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SONET/SDH Signal Delay - DG


The DG Signal Delay Emulator simulates the SONET/SDH latency that occurs as signals are transmitted across optical networks. It also allows controlled error injection and simulates loss of signal (LOS) and loss of frame (LOF) conditions.

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DG SONET/SDH latency and impairment functionality comes in the following versions:


* DG312 – OC3/STM1 and OC12/STM4
* DG48 – OC48/STM16
* DG348 – OC3/STM1, OC12/STM4 and OC48/STM16


Each of these versions can be delivered in an M Series System as an MSDG (uni-directional) or MSDG-B (bi-directional) Delay Emulator. DG capability can also be combined with other Anue solutions (such as SONET/SDH Path Layer Delay, Gigabit Ethernet or Fibre Channel delay) to create multi-protocol "Combo" systems.

Download DG Product Brief

To learn more about the differences between Anue’s DG and PD products,
click here to view SONET Signal Delay/Path Delay FAQ


Product Features


DELAY
Emulates SONET/SDH latency that occurs in optical networks during transmission of OC-3/STM-1 (155 Mbit/s) or OC-12/STM-4 (622 Mbit/s) or OC-48/STM-16 (2.488 Gbit/s) signals

Delayed signals are logically identical to original signals
* No modification of TOH, POH or Payload bytes
* No pointer movements are introduced

Capable of inserting up to 250 ms delay (50,000 km) at OC48 rates, 1 sec delay at OC12 rates and 4 sec delay at OC-3 rates.1


BER

Capable of injecting bit-errors from 10-12 to 10-2 error rates
* 1-bit, 32-bit contiguous or 32-bit user defined error pattern
* Error injection can be fixed or random; random distributions sequences include Poisson, Uniform or Gaussian

Emulates loss of signal, loss of frame and/or squelch mode under user or program control

MISC

Optimized for ease of use:
* Front panel LCD control for standalone operation
* Powerful TCL script library enables automated remote testing
* Windows XP or 2000 GUI for intuitive/interactive remote control

Allows remote monitoring and control via Ethernet

User configurations can be saved and restored

Includes rack-mounting hardware

Cost effective alternative to test beds built from spools of fiber and optical amplifiers

SONET/SDH standards compliant including Telcordia GR-253 and ITU-T G.707

1 An optional ŇDelay DoublerÓ upgrade doubles the maximum delay times.

Pricing and Availability

For more detailed information, product configurations and pricing please contact Gillaspy Associates at 805-987-1959 or click here to register for more information.

Since 1997, Gillaspy Associates has built a solid reputation for developing strong relationships with our customers by providing them with quality solutions and ongoing support.