Related Manuals for Raisecom RC801
Summary of Contents for Raisecom RC801
- Page 1 RC801/803/805-240B 8E1 Fiber-Optic Multiplexer (Rev. M) User Manual Raisecom Technology Co., Ltd. (04/2005)
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Page 2: Cautions
1. Cautions Please read the following notices carefully before installing and using the device, Raisecom does not respond to any loss that caused by violating safety notice. RC800-240B series optical multiplexer provides two types of power supply: AC and DC. When using DC power supply, please plug the power supply connectors according to this mannual strictly and avoid contrary connecting. -
Page 3: Table Of Contents
Raisecom Technology Co., Ltd Contents Cautions ............................1 Overview ............................3 2.1. Main Features ..........................3 2.2. Part Number Introduction ......................3 2.3. Dimensions ..........................4 Parameters............................5 3.1. E1 Interface Specification ......................5 3.2. Optical interface characteristic ....................5 3.3. Power Supply...........................5 3.4. Ambience ..........................5 How to use ............................6 4.1. -
Page 4: Overview
Raisecom Technology Co., Ltd 2. Overview RC801/803/805-240B series fiber-optic multiplexers are ideal fiber-optic transmission devices for point-to-point networks, medium-sized and small capacity networks, such as wireless communication base stations, private communication networks, and switching networks. The basic transmission capacity of RC800-240B is 4 E1 channels, and the max is 8 E1 channels (equivalent to 240 voice channels). -
Page 5: Dimensions
Suffix: AC ——AC 220V power supply DC —— DC -48V power supply Note: RC801 standalone fiber-optic multiplexer shall work in pairs RC803 and RC805 must cooperate in pairs. One RC803 must work with one RC805. 2.3. Dimensions Compact 19-inch standard 1U-high chassis, 440mm (W) x 43.6mm (H) x 235mm (D) -
Page 6: Parameters
Raisecom Technology Co., Ltd 3. Parameters 3.1. E1 Interface Specification Bit rate: 2048Kbps±50ppm Line code: HDB3 Impedance of interface: 75Ω (unbalanced) or 120Ω (balanced) Electrical characteristics: complies with ITU-T G.703 Transfer characteristics: complies with ITU-T G.823 Input jitter tolerance: complies with ITU-T G.823 3.2. -
Page 7: How To Use
Raisecom Technology Co., Ltd 4. How to use 4.1. Introduction of the Front Panel Dip-switch Optical Interface Power LOS on E1 Function Button Optical Alarm NM Interface Figure1: Sketch of the front panel of RC800-240B 4.1.1. Power indicator PWR (green): On, when built-in power is working properly 4.1.2. - Page 8 Raisecom Technology Co., Ltd All E1 links Note: Only two test method can be set: single E1 channel loop-back or all E1 channels loop-back. When single E1 channel loop-back is testing, the other channels are working without disturbance. • bit: loop-back type options This switch is used to choose “remote loop-back”...
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Page 9: Dip-Switch Sw2 Setup: All Off By Default
Raisecom Technology Co., Ltd 4.1.4. DIP-switch SW2 Setup: All OFF by Default SW2 is the switch for address code setting. When all OFF, the equipment can be remote managed; otherwise, it can be managed locally through LNK-UP port. The addresses shall not be the same for the equipment cascaded at one serial port. -
Page 10: Introduction Of The Rear Panel
Raisecom Technology Co., Ltd 4.2. Introduction of the Rear Panel Figure 4. RC800-240B standalone PDH multiplexer 4.2.1. Power Switch This switch is used to turn on/off the power supply. 4.2.2. Power Socket AC: 220V standard triple-phase power socket DC: -48V power interface. Left pin for -48V, right pin for 0, and the middle pin for ground 4.2.3. -
Page 11: Dip-Switch On The Bottom Panel
Raisecom Technology Co., Ltd • RC800-240B basic capacity configuration (4 E1) Both Slot 1 and 2 are empty. There is no interface for the 5 – 8 E1 channels. • RC800-240B max capacity configuration (8 E1) SUBM-4E1 sub-module is installed into Slot 1. It provides a DB37 male connector for the 5 –... -
Page 12: Installation And Test
Raisecom Technology Co., Ltd 5. Installation and Test 5.1. Inspect after Opening Please first check if the models and part numbers are in consistence, and also check if the equipments are damaged. 5.2. Preparation before Installation Carefully read this manual Prepare all kinds of the cable. -
Page 13: Configuring Buttons And Switches
Raisecom Technology Co., Ltd When PS is turned on, the PWR indicator should be on. 5.3.3. Configuring Buttons and Switches After turning on power of the device, first ensure there is no alarm on optical port. If optical ports are connected properly, there shall be no LOS, LOF, and E-3 alarm. The E-6 (yellow) may be on the moment when the power is just turned on. -
Page 14: Troubleshooting
There is problem that E1 link is too long to bring too much disturbance, so the signal attenuation is beyond –6dB. We can test the level of bit rate when this E1 link connecting with RC801-480B. LOS red indicator of optical port is on Answer: Loss of receiving signal occurs at optical port. - Page 15 Raisecom Technology Co., Ltd be off. If E-6 alarm occurs during operation, check whether optical RX port connects well and RX optical power. LOS red indicator of E1 sub-channel is on Answer: Loss alarm of RX signal at E1 sub-channel, no HDB3 signal is received. Check whether all E1 ports are connected well, or whether 75 Ω...
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Page 16: Appendix A Introduction Of Subm-4E1 Sub-Module
Raisecom Technology Co., Ltd 7. Appendix A Introduction of SUBM-4E1 Sub-module The SUBM-4E1 sub-module can be installed into RC800-240B series standalone fiber-optic multiplexers to provide the 5 – 8 E1 interfaces. It is equipped with DB37 male connector. Users can use 120 Ohm twisted-pair cable directly, or use additional adapter to convert the connector to CC3 coaxial connector. - Page 17 Raisecom Technology Co., Ltd ——TXD 232 signal output 4, 8 ——GND Others——hang on The sequence of the cable for connection between LNK-UP port (RJ45) and computer serial port (DB9 female connector) is as follows. RJ45 DB9F ←— —→ 4, 8...
- Page 18 Raisecom Technology Co., Ltd @2005 Raisecom Technology Co., Ltd. All trademarks are the property of their respective owners. Technical information may be subject to change without prior notification.