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Appendix B:
FBRM/BFFG Technical Specification
Specifications, notices, and warnings
For use with Transition Networks’ Models FBRM and BFFG or equivalent.
24-Hour Technical Support: 1-800-260-1312 International: 00-1-952-941-7600 120
Parameter Description
IEEE Standards IEEE 802.3-2000
IEEE 802.3ah-2004 clause 57, 58
IEEE 802.1q-2003
IEEE 802.1x-2004
IEEE 802.1D
IEEE 802.1P
RFC compliance See Appendix D
Regulatory Compliance for Emission EN55022 Class A
Regulatory Compliance for Immunity EN55024
Safety Compliance Unit: CE Mark
Wall-Mount Power Supply: UL Approved,
UL60950, and CSA Certified
Power Consumption 4 watts
MTBF* CFBRM & CBFFG models 141,526 MIL217F2 hours
518,418 Bellcore hours
SFBRM & SBFFG models 39,895 MIL217F2 hours
106,056 Bellcore hours
Power Source 7.5 to 15.9 VDC – Wall-mount AC Adapter
or Point System Backplane (provided)
Max Frame Size 1628 bytes
Size (width x height x depth) 3.3 x 1 x 4.75 in (83.8 x 25.4 x 120.65 mm)
Standalone: 4oz (113.4 grams) Weight
0 to 45º C (32 to 113º F) Operating Temperature
-25 to 65º C (-13 to 149ºF) Storage Temperature
Altitude 0-10,000 feet
5% to 95% (non-condensing) Operating Humidity
MTBF criteria
*MTBF is estimated using the predictability method. This method is based on MIL-
104°F at 40°C ambient temperature, typical enclosure heat rise of 10°C, and nominal
operating conditions and parameters. Installation and configuration specific MTBF
estimates are available upon request: Contact Technical Support.
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