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COMMUNICATIONS TEST & MEASUREMENT SOLUTIONS
OTU-8000 Optical Test Unit
Key Features
* Wide range of applications from FTTx to ultra long haul network monitoring * Web browser access * Advanced fault location * Notification by e-mail or SMS * Small size (2U) * Dual power feeds * No hard disk * Low power consumption * Modem support * LAN based firmware downloads * Supports an additional test module for further extension * Relay contacts for external alarm-reporting devices * Compatible with ONMS * Compatible with MTS family OTDR 5000, 6000, and 8000 ranges offering up to 50db DR * Supports OTDR and OTU 9500 Optical switch
The OTU-8000 Optical Test Unit lies at the core of the JDSU optical network management system (ONMS). Combining optical time-domain reflectometry (OTDR) and optical switch technology, a single OTU-8000 unit can test hundreds of fiber links within a 40,000 km2 area. When a fiber fault occurs, ONMS reports the location relative to the nearest landmark. By deploying OTU-8000s in the central office, the telecom operator: * Reduces operational cost by eliminating erroneous dispatches * Reduces MTTR * Anticipates service disruption by detecting fiber degradation before service is affected * Protects the fiber investment by monitoring the long term performance of installed fibers The modularity of the OTU-8000 enables it to fit all requirements for monitoring light or dark fiber optic networks. Integrating the latest technology, it can monitor long haul as well as FTTx networks. For organizations concerned with network security issues, the OTU-8000 can detect and locate fiber tapping inserting a loss of a few tenths of a dB.
WEBSITE: www.jdsu.com/test
OTU-8000 OPTICAL TEST UNIT
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Overview
Reach new levels of reliability with the OTU-8000
The OTU-8000 is a rugged device designed to fit into the most stringent central office. It uses no moving parts such as a magnetic hard disk to ensure the best reliability. Its small size and low power consumption allows utilization where space and energy are high value resources. The dual power feeds provide an alternate power input in the event of one power source failure. Additionally, all parts are field exchangeable without disconnecting the fibers in an extreme case where it would be necessary to replace a part of the OTU-8000.
Easy installation
Installing the OTU-8000 is a simple process. All connectors are located conveniently on the front panel, and the unit is quickly mounted in either 19," 21" (ETSI), or 23" equipment racks while occupying only two rack units of space. Provisioning the OTU-8000 is accomplished easily using any Web browser, either on site or remotely via LAN/WAN. The entire configuration is saved on the OTU-8000 where it remains secure on a solid state disk.
Central Server
@
Client Station Web Browser LAN/WAN
Optical Test Unit
OTU-8000
OTU-8000
@
OTU-8000
OTU-9500
OTU-8000
Figure 1 ONMS Overview
@
OTU-8000 OPTICAL TEST UNIT
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Guaranteed alarm transmission
Thanks to its internal PSTN or GSM modem (optional) or the relay contacts (option), the OTU-8000 can send alarms even if the LAN is not available. If the server does not respond either by LAN or by modem, the OTU-8000 can also send direct e-mail and SMS (with the GSM modem option) alarm notifications to users. From any Web browser, users can access the OTU-8000 to view the local alarm history and to carry out additional measurements.
Web Access
E-mail Notification Relay Alarm Collector
OTU-8000
NOC Central Server
Relay Contacts
Primary Connection LAN/WAN
@
Direct SMS Notification Dial Up Backup Connection
Master Station
Figure 2 Guaranteed alarm transmission
OTU-8000 OPTICAL TEST UNIT
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Advanced fault location
The OTU-8000 combines fast scanning with accurate fault location. Fast acquisition time is used to detect abnormal events. When detected the OTU-8000 switches acquisition parameters enabling high accuracy. The high resolution trace is then processed to locate the fault. The fault location algorithum has been improved for more than 15 years of JDSU's experience in RFTS.
Automatic
Quick scan
No problem
Next port
Problem
Automatic
High accuracy scan
No problem
Next port
Problem
Automatic
Fault location
Send alarm
Compatibility
The OTU-8000 can be used to extend a deployment of OTU-9500, JDSU's former RTU. The same ONMS software will manage both. In addition, the OTU-8000 is compatible with the OTU-9500 OTDR and optical switch. Thus, all the new features are available simply by replacing the base unit. The OTDR modules available for the MTS-8000 and MTS-6000 can be used with the OTU-8000. This ensures coverage for a wide range of applications from FTTx to ultra long haul network testing.
OTU-8000 OPTICAL TEST UNIT
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OTU-8000
Base Unit Technical Specifications
Mechanical Height 2U Width 19" 21"(ETSI) or 23" , Depth 260mm (ETSI), 300mm (19" or 23") Power Supply DC input -36 to -60V Power consumption 30W Environmental Operating -10C to 50C Storage -20C to 60C Humidity 95% without condensing EMI/ESD CE Compliant Interfaces 1 RJ45 Ethernet 10/100 Base T Port 1 RJ11 if equipped with PSTN modem GSM if equipped with GSM modem Storage Media Solid state disk Optical links (max) 512 Alarms storage 512 OTDR Trace storage 1024 Relay Contacts (Option) 3 relays correspond respectively to Unit alarm, major optical alarm and minor optical alarm Relay is closed in normal conditions Nominal switching capacity: 1A @30VDC, 0.5A@125VAC
OTDR*
The OTU-8000 can house two field interchangeable OTDR modules. A wide range of OTDRs are available, ensuring optimum monitoring of all types of fiber optic network from short range multimode to long haul single mode.The OTU-8000 monitors active fibers using the 1625nm OTDR module which is designed to take into account factors such as the Raman effect of the optical amplifier.
Optical Switch
The OTU-8000 can house a field interchangeable optical switch module with up to 24 ports. If higher ports count is required, 24 ports can be extended to 48 or 72 ports by adding 1 chassis. An OTU-8000 with no OTDR modules fitted forms the base of the Remote Optical Switch controlled by TCP/IP. The Remote Optical Switch base can be upgraded by adding an OTDR module to become a complete OTU-8000 at any time.
Technical Specifications
Distance Unit km, kft, miles Group Index Range 1.30000 to 1.70000 in 0.00001 steps No. of Data points Up to 128 000 data points Distance Measurement Automatic or dual cursor Display span From 2.6m up 380 km Display resolution 1 cm Cursor resolution From 1 cm Sampling resolution From 4 cm Accuracy 1 m sampling resolution 1.10-5 x distance (excluding group index uncertainties) Attenuation Measurement Automatic, manual, 2-points, 5-points and LSA Display span From 1.25 dB to 55 dB Display resolution 0.001 dB Cursor resolution From 0.001 dB Accuracy 0.05 dB 0.05 dB/dB Reflectance/ORL Measurements Automatic or manual Display resolution 0.01 dB Threshold -11 to -99 dB in 1 dB step
Specifications
2, 4, 8, 12, 16, 24, 36, 48 or 72 with 1 or 2 commons Insertion Loss 0.6 dB up to 48 ports, 1.2 dB for 72 ports Back-Reflection -60 dB (Singlemode) Repeatability 0.01 dB Wavelength Range 1310, 1550 and 1625 nm Lifetime 107 cycles Housing Up to 24 ports: Included in the OTU-8000 For 36, 48 and 72 ports: 1 external 4U rack Number of Ports
*The main specifications of OTDR modules are available on the consolidated OTDR datasheet.
OTU-8000 OPTICAL TEST UNIT
All statements, technical information and recommendations related to the products herein are based upon information believed to be reliable or accurate. However, the accuracy or completeness thereof is not guaranteed, and no responsibility is assumed for any inaccuracies. The user assumes all risks and liability whatsoever in connection with the use of a product or its application. JDSU reserves the right to change at any time without notice the design, specifications, function, fit or form of its products described herein, including withdrawal at any time of a product offered for sale herein. JDSU makes no representations that the products herein are free from any intellectual property claims of others. Please contact JDSU for more information. JDSU and the JDSU logo are trademarks of JDS Uniphase Corporation. Other trademarks are the property of their respective holders. (c)2007 JDS Uniphase Corporation. All rights reserved. 30149002 002 1007 OTU8000.DS.FOP.TM.AE
Test & Measurement Regional Sales
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www.jdsu.com/test

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