Ruijie RG-DEMUX Series Hardware Installation And Reference Manual

Multiplexers and demultiplexers

Hide thumbs

Table of Contents

Quick Links

Download this manual

Ruijie RG-DEMUX/MUX Series

Multiplexers and Demultiplexers

Hardware Installation and Reference Guide

Document Version: V1.2

Date: 2022.04.14

Table of Contents

Troubleshooting

Need help?

Do you have a question about the RG-DEMUX Series and is the answer not in the manual?

Questions and answers

Summary of Contents for Ruijie RG-DEMUX Series

Page 2 Due to product version upgrades or other reasons, the content of this document will be updated from time to time. Ruijie Networks reserves the right to modify the content of the document without any notice or prompt. This manual is for reference only. Ruijie Networks endeavors to ensure content accuracy and will not shoulder...
Page 3 Ruijie Networks 7*24h Ruijie Intelligent Technical Assistant http://ocs.ruijie.com.cn  Ruijie Networks 7*24h Technical Service Hotline: 4008-111-000  Ruijie Networks After-sales Service Tool - Ruijie Cloud Service: http://www.ruijie.com.cn/special/fw/tool/xryf/  Ruijie Networks Technical Support and Feedback Email: 4008111000@ruijie.com.cn Ruijie Cloud Service APP Ruijie Services WeChat Official Account...
Page 4 Hardware Installation and Reference Guide Overview Specification An alert that contains a description of product or version support. Note Some information in this guide (such as product model, description, port type, and software interface) is for reference only and the actual product may vary. This guide describes the installation procedure, troubleshooting procedure, technical specifications, and optical module specifications and usage guidelines.
Page 5 Boasting CWDM technology and 16-channel standard wavelengths ranging from 1271nm to 1571nm in 20nm increments, this series, when used along with Ruijie Simplified Optical Ethernet solutions, can extend 10G/1G optical fibers to each room and meet customer requirements for collapsing the distribution switch, achieving passive distribution nodes, and reducing the configuration and O&M workloads of active distribution nodes.
Page 6: Specifications
48-port 3 groups Buildin 210.2 mm * multiplexer g side 440 mm * 39.8 mm Caution The multiplexer in this series should be used along with a Ruijie CWDM transceiver! RG-DEMUX(C)-24LC/LC 1.2.1 Specifications Table 1-2 Specifications Model RG-DEMUX(C)-24LC/LC Description 24-port demultiplexer, with 3 multiplexing ports (number of fiber trunk cables...
Page 7 Hardware Installation and Reference Guide Overview Weight 3.05 kg (net weight) 1.2.2 Appearance Integrating groups CWDM 16-channel passive wavelength division demultiplexers, RG-DEMUX(C)-24LC/LC supports 24 access ports, and has 3 multiplexing ports. The peer end should be used together with a multiplexer (RG-MUX(C)-24LC/LC or RG-MUX-48LC/LC). RG-DEMUX(C)-24LC/LC reserves one expansion slot.
Page 8 Hardware Installation and Reference Guide Overview ● Multiplexing Port B - correspond to the second group of 16 channels ● Multiplexing Port C - correspond to the third group of 16 channels ● Demultiplexing Port 1 should be connected to Core 1 CWDM transceiver ●...
Page 9 Hardware Installation and Reference Guide Overview Channel spacing 20 nm Channel bandwidth ± 6.5 nm ≤ 4 dB (demultiplexer and multiplexer) Insertion loss Return loss > 45 dB Polarization > 0.3 dB dependent loss Adjacent channel > 25 dB isolation Non-adjacent channel >...
Page 10 Hardware Installation and Reference Guide Overview Installation location: RG-S7800C series chassis or 19 RU rack on the core side, wall-mounting also supported. Front Panel The device contains two expansion modules. The enlarged view of the expansion module on the front panel is shown below: Note ●...
Page 11 Hardware Installation and Reference Guide Overview RG-MUX(C)-24LC/LC 1.4.1 Specifications Table 1-4 Specifications Model RG-MUX(C)-24LC/LC Description 24-port multiplexer, with 3 multiplexing ports (number of fiber trunk cables connected) Center wavelength 1271 nm to 1571 nm (CWDM) Channel spacing 20 nm Channel bandwidth ±...
Page 12 Hardware Installation and Reference Guide Overview Operating Humidity 10% to 90% RH Storage Humidity 5% to 90% RH Standards GR-1221-Core and GR-1209-Core Weight 2.57 kg (net weight) 1.4.2 Appearance Integrating 3 groups of CWDM 16-channel passive wavelength division demultiplexers, RG-MUX(C)-24LC/LC supports 48 access ports, and has 3 multiplexing ports.
Page 13 Hardware Installation and Reference Guide Overview Note ● Multiplexing Port A - correspond to the first group of 16 channels ● Multiplexing Port B - correspond to the second group of 16 channels ● Multiplexing Port C - correspond to the third group of 16 channels ●...
Page 14 Hardware Installation and Reference Guide Overview Polarization > 0.3 dB dependent loss Adjacent channel > 25 dB isolation Non-adjacent channel > 35 dB isolation Connector LC/UPC Operating -40° C to 85° C (WDM products are not pressure sensitive and have no Temperature requirement for altitude) Storage Temperature...
Page 15 Hardware Installation and Reference Guide Overview Note ● Multiplexing Port A - correspond to the first group of 16 channels ● Multiplexing Port B - correspond to the second group of 16 channels ● Multiplexing Port C - correspond to the third group of 16 channels ●...
Page 16 Hardware Installation and Reference Guide Overview core/access CWDM transceivers of the same label are ports at both ends of the same link, that is, Core 1 and Access 1 are ports for connecting the core switch to the indoor switch. 1.6.1 XG-SFP-LR(C1-C8) XG-SFP-LR(C1-C8) series includes eight 10G core CWDM transceivers and their models are listed below:...
Page 17 Hardware Installation and Reference Guide Overview Series SFP Model Label Rate GE-SFP-LR-SM1271-C1 Core 1 1Gbps GE-SFP-LR-SM1291-C2 Core 2 1Gbps GE-SFP-LR-SM1311-C3 Core 3 1Gbps GE-SFP-LR-SM1331-C4 Core 4 1Gbps GE-SFP-LR(C1-C8) GE-SFP-LR-SM1351-C5 Core 5 1Gbps GE-SFP-LR-SM1371-C6 Core 6 1Gbps GE-SFP-LR-SM1391-C7 Core 7 1Gbps GE-SFP-LR-SM1411-C8 Core 8 1Gbps...
Page 18 Hardware Installation and Reference Guide Overview 1.6.6 XG-SFP-LR(A1-A4) XG-SFP-LR(A1-A4) series includes four 10G access CWDM transceivers and their models are listed below: Series SFP Model Label Rate XG-SFP-LR-SM1431-A1 Access 1 10Gbps XG-SFP-LR-SM1451-A2 Access 2 10Gbps XG-SFP-LR(A1-A4) XG-SFP-LR-SM1471-A3 Access 3 10Gbps XG-SFP-LR-SM1491-A4 Access 4 10Gbps...
Page 19 Hardware Installation and Reference Guide Overview Model of Expansion Modules 1.7.1 Expansion module of RG-DEMUX-24LC/LC core demultiplexer Note: currently expansion modules are not sold separately. One core demultiplexer expansion module has 3 groups of CWDM 16-channel multiplexing ports, and can be expanded up to 24 ports.
Page 20: Preparing For Installation
This guide only covers RG-DEMUX/MUX series demultiplexers/multiplexers and CWDM transceivers. For how to plug a RG-DEMUX series demultiplexer into a RG-S7800C series core switch, please refer to the RG-S7800C Series Switch Hardware Installation and Reference Guide. Please make preparations for...
Page 21: Installation Site Requirements
Hardware Installation and Reference Guide Preparing for Installation Installation Site Requirements RG-DEMUX/MUX series demultiplexers/multiplexers must be installed indoors. To ensure normal operation and prolong the service life of the device, the installation site must meet the following requirements. 2.2.1 Temperature requirements To ensure normal operation and prolong the service life of RG-DEMUX/MUX series demultiplexers/multiplexers, the temperature in the server room must be properly maintained.
Page 22: Other Requirements
Hardware Installation and Reference Guide Preparing for Installation Dust Unit Content Dust particles (diameter ≥ 0.5 μm) ≤3.5×106 Particles/m Dust particles (diameter ≥ 5 μm) ≤3×104 Particles/m Apart from dust, the salt, acid, and sulfide in the air in the server room must meet strict requirements. These harmful substances will accelerate metal corrosion and component aging.
Page 23 Hardware Installation and Reference Guide Preparing for Installation Figure 2-1 Standard 19 RU rack The distance between the square strip on the rack column and the outer side of the front door is greater than 125 mm (7.09 in.) and the thickness of the front door is less than 25 mm (0.98 in.). Therefore, the available space is greater than 100 mm (6.10 in.).
Page 24: Open-Box Inspection
Hardware Installation and Reference Guide Preparing for Installation The slide rails (or trays) of the rack should meet the requirements of the device and should support its weight. The rack is well ventilated and the porosity of the front and back panels is greater than 50%. If a bracket is used, there is no need to use a slide rail (or tray).
Page 25: Pre-Installation Check
Hardware Installation and Reference Guide Installation Installation RG-DEMUX/MUX series demultiplexers/multiplexers must be used indoors in a fixed place. Caution Please confirm that you have read Chapter 2 carefully and that the requirements described in Chapter 2 have been met. Pre-installation Check RG-DEMUX/MUX series demultiplexers/multiplexers are complex devices.
Page 26 Hardware Installation and Reference Guide Installation 3.1.2 Confirm networking mode The principle of the above figure is that the demultiplexer and multiplexer are paired as one group (the smallest unit), and the following cabling principles should be followed: Principle 1: the core demultiplexer and the building side multiplexer connected by the same fiber trunk cable support up to 8 ports.
Page 27 Hardware Installation and Reference Guide Installation switch chassis, mounted on a standard rack wall-mounted 48-port Installed multiple building xer on weak power room [two building installation side modes supported: mounted on a standard rack wall-mounted Core Installed CWDM core transce switch ivers 1- connected to...
Page 28 Hardware Installation and Reference Guide Installation Room 4 Core CWDM Access CWDM Core 4 corresponding transceiver transceiver to Access 4 Room 5 Core CWDM Access CWDM Core 5 corresponding transceiver transceiver to Access 5 Room 6 Core CWDM Access CWDM Core 6 corresponding transceiver transceiver...
Page 29 Hardware Installation and Reference Guide Installation By connecting the demultiplexing ports 1-8 [TX end of core CWDM transceivers 1-8] to the demultiplexing ports 1-8 of the building side multiplexer through a fiber trunk cable, the core demultiplexer can receive optical signals for 8 access rooms.
Page 30: Installation Procedure
Hardware Installation and Reference Guide Installation Installation Procedure At the core side, install the demultiplexer (DEMUX) in place (plugged into the switch, mounted on the 19 RU rack or wall-mounted) Record the access port number of the ODF, room number and the label of CWDM transceiver connected to the demultiplexing port Use the accompanying fiber patch cable to connect the CWDM transceiver (1-8) to the core demultiplexer.
Page 31 Hardware Installation and Reference Guide Installation An NA port is an unused port. There are 8 core CWDM transceivers, which are labeled Core 1 to Core 8 on the ring and label.  After each group of multiplexing ports is connected to the core side ODF in sequence, record the demultiplexing ports of multiplexing ports (A/B/C) used and the specific building, floor and port of each ODF in the accompanying form.
Page 32 Hardware Installation and Reference Guide Installation Type and label of core CWDM transceivers are described below: CWDM transceiver Connected demultiplexing port Label CWDM transceiver 1 Multiplexing port 1 Core 1 CWDM transceiver 2 Multiplexing port 2 Core 2 CWDM transceiver 3 Multiplexing port 3 Core 3 CWDM transceiver 4...
Page 33 Hardware Installation and Reference Guide Installation This fiber patch cable is pluggable and has fixed double-armor Type-B interface. It can directly connect the demultiplexing port of the demultiplexer and the port of CWDM transceiver. This pluggable dual-mode straight-through cable is a standard accessory. 3.2.2 Installation at the building side and access side ...
Page 34 Hardware Installation and Reference Guide Installation ports of the multiplexing port of the multiplexer (same as the number and number of demultiplexing ports of the multiplexing port of the core demultiplexer) can be obtained. (2) Connect the demultiplexing port of the multiplexer to the ODF port of the access room using an optical fiber cable and record the ODF port number/room number connected by the demultiplexing port of the multiplexing port in Form 2.
Page 35 Hardware Installation and Reference Guide Installation CWDM transceiver Multiplexing port 8 Access 8 3.2.3 Correspondence between label of the CWDM transceiver and demultiplexing port number of the demultiplexer/multiplexer Principles: The label of the core CWDM transceiver should match with the demultiplexing port number of the demultiplexer. For example, Core 1 CWDM transceiver for demultiplexing port 1 of the demultiplexer.
Page 36: Checking After Installation
Hardware Installation and Reference Guide Installation The customer should prepare an optical fiber cable with LC connector in the building weak power room and identify the TX and RX ends. If a single-mode optical fiber cable is used or it is not possible to identify the TX and RX ends, then below procedure should be followed for debugging: (1) After properly connecting the core demultiplexer with the core switch, power on the core switch.
Page 37 Hardware Installation and Reference Guide Installation (2) Check whether the core CWDM transceiver is properly plugged into the line card slot of the switch. (3) Check whether the optical fiber cable is correctly connected to the core CWDM transceiver and the demultiplexing port of the core demultiplexer.
Page 38 Hardware Installation and Reference Guide Installation After fixation: 2. Mounting RG-MUX-48LC-LC on a standard 19 RU rack in the building side weak power room (take the 48-port model as an example) (1) Select a suitable position, install the tray in the 19 RU rack in the building side weak power room using the screwdriver, diagonal pliers and other tools, and fix it in the rack with screws.
Page 39 Hardware Installation and Reference Guide Installation After fixation: 3.3.2 Plugging into the RG-S7800C Series Switch chassis Supported models: RG-DEMUX(C)-24LC-LC Mounting position: a core RG-S7800C series switch chassis RG-DEMUC-48LC-LC Mounting position: a core RG-S7800C series switch chassis 1. Mounting RG-DEMUX-48LC-LC on a RG-S7800C Series Switch chassis (take the 48-port model as an example) (1) Select an unoccupied line card slot on the front panel of a RG-S7800C series switch chassis, remove the blank plate on the RG-S7800C series switch chassis using a screwdriver.
Page 40: Wall Mounting
Hardware Installation and Reference Guide Installation 3.3.3 Wall Mounting Supported models: RG-DEMUX(C)-24LC-LC Mounting position: wall mounted in the core server room (not recommended) RG-DEMUC-48LC-LC Mounting position: wall mounted in the core server room (not recommended) RG-MUX(C)-24LC-LC Mounting position: wall mounted RG-MUX-48LC-LC Mounting position: wall mounted 1.
Page 41 Hardware Installation and Reference Guide Installation Expanding 24-Port models Supported models: RG-DEMUX(C)-24LC-LC RG-MUX(C)-24LC-LC Procedure: (1) Remove the blank plate of the 24-port model with a screwdriver. (2) Plug the expansion module of the demultiplexer or multiplexer into the slot, and tighten the captive screws on both sides.
Page 42: Troubleshooting
Hardware Installation and Reference Guide Troubleshooting Troubleshooting General Procedure for Troubleshooting Installation Faults 4.1.1 Troubleshooting installation faults Possible Solution cause Check whether the connected devices are correctly paired; demultiplex The demultiplexer should be used together with the multiplexer; Below shows the correct example of demultiplexer and multiplexer used as a pair (the multiplexer demultiplexer is installed in the core server room and the multiplexer in the building weak power room).
Page 43 Hardware Installation and Reference Guide Troubleshooting CWDM Since the demultiplexer/multiplexer system realizes multi-directional transmission of Transceiver services over a single-mode optical fiber cable through the use of a wavelength division demultiplexer, two CWDM transceivers of the same label are used as a pair of service The CWDM and these two pairing CWDM transceivers should locate at opposite ends.
Page 44 Hardware Installation and Reference Guide Troubleshooting Link of Port 1: Core 1 CWDM transceiver →[demultiplexing port 1 → multiplexing port] → [multiplexing port → demultiplexing port 1] → Access 1 CWDM transceiver; Link of Port 2: Core 2 CWDM transceiver → [demultiplexing port 2 → multiplexing port] → [multiplexing port →...
Page 45 Hardware Installation and Reference Guide Troubleshooting 4.1.2 Correcting installation faults [Description] After first installation and power on, the port does not link up normally. In this cause, check whether there is any installation fault. Suggested Action (1) Check whether the TX and RX ends are reversely connected. The TX end of an optical port needs to be connected to the RX end of another optical port.
Page 46 If none of the above measures works, then check the link (optical fiber cable, ODF), demultiplexer and multiplexer for any abnormality by crosscheck. Please refer to 5.1.2 for details about crosscheck. Note If the problem still persists, please contact Ruijie Networks Technical Support team. 4.1.3 Troubleshooting operation failures by crosscheck...
Page 47: Common Faults And Troubleshooting
Hardware Installation and Reference Guide Troubleshooting If all 8 demultiplexing ports are up when troubleshooting the demultiplexer, then the demultiplexer is faulty; If all 8 demultiplexing ports are up when troubleshooting the multiplexer, then the multiplexer is faulty; If the demultiplexing ports are still down when troubleshooting the demultiplexer and the multiplexer, then the fiber trunk cable may be faulty.
Page 48 Hardware Installation and Reference Guide Troubleshooting 8 demultiplexing The fiber trunk cable may be broken or Replace the fiber trunk cable; ports of a certain contaminated. Replace core multiplexing port Multiplexing port of the core demultiplexer demultiplexer; accessing is faulty; Replace the building side indoor switch fail Multiplexing port of the building side...
Page 49 Hardware Installation and Reference Guide Troubleshooting (5) Collect the DDM information of the CWDM transceiver on the core side and device side and preliminarily troubleshoot trouble spots based on the DDM information: TX optical power abnormal——>local CWDM transceiver or switch port is abnormal. In this case, change the CWDM transceiver or switch port for troubleshooting.
Page 50 Hardware Installation and Reference Guide Troubleshooting Note If the problem still persists, please contact Ruijie Networks Technical Support team.
Page 51: Technical Specifications
Hardware Installation and Reference Guide CWDM Transceivers CWDM Transceivers Technical Specifications Caution The CWDM transceiver is a laser device. Please do not look into the laser beam directly. To keep the module clean, please make sure that the dust cap is mounted when it is not connected to cables. Table 5-1 Types and Specifications of SFP Transceivers Supp...
Page 52 Hardware Installation and Reference Guide CWDM Transceivers Acces GE-SFP-LR-SM1491-A4 -22.0 -3.0 Acces GE-SFP-LR-SM1511-A5 -22.0 -3.0 Acces GE-SFP-LR-SM1531-A6 -22.0 -3.0 Acces GE-SFP-LR-SM1551-A7 -22.0 -3.0 Acces GE-SFP-LR-SM1571-A8 -22.0 -3.0 Table 5-2 Cabling Specification of Gigabyte SPF Transceivers Core Interface Cable Max Cabling SFP Model Specification type...
Page 53 Hardware Installation and Reference Guide CWDM Transceivers Table 5-3 Types and Specifications of SFP+ Transceivers Supp Intensity of Intensity of Wave Transmitted Received Light lengt Cable Light (dBm) (dBm) Model Type (Yes/ (nm) Core XG-SFP-LR-SM1271-C1 -14.4 Core XG-SFP-LR-SM1291-C2 -14.4 Core XG-SFP-LR-SM1311-C3 -14.4 Core...
Page 54 Hardware Installation and Reference Guide CWDM Transceivers Acces XG-SFP-LR-SM1551-A7 -14.4 Acces XG-SFP-LR-SM1571-A8 -14.4 Table 5-4 Specification of Wiring of SFP+ Transceivers Core Interface Cable Max Cabling SFP Model Specification type Type Distance (um) XG-SFP-LR-SM1271-C1 9/125 10 km XG-SFP-LR-SM1291-C2 9/125 10 km XG-SFP-LR-SM1311-C3 9/125 10 km...
Page 55 Hardware Installation and Reference Guide Demultiplexers and Multiplexers Description Demultiplexers and Multiplexers Description 1. RG-DEMUX-24LC/LC: Core side DEMUX, RG-DEMUX-24LC/LC, core demultiplexer expansion module, packed in a separate box. 2. RG-DEMUX(C)-24LC/LC: Core side DEMUX, RG-DEMUX(C)-24LC/LC, 24-port core demultiplexer, supporting 1G/10G rate, with one reserved expansion slot.
Page 56 Hardware Installation and Reference Guide Recommended Cabling for Installation Recommended Cabling for Installation CWDM Fiber Cable Type This demultiplexer/multiplexer system uses CWDM technology, and G657A1 fiber is required according to the protocol specification. This type of fiber is recommended for cabling. The conventional single-mode fiber on the market is G652D fiber, which meets the transmission requirements of the wavelength division system.
Page 57: Site Selection
Hardware Installation and Reference Guide Site Selection Site Selection  The server room should be at least 5 km away from heavy pollution sources, such as the smelter works, coal mine, and thermal power plant. The server room should be at least 3.7 km away from medium pollution sources, such as the chemical factory, rubber factory, and electroplating factory.

This manual is also suitable for:

Rg-mux series Rg-demux-24lc/lc Rg-demuxc-24lc/lc Rg-demux-48lc/lc Rg-mux-24lc/lc Rg-muxc-24lc/lc ... Show all