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HC-OE120-8E1U（8E1UP） -
HC-OE120-8E1U（8E1UP）
HC-OE120-8E1U（8E1UP）is the series of optical transmission device with digital optical fiber.
HC-OE120-8E1U（8E1UP）is the series of optical transmission device with digital optical fiber. 8E1U has single optical port, and 8E1UP has double optical designed to achieve the 1+1 optical-line protection.
HC-OE120-8E1U（8E1UP）provides customers with 8 E1 interfaces, 1 channel of Ethernet data, 1 channel of Asynchronous RS232 data, and 1 channel of service data. The single board design with 19-inch 1U structure makes installation and maintenance extremely easy for operators.
This series perfectly fits for:
Relaying between local network,
Digital relaying between point-to-point local switches and user switches,
Transmission requirements of wireless base stations, computer networks, and teleconferences
Features:
Advanced large-scale integrated circuit meets international standards
Highly integrated optical devices and DPLL (Digital Phase-locked Loop)
Circuits highly integrated in the disk with small sized provides excellent reliability
Compact structure, low power consumption, easy installation and maintenance
Ideally fit for small-capacity optical transmission equipment
| E1 Port | ITU-T G.703, 2048Kbps±50ppm HDB3 BNC(75Ω), RJ45(120Ω) |
| Optical Port | 33.792Mbps/16.896Mbps self-adaptive Line Coding: NRZ + 7 level scrambling code Service bandwidth: 8 ´ 2M, Transmit power: greater than -14dBm (LD) Photodetector: PIN/FET, better than -36dBm (Pe = 110 ˉ 1o) Optical connector: FC/SC type optional, Optical transceiver: single mode single fiber / single mode dual fiber / multi-mode, optional |
| LAN Port | IEEE802.3/802.3u, 10/100Mbps adaptive, RJ45 Bridging performance: 2000 frame buffer, 1024MAC address, automatic learning and update, IEEE802.3x flow control function, enhanced Tiny Gram compression format, WAN Line Transmission Protocol: HDLC, MDI/MDIX adaptive function, automatic identification of network cable sequence |
| Telephone Service Port | ITU-T G.711 PCM A law, 600Ω balanced, RJ45 |
| RS232 Asynchronous Data Port | RS232-C/ITU-T V.24, RJ45 Rate: 9.6~115.2Kbps |
| Configuration Port | RS232-C/ITU-T V.24, 9.6Kbps, RJ45 Data bits: 8; stop bits: 1 |
| Model | Description |
| HC-OE120-8E1U | single optical port, 8*E1 interfaces, 1*channel of ethernet, 1*asynchronous RS232 data, 1*service data |
| HC-OE120-8E1UP | double optical port, 1+1 protection, 8*E1 interfaces, 1*channel of ethernet, 1*asynchronous RS232 data, 1*service data |
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