Advantech BB-855-19822

10/100 Miniature Media Converter

  • Extended operating temperature of -40 to +85° C
  • Auto-Cross automatic selection between crossover or straight-through connections
  • Status LEDs
  • Link Fault Pass-Through (LFPT) capability


Media conversion is the most cost-effective solution for extending the productive life of legacy wiring plants and equipment while allowing implementation of new technologies. Measuring less than 88.9 mm deep and 50.8 mm wide, the MiniMc LFPT is one of the industry’s smallest media converters with both data connections on the same side of the unit. Link Fault Pass Through (LFPT) can be enabled/disabled via a DIP Switch on the unit, and is a useful diagnostic feature that assists the network administrator in indicating a fault condition on a given segment between the interfaces.

The MiniMc LFPT extends 10 and 100 Mbps twisted pair network segments up to 2 km over fibre. Both a media and data rate converter, the MiniMc LFPT features 10/100 Auto Negotiation on the copper port while the fibre port operates at 100 Mbps full duplex. MiniMc LFPT 10/100 switching fibre converters are ideal for all premises, FTTD, LAN-to-LAN or LAN-to-MAN fibre networking applications.

Part Number Fibre Fibre Ports Range Ethernet Ports Ethernet Connector
BB-855-19822 MM850-SC 1 2 km 1 1
BB-855-19824 MM1300-SC 1 5 km 1 1
IEEE 802.3 10Base-T twisted pair
IEEE 802.3u 100Base-TX twisted pair
IEEE 802.3u 100Base-FX fibre
IEEE 802.3af Power Over Ethernet
Supports jumbo packets up to 1916 bytes
Plug-and-play operation
RJ45 and ST or SC ports available
50/125µm or 62.5/125µm multi-mode fibre
9/125µm single-mode fibre
Available with single-strand fibre support
Includes terminal DC power block
Country-specific, high-reliability power adapter
Auto Negotiation
Auto-Cross for MDI/MDIX
Layer 2 packet switching, store and forward (forwarding rate: 14,881 pps for 10 Mbps, 148,100 pps for 100 Mbps)
Status LEDs
Dimensions 0.83”H x 1.80”W x 3.35”D
(2.11 x 4.57 x 8.51 cm)
Shipping Weight 0.7 lbs (.317 kg)
Input Specifications
DC Terminal (Telco): 12 to 48 VDC
Barrel Connector: 5 to 24 VDC
PoE: Maximum supply voltage is 50V
Operating Temperature: DC or PoE (PD) -40 F to 185° F (-40° C to +85° C)
Operating Temperature: AC wall adapter +14° F to +122° F (-10° C to +50° C)
Storage Temperature: -13° F to 185° F (-25° C to +85° C)
Operating Humidity 5% to 95% (non-condensing)
Regulatory Approvals
FCC Class A (using DC terminal or PoE power)
FCC Class B (using any DC jack, optional)

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