Dual Filtered Interface: 10GBASE-T Ethernet — JRE LAN10G-2
Dual passive RJ-45 interface for 10GBASE-T, 5GBASE-T, and 2.5GBASE-T, with 80 dB isolation from 50 MHz to over 6 GHz.
JRE LAN10G-2 specifications
- Outside dimensions
- 3.2" H x 3.2" W x 0.8" D (80 x 80 x 20 mm)
- Isolation
- 80 dB from 50 MHz to over 6 GHz
- Data Line Balanced Impedance
- 90-100 Ohms typical
- Insertion loss
- Data lines 5 dB, DC resistance 0.1 ohms, 1 A, 60V
- LAN Filter
- RJ-45 Female jacks
- Cables included
- Ethernet RJ-45 1 meter M-M
- Power capability
- 60 VDC at 1 amp. DC resistance each leg, 0.1 ohms max.
- Mounting screws
- 4-40 (included). Clearance hole size 0.1285" diameter - #30 or 3.3mm drill
JRE LAN10G-2 overview
Two copper 10GBASE-T channels are the deciding requirement for the JRE LAN10G-2. I specify this compact, passive interface when both links belong together on standard RJ-45 connections.
- Dual 10GBASE-T channels, also supporting 2.5GBASE-T and 5GBASE-T rates
- Differential Ethernet data passes unfiltered while common-mode RF interference is filtered out
- 80 dB isolation from 50 MHz to over 6 GHz in the test system
- 90-100 Ohms typical balanced impedance with 5 dB data-line insertion loss
- PoE-compatible power path rated to 60 VDC at 1 amp
- Two RJ-45 male-to-male Ethernet cables and 4-40 mounting screws included
- 3.2" H x 3.2" W x 0.8" D (80 x 80 x 20 mm); $1,060.00
I specify this part for 10GBASE-T over copper twisted pair. It does not serve 10GBASE-R, SFP+, or fiber-based links; those require a fiber pass-through instead. When only one copper channel is needed, the LAN-10G-1 leaves more plate room, while the dual unit keeps a matched pair together.
Go deeper
Used in: High-Speed Data
- Understanding data signals through filtered I/O The three filtering approaches — capacitive, low-pass, signal-phasing — and when each one applies.
- USB-3 and USB-C special considerations Cable length vs. speed, active cables, and why the passive filter looks like ~1–1.5 m of cable.
- The effect of adding multiple I/O filters The weakest-link principle and the 3 dB-per-doubling rule for your system isolation budget.
- Interface & connector guide Match every connector and capacitance value to your signal type on the removable I/O plate.
I/O Interfaces nearest the JRE LAN10G-2
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