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RPM-150S4EM Humanity 4E1 PDH Fiber Optical Multiplexer
RPM-150S4EM Humanity 4E1 PDH Fiber Optical Multiplexer maximum 4ch E1 transmission over fiber, and Ethernet to fiber is optional. It's with full alarm monitor, high integration, low power consumption, stable performance and easy to use.
Main Features
Technical Parameters
Optical interface | Default: dual fiber, single mode, 1310nm, 40km, FC |
Optical fiber type: dual fiber/single fiber optional | |
Connector: FC/SC/ST optional | |
Wavelength: 850nm/1310nm/1550nm optional | |
Distance: 2km/40km/60km/120km optional | |
E1 interface | 4E1 |
Comply with ITU-T G.703, G.823, G.742 | |
Rate: 2.048Mbps±50ppm | |
Code: HDB3 | |
Connector: RJ45 for 120Ohm, BNC for 75Ohm | |
Ethernet interface | 1 Ethernet ports available |
Connector: RJ45 | |
Frame length: 64kbps~1536kbps | |
Auto adapt 10/100M, MDI/MDIX, full/half duplex | |
MAC address table: 1024 | |
Environment | Power: 220V±20%, -36 ~ -72V |
Power consumption: less than 15W | |
Operating temperature: -5°C~50°C | |
Relative humidity: ≤95%, non-condensing | |
Power consumption: less than 15W | |
Dimensions | 483*160*44mm |
Weight | 2.5 kg |
Application Diagram

| 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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