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BNC Dual Balun (Free)

(Code: 270-5993)
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BNC Dual Balun (Free)

Materials & Plating
Impedance - 75 ohm unbalanced coaxial to 120 ohm balanced twisted pair
Bit Rates - 2.048Mbit/s as per ITU-T Recommendation G.703 Line Code
Return Loss - 2.048Mbit/s as per G.703 requirements
Insertion Loss - <0.9dB from 51kHz to 51.55MHz
Cross Talk - Pulse shape 2.048Mbit/s as per G.703
Signal Levels - 2.37V nominal peak voltage for 2.048Mbit/s at the coaxial end
Isolation Voltage - 250V DC for 1 minute between windings
Pulse Test 3kV as per UTI-T,K 17
Dimensions - 78mm x 42mm x 20.5mm
Working Temperature - -20ºC to +75ºC

BNC Connector 
Pin Location Signal Definition
1 Centre Pole Tip Transmit/Receive Signal
2 Shield Ring Transmit/Receive Ground
Connect Poles
Pin Location Signal Definition
1 1st from left TP+ Twisted pair positive
2 2nd form left TP- Twisted pair negative
3 3th from left Shield Shield ground
RJ-45 Connector
Pin Signal Definition
1 RXA Receive negative (-)
2 RXB Receive positive (+)
3 S1 Transmit ground
4 TXA Transmit negative (-)
5 TXB Transmit positive (+)
6 S2 Receive ground