SDH-8E1-4ETH is a new generation,enhanced SDH/MSTP device. It is a carrier-class, high compact platform and aimed for metro and SDH networks access. It can work as Add-Drop Multiplexer (ADM), Termination Multiplexer(TM), and also as a Gigabit Ethernet to SDH converter.
SDH-8E1-4ETH extremely strong cross-connection ability, it supports64K up to low / high order of SDH cross-connection. Not only the STM-1 / STM-4 optical port can work as the network uplink, it can also configure the n x E1 ports as the network uplink simultaneously. The co-working optic and E1 network uplinks provides customer a very flexibly networking configuration.
ĐẶC TRƯNG
- 19” rack mountable, 1U height compact size
- System supports point-to-point, chain and ring network applications
- Gigabit Ethernet to STM-1 conversion, data rate up to 63 x VC12
- STM1 / STM-4 and n x E1 co-working simultaneously as network uplinks
- System supports 2 x STM-1, or 2 x STM-4 optical ports as ring protection
- Ethernet supports 4 x GE electrical ports or 3 x GE electrical ports plus 1 x GE optical port
- Order-wire channel for point-to-point and point-to-multipoint voice communication
- Sophisticate configurable system protection with SNCP network protection and 1+1 interface protection
- In-band management channel for remote control and system management
- Two expansion slots for E1 or various data or voice modules
- Alarm relay is provided for external alarm facility connection
- Remote firmware and software upgrade is available
- Redundancy power supply is supported with any combination of the power supply unit
THÔNG SỐ KỸ THUẬT
Optical Interface | |
Bit rate | 155Mbps ±50ppm or 622Mbps ±50ppm |
Output optical power | ≥-15dBm |
Receiving sensitivity | ≤-35dBm |
Optical wavelength | 1310nm/1550nm |
Optical interface connecter | SFP/LC |
E1 Interface | |
Bit Rate | 2048Kbps±50ppm |
Code type | HDB3 code, G.703 standard |
Input impedance | 75W (default) or 120W (optional) |
Frame structure | G.704, G.706 |
Compression law | to G.711 |
Level | ±2.37V±10% |
ETH Interface (10/100/1000M) | |
Interface rate | 10/100/1000Mbps, auto |
Standard | IEEE 802.3, IEEE 802.1Q (VLAN) |
Connector | RJ45 |
Order Wire Phone | |
Use standard 2-wire phone set | |
Channel | 1 |
Coding | PCM |
Bandwidth | 64Kbps |
Connector | RJ11 |
Input voltage | -48VDC and/or 220VAC |
Voltage range | -36VDC ~ -81VDC, 165VAC~265VAC |
Power consumption | <10W |
Dimension | 440mm(W) x250mm(D) x 44mm(H) |
Weight | 4Kg |
Operating temperature | -10 ℃ ~ 50℃ |
Humidity | 5%~95% (no condensation) |
Warranty | 3years |
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