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Raisecom
Gazelle S1503i (A) User Manual

1

Overview

Raisecom Technology Co., Ltd.

1

1

Overview

This chapter describes basic information about the Gazelle S1503i, including the following
sections:







1.1 Introduction

The network-manageable guide-rail Layer 2 industrial Ethernet switch Gazelle S1503i
(hereinafter referred to as the Gazelle S1503i), is characterized by all-GE interfaces, guide-
rail chassis, full metal shell, fan-free design for heat dissipation, small size, low power
consumption, and easy installation. The Gazelle S1503i can address the needs of the access-
layer guide-rail switch in industrial control, intelligent transportation, and electrical ring
network scenarios.

The Gazelle S1503i supports complete Layer 2 features and network management
performance, and provides multiple interface types, including electrical interface, optical
interface, and serial interface.

The Gazelle S1503i has several models, which provides different form and number of
interfaces. For details, see section 1.3 Models.

1.2 Features

1.2.1 High reliability

The Gazelle S1503i is characterized by high reliability:



Adopt an industrial-level chip and power module, and is designed with lower power
consumption



Possess a guide-rail chassis, full metal shell, and fan-free heat dissipation design.



Support IP40 protection level.



Support wide-temperature working environment with the operating temperature in the
range of -40 to 75°C and storage temperature in the range of -40 to 85°C.

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Summary of Contents for Gazelle S1503i

Page 1: ...Gazelle S1503i A User Manual Rel_01 www raisecom com ...

Page 2: ...ication may be excerpted reproduced translated or utilized in any form or by any means electronic or mechanical including photocopying and microfilm without permission in Writing from Raisecom Technology Co Ltd is the trademark of Raisecom Technology Co Ltd All other trademarks and trade names mentioned in this document are the property of their respective holders The information in this document ...

Page 3: ...roduct name Product version Software version Hardware version Gazelle S1503i P100R001 V2 1 or later A 00 or later Conventions Symbol conventions The symbols that may be found in this document are defined as follows Symbol Description Indicate a hazard with a medium or low level of risk which if not avoided could result in minor or moderate injury Indicate a potentially hazardous situation that if ...

Page 4: ... Notes and Tip are in Arial Boldface Names of files directories folders and users are in boldface For example log in as user root Italic Book titles are in italics Lucida Console Terminal display is in Lucida Console Change history Updates between document versions are cumulative Therefore the latest document version contains all updates made to previous versions Issue 01 2014 09 30 Initial commer...

Page 5: ...earance 4 2 1 1 Front appearance 4 2 1 2 Top appearance 5 2 1 3 Rear appearance 7 2 2 Interfaces 7 2 2 1 Service interface 7 2 2 2 Management and auxiliary interfaces 8 2 3 Interface parameters 9 2 3 1 1000BASE X SFP optical interface 9 2 3 2 100BASE FX SFP optical interface 9 2 3 3 10 100 1000BASE T electrical interface 9 2 3 4 Serial interface 10 2 4 Lookup table for optical module parameters 10...

Page 6: ...anaging remote serial devices through network interface 32 5 Hardware installation 33 5 1 Preparing for installation 33 5 1 1 Enviromental conditions 33 5 1 2 Power conditions 33 5 1 3 Electrostatic conditions 34 5 1 4 Grounding conditions 34 5 1 5 Other conditions 34 5 1 6 Precautions before opening packet 34 5 2 Installing device 34 5 2 1 Installing device on guide rail 34 5 2 2 Installing devic...

Page 7: ...Web 47 7 1 3 SNMP 47 7 2 Maintenance methods 47 7 2 1 Ping 47 7 2 2 Traceroute 48 7 2 3 Enviromental monitoring 48 7 2 4 RMON management 48 7 2 5 System log 48 7 2 6 Watchdog 48 7 2 7 Port mirroring 48 7 3 NView NNM system 49 7 3 1 Functions 49 7 3 2 Features 49 8 Appendix 51 8 1 Terms 51 8 2 Acronyms and abbreviations 56 ...

Page 8: ...ossover cable 20 Figure 2 12 Wiring of the 1000 Mbit s crossover cable 21 Figure 2 13 Serial cable 21 Figure 2 14 European standard AC power cable 23 Figure 2 15 American standard AC power cable 23 Figure 2 16 DC power cable socket 24 Figure 2 17 Grounding cable 25 Figure 2 18 OT terminal 25 Figure 4 1 Managing the remote serial device through the serial interface 32 Figure 4 2 Managing remote net...

Page 9: ...cable 39 Figure 5 9 Connector for connecting the DC power cable 40 Figure 5 10 Connector for connecting the AC power cable 40 Figure 6 1 Networking scheme of rail transportation ISCS by using the Gazelle S1503i 43 Figure 6 2 Networking scheme of secure campus SDS by using the Gazelle S1503i 44 Figure 6 3 Networking scheme of serial server by using the Gazelle S1503i 45 Figure 7 1 Orientation of th...

Page 10: ...ule 11 Table 2 10 Parameters of the FE 155 Mbit s dual fiber bidirectional optical module 12 Table 2 11 Parameters of the FE 155 Mbit s single fiber bidirectional optical module 12 Table 2 12 LEDs on the Gazelle S1503i 13 Table 2 13 AC power module on the Gazelle S1503i 14 Table 2 14 DC power module on the Gazelle S1503i 15 Table 2 15 Specifications of the power module 15 Table 2 16 Type and usage...

Page 11: ...ions of the grounding cable 26 Table 2 27 Technical specifications of the OT terminal 26 Table 3 1 Overall parameters of the Gazelle S1503i 28 Table 3 2 Environmental requirements of the Gazelle S1503i 29 Table 5 1 Power conditions of the Gazelle S1503i 33 Table 5 2 Items to inspected after installation 41 ...

Page 12: ...lligent transportation and electrical ring network scenarios The Gazelle S1503i supports complete Layer 2 features and network management performance and provides multiple interface types including electrical interface optical interface and serial interface The Gazelle S1503i has several models which provides different form and number of interfaces For details see section 1 3 Models 1 2 Features 1...

Page 13: ... operation of the network 1 2 4 Strict QoS guarantee The Gazelle S1503i supports following flow traffic management technologies Support QoS based on the IEEE 802 1p standard to provide users with reliable and effective methods for service optimization Support interface trust mode trust Class of Service CoS priority and Differentiated Services Code Point DSCP priority Support interface based priori...

Page 14: ... the Gazelle S1503i can be managed through the NView NNM platform which can realizes alarm management of a single device or multiple devices to achieve the goal of managing all devices comprehensively Support Telnet and SSH remote login to realize remote management and maintenance Support multiple software upgrading modes such as TFTP FTP SFTP Network Management System NMS and Web 1 3 Models The G...

Page 15: ...rfaces Interface parameters Lookup table for optical module parameters LEDs Power module Cables 2 1 Appearance Dimensions of the Gazelle S1503i chassis 56 mm Width 105 mm Depth 135 mm Height The Gazelle S1503i can be installed in the following scenarios Guide rail Wall 2 1 1 Front appearance Gazelle S1503i R Figure 2 1 shows the front appearance of the Gazelle S1503i GF 2GE R AC model The appearan...

Page 16: ...ont appearance of the Gazelle S1503i GF 2GE R AC model 1 Service serial interface RS 485 RS 232 2 Service interfaces 1 2 LNK ACT and SPD 3 Service interface 3 SFP optical interface 4 LEDs SYS PWR LNK ACT3 TD and RD 2 1 2 Top appearance Figure 2 2 shows the top appearance of the Gazelle S1503i AC model ...

Page 17: ...of the Gazelle S1503i AC model 1 RST button 2 Grounding terminal 3 AC power interface PWR Figure 2 3 shows the top appearance of the Gazelle S1503i DC model taking 24V 48V model for example Figure 2 3 Top appearance of the Gazelle S1503i DC model 1 RST button 2 Grounding terminal 3 DC power interface PWR1 and PWR2 ...

Page 18: ...ear appearance Figure 2 4 shows the rear appearance of the Gazelle S1503i Figure 2 4 Rear appearance of the Gazelle S1503i 1 Clamping connector 2 2 Interfaces 2 2 1 Service interface The Gazelle S1503i provides multiple interfaces to carry services Table 2 1 lists interfaces on the Gazelle S1503i ...

Page 19: ...ion For details see Gazelle S1503i A Configuration Guide 1 2 RJ45 10 100 1000BASE T electrical interface 3 SFTP Support the following optical modules 100BASE FX 1000BASE X Gazelle S1503i GF 2GE 1 2 RJ45 10 100 1000BASE T electrical interface 3 SFP Support the following optical module 100BASE FX 1000BASE X 2 2 2 Management and auxiliary interfaces Table 2 2 lists management and auxiliary interfaces...

Page 20: ...d network protocol IP 2 3 2 100BASE FX SFP optical interface Table 2 4 lists parameters of the 100BASE FX SFP optical interface Table 2 4 Parameters of the 100BASE FX SFP optical interface Parameter Description Connector type LC PC Coding scheme 4B 5B Duplex mode Full duplex Compliant standard IEEE 802 3 Supported network protocol IP 2 3 3 10 100 1000BASE T electrical interface Table 2 5 lists par...

Page 21: ...rial interface Parameter Description Connector type Phoenix terminal Electrical feature RS 232 Working mode Full duplex Baud rate 128 Baud 230 kBaud Transmission distance 15 m The RS 485 serial interface supports half duplex mode only You can perform configurations through Web interface or command line Table 2 7 lists parameters of the RS 485 serial interface Table 2 7 Parameters of the RS 485 ser...

Page 22: ...30 870 9 5 to 3 0 9 17 Multi mode 0 55 USFP Gb S1 I 1310 1260 1620 10 to 3 3 9 21 Single mode 15 USFP Gb S2 I 1310 1260 1620 2 to 3 3 9 21 Single mode 40 USFP Gb S3 I 1550 1260 1620 0 5 3 9 22 Single mode 80 Single fiber bidirectional LC PC Table 2 9 Parameters of the GE 1250 Mbit s single fiber bidirectional optical module Model Tx wavelen gth nm Rx wavelength nm Tx optical power EOL dBm Overloa ...

Page 23: ... mode 2 USFP 03 S1 I 1310 1260 1620 15 to 8 8 10 34 Single mode 15 USFP 03 S2 I 1310 1260 1620 5 to 0 8 8 2 34 Single mode 40 USFP 03 S3 I 1550 1260 1620 5 to 0 8 10 34 Single mode 80 Single fiber bidirectional LC PC Table 2 11 Parameters of the FE 155 Mbit s single fiber bidirectional optical module Model Tx wavelen gth nm Rx wavelength nm Tx optical power EOL dBm Overl oadin g point dBm Extinct ...

Page 24: ...s Blinking green the optical interface is receiving or sending data Off the optical interface is in Link Down status Power status LED PWR1 DC Green Green power supply 1 is normal Off power supply 1 is abnormal or off PWR2 DC Green Green power supply 2 is normal Off power supply 2 is abnormal or off PWR AC Green Green AC power is normal Off AC power is abnormal or off System status LED SYS Green Gr...

Page 25: ...he Gazelle S1503i is a 5 PIN Phoenix terminal interface of which two PINs are 7 62 mm from each other AC power Figure 2 5 shows appearance of the AC power interface Figure 2 5 Appearance of theAC power interface There is one power input interface on the top of the AC power module Table 2 13 lists interface type and description of the AC power module Table 2 13 AC power module on the Gazelle S1503i...

Page 26: ...terface type and description are as listed in Table 2 14 Table 2 14 DC power module on the Gazelle S1503i Power module Print Description DC power module PWR1 Positive input terminal of power 1 PWR1 Negative input terminal of power 1 PE Grounding terminal PWR2 Negative input terminal of power 2 PWR2 Positive input terminal of power 2 2 6 3 Specifictions Table 2 15 lists specifications of the power ...

Page 27: ... Optical Distribution Frame ODF or optical interfaces of other devices through fiber Table 2 16 lists the type and usage of the fiber Table 2 16 Type and usage of the fiber Usage Local connector Remote connector Type Standard Connect the Gazelle S1503i to the ODF through the Ethernet optical interface Connect the Ethernet optical interface on the Gazelle S1503i to optical interfaces on other devic...

Page 28: ...fiber connector Figure 2 8 shows the appearance of the LC PC fiber connector Figure 2 8 LC PC fiber connector When connecting or removing the LC PC fiber connector align the connector with the optical interface and do not rotate the fiber Operate as below To connect the fiber align the head of the fiber with the optical interface and insert the fiber into the interface gently To remove the fiber p...

Page 29: ...ble on site according to technical specifications Appearance Figure 2 9 shows the Ethernet cable Figure 2 9 Ethernet cable Technical specifications The Ethernet cables have two types Straight through cable used to connect devices of different type such as between a PC and a switch between a switch and a router Crossover cable used to connect devices of the same type such as between PCs between swi...

Page 30: ... of the Ethernet cable Item Description Name CBL ETH RJ45 RJ45 D Connector RJ45 crystal head Model Cat 5 or better UTP UTP 5 and UTP 5e or STP cable Number of cores 8 Length The letter D is the length indicating that the cable is customized For example if the customer requires 2 meter cables they are named CBL ETH RJ45 RJ45 2m Straight through cable Both two RJ45 connectors of the straight through...

Page 31: ...Mbit s crossover cable One RJ45 connector of the 100 Mbit s crossover cable follows EIA TIA 568A standard wiring the other RJ45 connector follows EIA TIA 568B standard wiring Figure 2 11 shows the wiring of the 100 Mbit s crossover cable Figure 2 11 Wiring of the 100 Mbit s crossover cable The 1000 Mbit s crossover cable uses all 8 pins The crossover is PIN1 to PIN3 PIN2 to PIN6 PIN4 to PIN7 and P...

Page 32: ...1503i to the peer device It transmits status information and data collected from devices such as sensors detectors Programmable Logic Controllers PLCs and intelligent terminals to the standard TCP IP network The Gazelle S1503i supports RS 232 and RS 485 half duplex serial interface modes Appearance Figure 2 13 shows the serial cable Figure 2 13 Serial cable PIN definitions Table 2 21 lists PIN def...

Page 33: ...cifications 2 7 4 AC power cable Introduction The AC power cable supplies 110 220 VAC power and 110 220 VDC power from the power souring equipment to the power interface on the Gazelle S1503i and then transmits power to the entire device The AC power cables of the Gazelle S1503i are different according to local standards Table 2 22 AC power cables Regional standard Description Europe POL AC French...

Page 34: ...cifications of the European standard AC power cable Parameter Description Name POL AC European standard 3 pin stripped 0 75mm2 1 5m RoHS Connector French mode 3 pin plug 7 62 5PIN head RoHS Color Outer Black PVC insulating layer Inner Blue N brown L yellow green strip E Type Copper core multi strand power cable 18AWG 0 75 mm2 Length 1 5 m Table 2 24 lists specifications of the American standard AC...

Page 35: ...urrent from the power souring equipment to the power interface of the Gazelle S1503i and then transmits power to the entire device Appearance The DC power cable is composed of the connector and conducting wire as shown in Figure 2 16 Figure 2 16 DC power cable socket Technical specifications Table 2 25 lists technical specifications of the DC power cable Table 2 25 Technical specifications of the ...

Page 36: ...grounding cable is used to connect the Gazelle S1503i to the ground Appearance The grounding cable is composed of grounding terminals and the coaxial cable The grounding terminal is usually an OT non insulated terminal The coaxial cable is a yellow green copper soft flame retardant conducting wire Figure 2 17 and Figure 2 18 show the grounding cable and OT terminal Figure 2 17 Grounding cable 1 Co...

Page 37: ...mm long and plated with tin Insulating sheath 3 5 1 75 black heat shrink tubing It is a 20 mm plastic tube which shrinks when being heated Welding technology The conducting wire and OT terminals adopt solderless pressed connection Error in length of conducting wire 5 mm Table 2 27 lists technical specifications of the OT terminal Table 2 27 Technical specifications of the OT terminal Item Descript...

Page 38: ...Gazelle S1503i A User Manual 2 Hardware structure Raisecom Technology Co Ltd 27 The grounding cable cannot be longer than 30 m and should be as short as possible otherwise a grounding bar should be used instead ...

Page 39: ... 3 1 lists overall parameters of the Gazelle S1503i Table 3 1 Overall parameters of the Gazelle S1503i Item Parameter Dimensions 56 mm Width 105 mm Depth 135 mm Height Maximum power consumption 5 W Weight without guide rail 0 7 kg Operating temperature 40 to 75 C Operating Humidity 5 95 RH non condensing Protection level IP40 Power DC power 1 Rated voltage 12 24 VDC Voltage range 10 36 VDC DC powe...

Page 40: ... 5 level 4 requirements Power Frequency Magnetic Field meets IEC 61000 4 8 level 3 requirements Pulse Magnetic Field meets IEC 61000 4 9 level 3 requirements Damped Oscillation Magnetic Field meets IEC 61000 4 10 level 3 requirements Conducted Immunity CI meets IEC 61000 4 6 level 3 requirements DC power sag or temporary interruption immunity meets IEC 61000 4 29 requirements AC power voltage fall...

Page 41: ... select and process the serial data flow It transfers the serial data in support of the RS 485 protocol to IP interface data and then performs IP management and data access In this case you can use the general IP channel to transmit traditional serial data without discarding the serial devices thus enhancing the utilization rate of the device as well as saving costs Serial servers can be used with...

Page 42: ...e In Reverse Telnet mode the serial server acts as the Telnet Server In general the serial interface of the serial server is connected to the Console interface of the serial device After the management device establishes Telnet communication with the serial server the serial server will transfer communication data to serial data for transmission to the sub serial device In this case the management...

Page 43: ...uplex mode after changing the interface of the remote device to the network interface Figure 4 2 Managing remote network interface device through serial interface 4 3 3 Managing remote serial devices through network interface As shown in Figure 4 3 you can manage the remote device by configuring the serial interface of the switch to the RS 485 interface in half duplex mode after changing the inter...

Page 44: ... 5 1 Preparing for installation 5 1 1 Enviromental conditions The Gazelle S1503i can be installed in the following scenarios Guide rail Wall Before installation ensure the environmental conditions to meet the operating environment of the Gazelle S1503i For details see section 3 3 Environmental standards 5 1 2 Power conditions Table 5 1 lists power conditions of the Gazelle S1503i Table 5 1 Power c...

Page 45: ... and the grounding resistance should be no more than 1 Ω Grounding properly is a necessity for lightning protection and anti interference 5 1 5 Other conditions Before installation you should make sure that the corollary device is ready For example cables and supporting facilities are correctly installed 5 1 6 Precautions before opening packet The Gazelle S1503i is packed in a special box you shou...

Page 46: ...amping rail connector is connected to the guide rail tightly 5 2 2 Installing device on wall You can choose either guide rail installation or wall mount installation as needed You need to remove the clamping rail connector on the rear panel before the wall mount installation The Gazelle S1503i is not delivered with the wall mount plate You can order it separately if needed Follow following steps t...

Page 47: ...ping rail connector Step 2 Install the wall mount plate to the rear panel of the Gazelle S1503i and clockwise screw the wall mount plate tightly as shown in Figure 5 4 Figure 5 4 Installing the wall mount plate to the rear panel of the Gazelle S1503i Step 3 Install the wall mount plate to the wall as shown in Figure 5 5 ...

Page 48: ...tive grounding cable correctly during installation which helps avoid personal injury and equipment damage Follow following steps to connect the protective grounding cable Step 1 Anticlockwise untighten the screw of the grounding terminal and properly keep the screw and shims taken down as shown in Figure 5 6 Figure 5 6 Untightening the screw of the grounding terminal Step 2 Fit the OT terminal of ...

Page 49: ...cause eye injury Therefore you should not look directly at the optical interface head of the optical connector or breakage of the fiber Inserting optical module Insert the SFP optical module into the optical interface on the Gazelle S1503i Connecting LC PC fiber When connecting or removing the LC PC optical connector align the connector with the optical interface and do not rotate the fiber The pr...

Page 50: ...onnecting the Ethernet cable 5 4 3 Connecting power cable Connecting DC power cable Make sure the grounding cable is grounded correctly before connecting the power cable Disconnect all power supplies before connecting or removing the power cable Use the power cable which meets the technical specifications The DC power interface of the Gazelle S1503i is a 5 PIN Phoenix terminal The process to conne...

Page 51: ...e The AC power cable of the Gazelle S1503i is a 5 PIN Phoenix terminal The process to connect the power cable is as below Step 1 Make the AC power cable according to specifications Step 2 Insert the AC power cable head into the power interface of the Gazelle S1503i and confirm full insertion as shown in Figure 5 10 Figure 5 10 Connector for connecting the AC power cable Step 3 Connect the other en...

Page 52: ...maged disconnected or intermediately connected Check 6 Labels on the two ends of the signal cable are correct distinct and neat Check 7 Pigtail of fiber should be fit into a pipe sleeve or groove for protection and it should not be extruded by other cables or objects when it is placed outside the cabinet Check 8 The curvature radius of the fiber should be greater than 20 times of the diameter of t...

Page 53: ...ring and enhances the automatic level security reliability and responsiveness ISCS has the following two levels Level 1 the centralized ISCS It is located in the control center of the subway line and adopts the 100 1000 Mbit s double star redundant Ethernet Level 2 the station level ISCS including the station vehicle depot and parking lot It adopts the 100 1000 Mbit s double star redundant Etherne...

Page 54: ...data such as video audio and alarms The transmission network system transmits control information alarms and video information through the network according to the workflow It transmits images and alarms received from the front end device to the control center through the network The control center manages all users data and control signals It is responsible for displaying saving and processing da...

Page 55: ... system communication The serial server can bidirectionally transmit data between the serial interface and Ethernet based on the TCP IP protocol By connecting the traditional serial interface to the Ethernet you can check and manage the remote device through the network The administrator can visit multiple serial devices from the remote control host through the TCP connection The Gazelle S1503i ca...

Page 56: ... User Manual 6 Networking applications Raisecom Technology Co Ltd 45 Figure 6 3 shows the networking scheme of serial server by using the Gazelle S1503i Figure 6 3 Networking scheme of serial server by using the Gazelle S1503i ...

Page 57: ...ard protocol for Internet remote login You can transfer the PC used by the local user to a terminal in remote host system through the Telnet protocol Using the Telnet program on the terminal user s PC you can log in to and manage the Gazelle S1503i SSH management Secure Shell SSH is a protocol for secure remote login and other secure network services over an insecure network When users undergo rem...

Page 58: ...Compatible with SNMP v1 SNMP v2c also uses community name authentication mechanism SNMP v2c supports more operation types data types and error codes and thus better identifying errors SNMP v3 uses User based Security Model USM and View based Access Control Model VACM security mechanism You can configure whether USM authentication is enabled and whether encryption is enabled to provide higher secur...

Page 59: ... four function groups statistic group historical group alarm group and event group 7 2 5 System log System log refers that the device records the system information and debugging information in a log and sends the log to the specified destination When the device fails you can check and locate the fault easily The system information and some debugging output will be sent to the system log to proces...

Page 60: ...ance metrics such as interfaces traffic and bandwidth utilization Inventory management manages physical inventory such as devices chassis and interfaces User management manages information about all connected users and allows building relation between the customer and the device as well as the interface This function helps quickly locate affected customers Security management supports user account...

Page 61: ...such as COBRA SNMP JDBC and SOCKET interfaces Communicate with NE level devices through SNMP in southbound With module design it supports flexible deployment according to actual situation Be able to be interconnected to the Operation Support System OSS It implements OAM functions between the OSS and NEs through the northbound interface such as service activation alarm reporting alarm synchronizati...

Page 62: ...utting down the laser to avoid the maintenance and operation risks when the fiber is pulled out or the output power is over great Auto negotiation The interface automatically chooses the rate and duplex mode according to the result of negotiation The auto negotiation process is the interface adapts its rate and duplex mode to the highest performance according to the peer interface that is both end...

Page 63: ...IP address to prevent common ARP attacks Dynamic Host Configuration Protocol DHCP A technology used for assigning IP address dynamically It can automatically assign IP addresses for all clients in the network to reduce workload of the administrator In addition it can realize centralized management of IP addresses E Ear hanging A component installed on both sides of the chassis used for install the...

Page 64: ...rganizations IANA also maintains a database of assigned protocol identifiers used in the TCP IP suite including autonomous system numbers Internet Engineering Task Force IETF A worldwide organization of individuals interested in networking and the Internet Managed by the Internet Engineering Steering Group IESG the IETF is charged with studying technical problems facing the Internet and proposing ...

Page 65: ...tion connection device between the fiber and a communication device It is an important part of the optical transmission system It is mainly used for fiber splicing optical connector installation fiber adjustment additional pigtail storage and fiber protection P Password Authentication Protocol PAP PAP is an authentication protocol that uses a password in Point to Point Protocol PPP It is a twice h...

Page 66: ...ic system and service it may relate to jitter delay packet loss ratio bit error ratio and signal to noise ratio R Rapid Spanning Tree Protocol RSTP Evolution of the Spanning Tree Protocol STP which provides improvements in the speed of convergence for bridged networks Remote Authentication Dial In User Service RADIUS RADIUS refers to a protocol used to authenticate and account users in the network...

Page 67: ... mainly used to replace the private VLAN Tag of the Ethernet service packet with the ISP s VLAN Tag making the packet transmitted according to ISP s VLAN forwarding rules When the packet is sent to the peer private network from the ISP network the VLAN Tag is restored to the original private VLAN Tag according to the same VLAN forwarding rules Thus the packet is sent to the destination correctly 8...

Page 68: ...mation Rate CIST Common Internal Spanning Tree CLI Command Line Interface CoS Class of Service CPU Central Processing Unit CRC Cyclic Redundancy Check CSMA CD Carrier Sense Multiple Access Collision Detection CST Common Spanning Tree D DAI Dynamic ARP Inspection DBA Dynamic Bandwidth Allocation DC Direct Current DHCP Dynamic Host Configuration Protocol DiffServ Differentiated Service DNS Domain Na...

Page 69: ...Attribute Registration Protocol GE Gigabit Ethernet GMRP GARP Multicast Registration Protocol GPS Global Positioning System GVRP Generic VLAN Registration Protocol H HDLC High level Data Link Control HTTP Hyper Text Transfer Protocol I IANA Internet Assigned Numbers Authority ICMP Internet Control Message Protocol IE Internet Explorer IEC International Electro technical Commission IEEE Institute o...

Page 70: ...otocol LLDPDU Link Layer Discovery Protocol Data Unit M MAC Medium Access Control MDI Medium Dependent Interface MDI X Medium Dependent Interface cross over MIB Management Information Base MSTI Multiple Spanning Tree Instance MSTP Multiple Spanning Tree Protocol MTBF Mean Time Between Failure MTU Maximum Transmission Unit MVR Multicast VLAN Registration N NMS Network Management System NNM Network ...

Page 71: ...ata Unit PE Provider Edge PIM DM Protocol Independent Multicast Dense Mode PIM SM Protocol Independent Multicast Sparse Mode Ping Packet Internet Grope PPP Point to Point Protocol PPPoE PPP over Ethernet PTP Precision Time Protocol Q QoS Quality of Service R RADIUS Remote Authentication Dial In User Service RCMP Raisecom Cluster Management Protocol RED Random Early Detection RH Relative Humidity R...

Page 72: ...l SLA Service Level Agreement SNMP Simple Network Management Protocol SNTP Simple Network Time Protocol SP Strict Priority SPF Shortest Path First SSH Secure Shell STP Spanning Tree Protocol T TACACS Terminal Access Controller Access Control System TC Transparent Clock TCP Transmission Control Protocol TFTP Trivial File Transfer Protocol TLV Type Length Value ToS Type of Service TPID Tag Protocol ...

Page 73: ...Raisecom Gazelle S1503i A User Manual 8 Appendix Raisecom Technology Co Ltd 62 VRRP Virtual Router Redundancy Protocol W WAN Wide Area Network WRR Weight Round Robin ...

Page 74: ...ss Raisecom Building No 11 East Area No 10 Block East Xibeiwang Road Haidian District Beijing P R China Postal code 100094 Tel 86 10 82883305 Fax 8610 82883056 http www raisecom com Email export raisecom com ...

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