Chapter 1 Introduction
1.7.15 FRM220-2.7G-3S 3R Transponder with Protection
The FRM220-2.7G-3S is an optical 3R regeneration device, which provides re-amplification, reshaping and
retiming and offers fiber protection. The transponder card converts a data signal to the correct wavelength for
transmission on a specific channel by supporting SFP optics on line side to Primary or Secondary interfaces. When
the FRM220-2.7G-3S 3R card is placed in the FRM220 rack with SNMP management, the management can view
the converter card's status, type, version, fiber link status and alarms. The card can be configured to enable or
disable the port, reset the port and set the desired data rate.
Features
• Protocol transparent fiber media converter / repeater
• Supports fiber redundancy by switching Primary to Secondary path
• Programmable receive optical threshold fiber protection
• Up to 2.7Gbps
• Clocking for Fast Ethernet, OC3, STM-1,STM-4, STM-16,FC-1, FC-2
• Network management via terminal, web or SNMP in FRM220-CH20 chassis
• Extend transmission from 2km to 120km over fiber
• Perform 3R optical repeater function (Re-amplification & Reshaping, Re-clockin
• Supports Line / Primary / Secondary loop back test
• Link Fault Pass through (LFP)
• Auto Laser Shutdown (ALS)
• Serial console for stand-alone management
When used with CH02M two slot chassis
Specifications
Ports
Optical Interface
Connector : LC, 1 Line SFP, 1 Primary SFP, 1 Secondary SFP
Data rate: Up to 2.7Gbps
Fixed rates for:
E3 (34.368M)
DS3/T3 (44.736M)
OC1/STM-0 (51.84M)
Fast Ethernet (125M)
STM-1/OC3 (155.52M)
STM-4/OC12 (622.080M)
STM-16/OC48 (2,488.32M)
FC-1 (1.0625G)
FC-2 (2.125G)
Regeneration type: 3R
Loop back: Line / Primary or Secondary
Cable type : SM 9/125μm, MM 50/125μm, 62.2/125μm
Wavelength: 850, 1310,1550nm,
LEDs Power, Line Link, Primary Link, Secondary Link, Test, Alarm
Power DC In 12V
Power Consumption
< 10W
Dimension (D x W x H) mm 155 x 88 x 23mm
Weight 120g
Temperature
-10~60° C (Operating) ,-20~70° C (Storage)
Humidity 10~95% non-condensing
Certification CE, FCC, LVD, RoHS
MTBF
65,000 h (25° C)
g)
24
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