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The FRM220-Eoe1 is an Ethernet over E1 Bridge for cost-effective connection of 10/100Base-TX LANs over a single E1 transport. By using standard HDLC encapsulation, the FRM220-Eoe1 is able to transmit up to a 2M bits Ethernet over an E1 link. The FRM220-Eoe1 supports an E1 attenuation of up to 43 dB on twisted pair or coax cable, which provides an approximate operating range up to 2km (using 22AWG). The FRM220-Eoe1 fully meets E1 specifications including ITU-T G.703 and G.823. The FRM220-Eoe1 features diagnostic capabilities for performing remote loopback. The operator at either end of the line may test both the FRM220-Eoe1 and the line in the digital loopback mode. The Ethernet copper interface supports auto-negotiation and auto MDI/MDIX, allowing plug-and-play Ethernet connection without any additional configuration. When placed in FRM220 system, the Ethernet may be aggregated to the chassis built in Ethernet switch. When placed in a single slot chassis and used standalone without management, the card may be configured by DIP switch.
Specifications
| E1 Interface | Framing | Framed / Unframed |
| MTU | 1522bytes (Max.) | |
| Standard | ITU-T G.703/G.704/G.706 & G.732, G.823 | |
| Bit rate | 2.048Mbps± 50ppm | |
| Line code | HDB3 | |
| Clock setting | Internal OSC or recovery clock | |
| Receive level | -43dB | |
| Line impedance | 75 ohm (BNC) / 120 ohm (RJ45) | |
| Jitter Performance | Complies with ITU-T G.823 | |
| Pulse shape | Complies with ITU-T G.703 | |
| Pulse amplitude | Nominal 2.37V ± 10% | |
| Delay Variance | 220ms | |
| Connector | RJ-45, BNC | |
| Diagnostics | Digital remote loopback | |
| Ethernet Interface | Standards | IEEE 802.3, 802.3u |
| Data rate | 10/100Base-TX, Half/Full duplex | |
| Connector | RJ-45 10/100Base-TX | |
| Indications | Power, ALM, E1 signal loss, E1 Alarm (AIS, LOF, RAI, LOMF), LAN link /ACT, 10/100M , SD (100Base-FX) | |
| Power Input | 12VDC | |
| Power Consumption | < 6W | |
| Dimensions | 155 x 88 x 24mm (DxWxH) | |
| Weight | 130g | |
| Temperature | 0 ~ 50°C (Operating), -10 ~ 70°C (Storage) |
| Humidity | 10 ~ 90% RH (non-condensing) |
| Certifications | CE, FCC, RoHS compliant |
| MTBF | 65,000 hrs |
Ordering Information
| Model Name | Description |
| FRM220-Eoe1 | 10/100Base-TX to E1 HDLC bridge card |
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Ethernet over E1 Converter FRM220-Eoe1
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