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Dual Balun (Shielded)
2 x BNC (F) (75 Ohms) to RJ-45 (F) 120 Ohms Converter
Dual Balun (Shielded) 2 x BNC (F) (75 Ohms) to RJ-45 (F) 120 Ohms Converter
RJ-45 for E1 Interface
| RJ-45 (Female) Pin # | Signal in RJ-45 (Female) |
| 1 | Tx Tip (Data Out) |
| 2 | Tx Ring (Data Out) |
| 4 | Rx Tip (Data In) |
| 5 | Rx Ring (Data In) |
BNC Description
| BNC | DTE BNC |
| Receive Input | Tip |
| Receive Ground | Ring |
| Transmit Output | Tip |
| Transmit Ground | Ring |
Electrical
| Matching Impedance | 75 Ohms unbalanced coaxial to 120 Ohms balanced twisted pair |
| Bit Rates | 2 Mbit/s and 8 Mbit/s as per G.703 |
| Return Loss | 2 Mbit/s exceeds G.703 (>25 dB from 52 KHz ~ 3072 KHz) and 8 Mbit/s as per G.703 |
| Insertion Loss | < 0.16 dB for 2 Mbit/s service (51 KHz to 3072 KHz) < 0.3 dB for 8 Mbit/s service (211 KHz to 12.672 MHz) |
| Cross Talk | > 60 dB from 51 KHz to 12.672 MHz between two channels |
| Pulse Shape | 2 Mbit/s and 8 Mbit/s as per G.703 |
| Isolation Voltage | 250 V DC between input and output |
| Signal Levels | 2.37 V nominal peak voltage at 2Mbit/s and 8Mbit/s at the coaxial end as per G.703 |
| EMC | EN50082-2 (CISPR 22) Class A for radiated emissions with UTP cable |