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Active Products TDM Multiplexers IP Multiplexers Gigabit Switch Fiber Converter 2.7G Fiber Converter 10G Fiber Backup

Passive Products DWDM Multiplexers CWDM Multiplexers CWDM Add/Drop WDM Multiplexers

Optical Modules GBIC Modules SFP Modules SFP+ Modules XFP Modules X2/XENPAK Modules

Accessories FO Patch Cables FO Attenuators

Measurement Light Source Fiber Meter CWDM Power Meter






modular BKUP 7502

Flexible 3R Fiber Backup Switch

modular BKUP The modular BKUP 7502 is a flexible fiber optic backup switch with integrated management. It has two independent channels that allow a data rate of up to 2.7 Gbit/s. Full 3R Regeneration (re-amplification, re-shaping, re-timing) is included.

Redundant transmitters and receivers on the line ports of each channel facilitate constant monitoring of both lines und a fast receiver switching at less than 50 ms in case of link failure, loss of activity or bad line quality.

The chance to complete any port of each channel with individually selectable fiber optic SFP modules makes it suitable for use in a wide range of applications.

The integrated management facilitates fine-tuning of its features, performing loops and BERT tests, as well as monitoring of the line quality via SNMP or Telnet, based on the SFP's Digital Diagnostic functions.
Two Ethernet and one Fiber management ports allow cascading of two or more devices for management purposes.

Due to the power supply and fan redundancy, this device is also well-prepared for use in environments with demand for high reliability.

See also:
- Accessories: An assortment of SFP modules and patch cables for the backup channel ports.

  • Managed Fiber Optic Backup Switch with two independent channels, each one providing In, Line A, Line B as SFP module slots
  • Channel data rate up to 2.7Gbit/s
  • Fully flexible "any-to-any" color/fiber/budget choice for each port on each channel because of standard SFP use
  • Selection of multi-mode, single-mode, WDM, CWDM or DWDM for each port individually
  • Fully protocol transparent
  • Integrated Management via VT100-CLI, SNMP and Telnet
  • Support of test loops and performing BERT tests
  • Digital Diagnostic Monitoring (DDM) of the SFP modules
  • 2 Copper RJ45 and one fiber SFP port for Ethernet SNMP/Telnet management allow cascading
  • Redundant Power Supply 100-240V AC or -48V DC
Application Examples
  • Redundant Transmission of Fiber Optic Data
  • Color Generator for use with passive CWDM/DWDM Systems

The modular BKUP converting two Independent Protocols each with 1310nm to CWDM Color Scheme for OADM access


The modular BKUP working as a Fiber Optic Redundancy Backup Switch

Number of Channels 2 independent Backup Channels
Fiber Optic Interfaces 3 SFP Module Slots per Channel:
In, Line A, and Line B
Backup Delay less than 50 ms, typical 20 ms
Signal Regeneration 3R (Re-shaping, re-timing, re-amplification)
Data Rate 9 fixed 3R Data Rates 100Mbit/s up to 2,7 Gbit/s:
- FDDI, 100 Mbit Ethernet
- STM-1, STS-3
- STM-4, STS-12
- Fibre Channel
- Gigabit Ethernet
- 2G Fibre Channel
- STM-16, STS-48
- STM-16, STS-48+FEC
plus Transparent Mode (without 3R)
Management VT100 Console
SNMP Configuration and Monitoring
Telnet integrated
Power and Status LEDs
Software Update via TFTP
Management Interfaces:
2 x 10/100BaseT RJ45,
1 x 100BaseFX SFP Slot,
1 x VT100 Sub-D9
Power Supply Two Redundant Plugs with 2 x 100 - 240V AC or 2 x -48V DC
Fans Redundant Fan
Mechanical 19" 1HU, Depth 260 mm
Environmental Temperature 0-40oC, Humidity max. 90%, Non-condensing
Ordering Information

modular BKUP 7502
3R Fiber Optic Backup Switch with
2 independent channels, all data
ports are SFP module slots
redundant Power Supply and Fan

2 x 100-240V, european plug
Order Code: G7502-EU

2 x 100-240V, US plug
Order Code: G7502-US

2 x -48V DC
Order Code: G7502-48


DatasheetDatasheet for the
modular BKUP 7502

ApplicationApplication 2 Examples


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