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Humanity E1 and Ethernet over Fiber Converter
RPM-150S4ET Humanity E1 and Ethernet over Fiber Converter is a point to point fiber transmission device. It can realize 1~4E1, 4 Ethernet and 2xRS232 transmission over fiber. It's with full alarm monitor, high integration, low power consumption, stable performance and easy to use.
Main Features

Technical Specifications
Optical
| Default: dual fiber, single mode, 1310nm, 40km, FC Optical fiber type: dual fiber/single fiber optional |
Connector: FC/SC/ST | |
Wavelength: 850nm/1310nm/1550nm | |
Distance: 2km/40km/60km/120km | |
E1 | 1~4E1 available |
Code: HDB3 | |
Rate: 2.048Mbps±50ppm | |
Comply with ITU-T G.703, G.823, G.742 | |
Connector: BNC for unbalanced 75Ω or RJ45 for balanced 120Ω | |
Ethernet |
Maximum 4 Ethernet available with VLAN |
Frame length: 64kbps to 1916kbps | |
Auto adapt 10/100M, MDI/MDIX, full/half duplex | |
MAC address table: 1024 | |
Support flow control | |
Power | AC110/220V and DC-48V dual power supply |
Environment | Operating Temperature: -5°C~50°C |
Storage Temperature: -40°C~70°C | |
Relative Humidity: 95%, non-condensing | |
Dimensions | 483×160×44mm |

| Model | Description |
| RPM-150S4M | 4E1 PDH multiplexer |
| RPM-150S4EM | 4E1+Ethernet PDH multiplexer |
| RPM-150S8M | 8E1 PDH multiplexer |
| RPM-150S8EM | 8E1+Ethernet PDH multiplexer |
| RPM-150S4T | 4E1 PDH multiplexer, with ALS, optical 1+1 redundancy |
| RPM-150S4ET | 4E1+4Ethernet PDH multiplexer, with ALS, optical 1+1 redundancy |
| RPM-150S8T | 8E1 PDH multiplexer, with ALS, optical 1+1 redundancy |
| RPM-150S8ET | 8E1+4Ethernet PDH multiplexer, with ALS, optical 1+1 redundancy |
| RPM-150S16M | 16E1 PDH multiplexer |
| RPM-150S16EM | 16E1+2Ethernet PDH multiplexer |
Beijing Human Information Technology Co.,Ltd.
Web: //www.hm-it.com
Contact: Nancy Liu
Skype: converter110
E-mail: nancy@hm-it. com
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