FC3x00 E3/DS-3 Fiber Optic Modem

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The FC3X00 models provide a new level of price/ performance for extending an E3/DS-3 G.703 signal over a pair of single-mode or multi-mode Fibers. The FC3X00 will extend E3/DS-3 over several kilometres.

Fiber Extender: FC3x00

The three FC3X00 models provide single mode short haul, single mode long haul or multimode fiber interfaces using SC connectors. The E3/DS-3 interface uses a pair of BNC connectors. The FC3X00 provides a clear channel or unchannelised E3/DS-3 path over the fiber. This means that the signal can be either framed or unframed.

Optional rack-mounting kits are available for up to 2 or 18 units.

Product Features

Must be used in pairs
Quad option available - 4 FC3x00 units in 1U box
Low cost E3/DS-3 fiber extender
Switch select between E3/DS-3
External Alarm relay port
Minimal configuration of unit needed
Compact unit & integral power supply
Rack mounting kits for 2 or 18 units available

Application Diagram

Fiber Extender Application Diagram

Product Images

Specifications

Singlemode Short Haul Line interface

E3/DS-3 Electrical Interface

Interface	Dual SC singlemode 8/125um
Tx Power	-8 dBm to -15 dBm
Max Rx input power	-8 dBm
Rx Sensitivity	-8 to -31 dBm
Optical loss budget	-15 -(-31) = 16dB

Port	G.703, 75 ohm unbalanced
Interface	BNC (75 ohm)
Line coding	E3: HDB3, DS-3: B3ZS
E3 bit rate	34.368 Mbps +/- 20 ppm
DS-3 bit rate	44.736 Mbps +/- 20 ppm
Barrier	Fully barriered per EN41003

Singlemode Long Haul Line Interface

Compliance & Approvals

Interface	Dual SC singlemode 8/125 um
Tx Power	0 dBm to -5 dBm
Max Rx input power	-8 dBm (may need attenuator)
Rx Sensitivity	-8 to -34 dBm
Optical loss budget	-5 -(-34) = 29 dB

Safety	EN41003, EN60950
EMC	EN55022, EN50082
Environment
Temp	0 - 45 deg C
Humidity	0 -95% RH, non-condensing
Pressure	86 - 106 KPa

Multimode Fiber Interface

Power Supply

Interface	Dual SC multimode 62.5/125 um
Tx Power	-14 to -19 dBm
Max Rx input power	-14 dBm
Rx Sensitivity	-14 to -30 dBm
Optical loss budget	-19 -(-30) = 11 dB

E3 Cable Lengths	DS-3 Cable Lengths
RG59 = 150m	RG59 = 120m
UR202 = 180m	UR202 = 150m

AC Mains	100-250 VAC, 50-400Hz, 60mA to 25mA, IEC connector
DC Supply	-40 to -72 VDC, 200 to 100mA
Power Consumption	6 watts approx when operating

Packaging
Type	Modem, 1U high without feet
Dimensions (W x D x H mm)
Rackmount	202 x 132 x 44 (without feet)
Tabletop	202 x 132 x 48 (with feet)

Ordering Information

Model	Interface	AC Mains: 100 - 250 VAC	DC Power: -48 VDC
FC3000	Multimode to E3/DS-3	80-05-920	80-21-920
FC3100	Singlemode Short Haul to E3/DS-3	80-05-921	80-21-921
FC3200	Singlemode Long Haul to E3/DS-3	80-05-922	80-21-922
2 Unit Rackmount kit		80-05-256	80-05-256
18 Unit Rackmount Kit		80-05-255	80-05-250
Quad unit available on request

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+44.1784.744.700
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