate to a wide-area
network (WAN) and vice versa. For example, if you have a Web business from your
own home and have leased a digital line (perhaps a T-1 or fractional T-1 line)
to a phone company or a gateway at an Internet service provider, you have a CSU/DSU
at your end and the phone company or gateway host has a CSU/DSU at its end.
The
Channel Service Unit (CSU) receives and transmits signals from and to the WAN
line and provides a barrier for electrical interference from either side of the
unit. The CSU can also echo loopback signals from the phone company for testing
purposes. The Data Service Unit (DSU) manages line control, and converts input
and output between RS-232C, RS-449, or V.xx frames from the LAN and the time-division
multiplexed (TDM) DSX frames on the T-1 line. The DSU manages timing errors and
signal regeneration. The DSU provides a modem-like interface between the computer
as Data Terminal Equipment (DTE) and the CSU.
CSU/DSUs
are made as separate products or are sometimes part of a T-1 WAN card. A CSU/DSU's
Data Terminal Equipment interface is usually compatible with the V.xx and RS-232C
or similar serial interface. Manufacturers of separate unit or integrated CSU/DSUs
include Adtran, Cisco, and Memotec.
The
CSU originated at AT&T as an interface to their nonswitched digital data system.
The DSU provides an interface to the data terminal equipment (DTE) using a standard
(EIA/CCITT) interface. It also provides testing capabilities.