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Humanity 8E1 Optical Fiber Modem
RPM-150S8EM Humanity 8E1 Optical Fiber Modem realizes maximum 8ch 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

Front Panel
A: Indicators, easy to monitor the local and remote device status
B: Alarm choose switch (local or remote).

Rear Panel
C: Power. AC or DC or dual power.
D: 8E1 with both RJ45 and BNC.
E: RS232 interface.
F: Ethernet interface.
G: Optical interface.
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 | 4/8E1 |
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 port 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 |

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