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Installation Manual
Quidway S6502 Ethernet Switch

Chapter 2 Line Processing Unit

Huawei Technologies Proprietary

2-5

2.4 LS81FT48F-PoE-Supported 48-port 10/100Base-T Fast
Ethernet Card

Figure 2-5

LS81FT48F appearance

2.4.1 Introduction to Card

This LPU provides 48

10/100 Mbps auto-sensing Ethernet electrical interface service

channels. And all the interfaces support PoE, that is, to implement remote power

supply to PDs through Ethernet twisted pair cables.

Table 2-5

LS81FT48F attribute

Attribute

LS81FT48F

CPU MPC8241

BootROM 512

SDRAM 128M

Dimensions (L

366.7

340 mm (14.4

13.4 in.)

Maximum power
consumption

35 W

Connector RJ-45

Number of
i8nterfaces

Interface
transmission speed

10/100 Mbps half-/full-duplex

MDI/MDI-X auto-sensing

Matching cable and
maximum
transmission
distance

Category-5 twisted pair with maximum transmission
distance of 100 m (328 ft)

Maximum PoE
distance

100m (328 ft)

Summary of Contents for Quidway S6502

Page 1: ...Huawei Technologies Proprietary HUAWEI Quidway S6502 Ethernet Switch Installation Manual Release 3000 Series ...

Page 2: ...d service If you purchase the products from the sales agent of Huawei Technologies Co Ltd please contact our sales agent If you purchase the products from Huawei Technologies Co Ltd directly Please feel free to contact our local office customer care center or company headquarters Huawei Technologies Co Ltd Address Administration Building Huawei Technologies Co Ltd Bantian Longgang District Shenzhe...

Page 3: ...bridge Tellwin Inmedia VRP DOPRA iTELLIN HUAWEI OptiX C C08iNET NETENGINE OptiX iSite U SYS iMUSE OpenEye Lansway SmartAX infoX and TopEng are trademarks of Huawei Technologies Co Ltd All other trademarks and trade names mentioned in this manual are the property of their respective holders Notice The information in this manual is subject to change without notice Every effort has been made in the p...

Page 4: ...y S6502 Ethernet Switch Installation Manual mainly introduces the hardware features installation configuration and maintenance of S6502 Ethernet Switch To avoid any possible device damage and personal injury before the installation and during the installation please read the manual carefully The manual consists of the following chapters Chapter 1 Product Overview The chapter introduces the charact...

Page 5: ... engineers z Network administrators z Customers who are familiar with network fundamentals Conventions The manual uses the following conventions I General conventions Convention Description Arial Normal paragraphs are in Arial Boldface Headings are in Boldface Courier New Terminal Display is in Courier New II GUI conventions Convention Description Button names are inside angle brackets For example...

Page 6: ...n without moving the pointer Double Click Press the primary mouse button twice continuously and quickly without moving the pointer Drag Press and hold the primary mouse button and move the pointer to a certain position V Symbols Eye catching symbols are also used in the manual to highlight the points worthy of special attention during the operation They are defined as follows Caution Warning Dange...

Page 7: ... 2 Backplane 1 12 1 6 3 Power Supplies 1 12 1 6 4 External PoE Power Supply 1 14 1 6 5 Fan Tray 1 14 1 7 Technical Specifications 1 15 Chapter 2 Line Processing Unit 2 1 2 1 Brief Introduction to LPU 2 1 2 2 LS81FT48A 48 port 10Base T 100Base TX Fast Ethernet Card 2 1 2 2 1 Introduction to Card 2 1 2 2 2 Panel and LEDs 2 2 2 2 3 Matching Cable 2 2 2 3 LS81FT48E 48 port 10 100Base T Fast Ethernet C...

Page 8: ...0A 20 port 10 100 1000Base T Ethernet Card 2 16 2 10 1 Introduction to Card 2 16 2 10 2 Panel and LEDs 2 17 2 10 3 Matching Cable 2 18 2 11 LS81GT48 48 port 10 100 1000Base T Ethernet Card 2 18 2 11 1 Introduction to Card 2 18 2 11 2 Panel and LEDs 2 19 2 11 3 Matching Cable 2 19 2 12 LS81GT48A PoE Supported 48 port 10 100 1000Base T Ethernet Card 2 20 2 12 1 Introduction to Card 2 20 2 12 2 Panel...

Page 9: ... 2 20 LS81TGX1C 1 port 10GBASE R XENPAK Ethernet Card 2 36 2 20 1 Introduction to Card 2 36 2 20 2 Panel and LEDs 2 37 2 20 3 Matching Cable 2 37 Chapter 3 Installation Preparations 3 1 3 1 Safety Information 3 1 3 1 1 General Recommendations 3 1 3 1 2 Electricity 3 1 3 1 3 Moving 3 1 3 1 4 Wearing an ESD Wrist Strap 3 2 3 1 5 Laser 3 3 3 2 Examining Installation Site 3 3 3 2 1 Temperature Humidit...

Page 10: ... up Configuration Environment 5 1 5 1 2 Connecting Console Cable 5 1 5 1 3 Setting Terminal Parameters 5 1 5 2 Powering on and Booting 5 5 5 2 1 Checking before Power on 5 5 5 2 2 Powering on the Switch 5 5 5 2 3 Checking after Power on Recommended 5 5 5 2 4 Booting Interface 5 5 Chapter 6 Switch Monitoring and Maintenance 6 1 6 1 Switch Monitoring 6 1 6 1 1 Configuration System Troubleshooting 6 ...

Page 11: ...prietary v 6 3 6 Dealing with Failed Loading 6 25 6 3 7 Dealing with Lost Password 6 26 Appendix A Lightning Protection of the Switch A 1 A 1 Installation of Lightning Arrester for AC Power Socket Strip with Lightning Protection A 1 A 2 Installation of Lightning Arrester for Network Port A 2 ...

Page 12: ...city cost effective layer three Ethernet switch It provides high density GE FE ports as well as modularized components that enable you to configure flexibly according to your specific needs ÇÓò Ç É Íø NE80 MAN back bone 小区网络小区网络小区网络小区网络 PO P CAN CAN CAN CAN POP GE GE Trunk GE GE Trunk S6500 series GE FE S3000 S3500 S2000 MA5200 GE FE FE GE S8016 ÇÓò Ç É Íø NE80 MAN back bone 小区网络小区网络小区网...

Page 13: ...ower system and fans which are transferred through the backplane In addition to these functions the SRPU of S6502 also can provide high density service ports z LS81P12TE provides four 10 100 1000BASE T ports and 12 1000BASE X SFP ports z LS81T12PE provides 12 10 100 1000BASE T port and four 1000BASE X SFP ports 1 2 SRPU specifications Table 1 1 SRPU specifications Item LS81T12PE LS81P12TE Switchin...

Page 14: ...12KB Flash memory 32MB SDRAM 256M Dimensions L W 366 7 340 mm 14 4 13 4 in Port Four 10 100 1000BASE T Ethernet ports 12 1000BASE X SFP Ethernet ports Max power consumption 40W Port rate 1000 Mbps full duplex optical port 10 Mbps half full duplex electric port 100 Mbps half full duplex electric port 1000M full duplex electric port SFP module Refer to Table 1 4 Ethernet port cable and max transmiss...

Page 15: ...anel and LEDs LS81P12TE has four 10 100 1000BASE T ports and 12 1000BASE X SFP ports each has a status LED with it Figure 1 3 illustrates the front panel of an LS81P12TE Figure 1 3 The front panel of an LS81P12TE The status LEDs on an LS81P12TE are described in Table 1 3 Table 1 3 Description of LEDs on the front panel of an LS81P12TE LED Status OFF The link is down or no link presented ON The lin...

Page 16: ...0BASE ZX LR SFP 40 km about 25 mi 1000BASE ZX VR SFP 70 km 43 mi 1000BASE ZX UR SFP 1550nm LC 9 125 µm single mode optical fiber cable 100km 62 mi SFP GE LH70 SM1 470 CW 1470nm LC 9 125 µm single mode optical fiber cable 70km 43 mi SFP GE LH70 SM1 490 CW 1490nm LC 9 125 µm single mode optical fiber cable 70km 43 mi SFP GE LH70 SM1 510 CW 1510nm LC 9 125 µm single mode optical fiber cable 70km 43 m...

Page 17: ...5 100m 328 ft II 10 100 1000Base T port cable Category 5 twisted pair cable is ended with RJ45 connectors whose maximum transmission distance is 100 m 1 4 LS81T12PE Figure 1 4 Appearance of LS81T12PE 1 4 1 Specifications Table 1 5 LS81T12PE specifications Item LS81P12TE CPU MPC8245 Boot ROM 512KB Flash memory 32MB SDRAM 256M Dimensions L W 366 7 340 mm 14 4 13 4 in Port 12 10 100 1000BASE T Ethern...

Page 18: ...andard IEEE 802 3z IEEE 802 3ab IEEE 802 1p IEEE 802 1Q IEEE 802 1D IEEE802 1X IEEE802 1s IEEE802 1w IEEE 802 3x IEEE 802 3ad IEEE802 3 1 4 2 Panel and LEDs LS81T12PE has 12 10 100 1000BASE T ports and four 1000BASE X SFP ports each has a status LED with it Figure 1 5 illustrates the front panel of an LS81T12PE Figure 1 5 LS81T12PE front panel The status LEDs on an LS81T12PE are described in Table...

Page 19: ...ching Engines and Cards Table 1 7 Cards supported by switching Engines Item LS81T12PE LS81P12TE LS81FT48A LS81FT48E LS81FT48F LS81FS24A LS81FM24A LS81GT8UA LS82GT20 LS82GT20A LS81GT48 LS81GT48A LS81T12P LS81P12T LS81GB8UA LS82GP20 LS82GP20A LS81TGX1B LS81TGX1C LS81T12PE LS81P12TE 1 6 Overall Hardware Layout of S6502 1 6 1 Chassis I Front view S6502 uses the XG high speed bus whose chassis is label...

Page 20: ...10 1 2 5 6 4 3 7 8 9 1 2 1 Power switch 2 Power module handle 3 RESET button 4 COM port 5 Console port 6 Management prot 7 Fan LED 8 Card status LED 9 Fan tray 10 Slot 1 11 Slot 0 Figure 1 6 The front panel of an S6502 switch Power modules The power modules in 1 1 redundancy are at the top left corner of the chassis You can select to be AC or DC powered There are LED power switch and power input s...

Page 21: ...le 1 9 Console port attributes Item Description Connector RJ45 Number of connector 1 Electric standard Asynchronous EIA TIA 232 Baudrate 115200 bps defaults to 9600 bps Transmission distance 15m 49 2 ft Function z For connection with an ASCII terminal z Being connected to the serial interface of a local PC or a remote PC running terminal emulation software Management port 10Base T 100Base TX The m...

Page 22: ...t ACTIVE Blinking Data is being transmitted or received through the port Fan tray status LEDs FAN Table 1 12 Fan tray status LEDs LED Status OFF A fan is faulty or out of position OK ON The fan tray runs normally OFF The fan tray runs normally FAIL ON A fan is faulty or out of position Card status LEDs LPU1 LPU2 LPU1 shows the status of the card at slot 0 LPU2 shows the status of the card at slot ...

Page 23: ...nal PoE power distribution unit Note The backplane SRPU power module and fan tray all are required components in S6502 1 6 2 Backplane The backplane mainly functions in Providing communication channels for signal exchange between cards Providing support for card hot swapping Auto detecting the card type inserted at slots Leading in electric power for distributed supply to the system Leading in sig...

Page 24: ...and DC power module have exactly the same dimensions and installation ports z AC power module and DC power module have exactly the same type of output plug in units located at the same position z AC power module and DC power module cannot be both inserted in one S6502 I AC power module For AC power supply you must use AC power module and AC power socket Table 1 14 AC power module specifications It...

Page 25: ... A1 power supply module can provide output power of 1250 W with 100 VAC to 140 VAC input voltage and two modules up to 2400 W output Three power supply modules are required to provide output power of 2400 W if power supply redundancy is desired When with 200 VAC to 240VAC input voltage a single PSE2500 A1 power supply module can provide 2500 W output Two power modules are required if power supply ...

Page 26: ...ght fully configured 44 lb 20 kg Number of SRPU slot 1 Number of LPU slot 1 Max GE ports 64 Max FE ports 48 MTBF mean time between failures 218 000 h MTTR mean time to repair 1 h AC Rated voltage 100 VAC to 240 VAC 50 Hz or 60 Hz Max voltage range 90 VAC to 264 VAC 50 Hz or 60 Hz Rated voltage 48 VDC to 60 VDC Max voltage range 36 VDC to 72 VDC Input voltage DC PoE input voltage 55 V to 46 V 55 0 ...

Page 27: ...vides 10 100 1000 Mbps autosensing Ethernet electrical ports 100 Mbps Ethernet single mode multimode optical ports GE single mode multimode GBIC optical ports SFP optical ports and 10G optical ports The following sections describe the LPU specifications and performances in detail 2 2 LS81FT48A 48 port 10Base T 100Base TX Fast Ethernet Card Figure 2 1 LS81FT48A appearance 2 2 1 Introduction to Card...

Page 28: ...dard IEEE802 3 IEEE802 3x IEEE802 3ad IEEE802 1p IEEE802 1D IEEE802 1Q IEEE802 1X IEEE802 1s IEEE802 1w 2 2 2 Panel and LEDs Figure 2 2 LS81FT48A panel Every 100 Mbps Ethernet port has a green LED The following table describes the LED state Table 2 2 LED state description of LS81FT48A LED State Description OFF No link is present ON A link is present LINK ACT Blinking Packets are being transmitted ...

Page 29: ...00 Mbps auto sensing Ethernet electrical interfaces Table 2 3 LS81FT48E attribute Attribute LS81FT48E CPU MPC8241 BootROM 512 KB SDRAM 128M Dimensions L W 366 7 340 mm 14 4 13 4 in Maximum power consumption 35 W Connector RJ 45 Number of interfaces 48 Interface transmission speed 10 100 Mbps half full duplex MDI MDI X auto sensing Matching cable and maximum transmission distance Category 5 twisted...

Page 30: ...IEEE802 1w 2 3 2 Panel and LEDs Figure 2 4 LS81FT48E panel Every port has a green LED The following table describes the LED state Table 2 4 LED state description of LS81FT48E LED State Description OFF No link is present ON A link is present LINK ACT Blinking Packets are being transmitted received on the port 2 3 3 Matching Cable The matching cable to the interface is category 5 twisted pair with a...

Page 31: ...e interfaces support PoE that is to implement remote power supply to PDs through Ethernet twisted pair cables Table 2 5 LS81FT48F attribute Attribute LS81FT48F CPU MPC8241 BootROM 512 KB SDRAM 128M Dimensions L W 366 7 340 mm 14 4 13 4 in Maximum power consumption 35 W Connector RJ 45 Number of i8nterfaces 48 Interface transmission speed 10 100 Mbps half full duplex MDI MDI X auto sensing Matching...

Page 32: ...1p IEEE802 1D IEEE802 1Q IEEE802 1X IEEE802 1s IEEE802 1w IEEE802 3af 2 4 2 Panel and LEDs Figure 2 6 LS81FT48F panel Every port has a green LED The following table describes the LED state Table 2 6 LED state description of LS81FT48F LED State Description Off No link is present On A link is present LINK ACT Blinking Packets are being transmitted received on the port 2 4 3 Matching Cable The matchi...

Page 33: ...LPU provides 24 100 Mbps auto sensing Ethernet optical interfaces Table 2 7 LS81FM24A LS81FS24A attribute Description Attribute LS81FM24A LS81FS24A CPU MPC850 BootROM 512 KB SDRAM 64M Dimensions L W 366 7 340 mm 14 4 13 4 in Maximum power consumption 70 W Connector MT RJ Number of interfaces 24 Interface transmission speed 100 Mbps full duplex Conformed standard IEEE802 3 IEEE802 3x IEEE802 3ad IE...

Page 34: ...s electrical port has a green LED The following table describes the LED state Table 2 8 LED state description of LS81FM24A LED State Description ON LINK The interface is properly connected to another interface OFF LINK The interface is not connected to any other interface LINK ACT Blinking ACT Packets are being transmitted received on the port 2 5 3 Matching Cable Table 2 9 Matching cable availabl...

Page 35: ...provides 48 100 Mbps full duplex SFP Ethernet optical ports Table 2 10 LS81FM24A LS81FS24A technical specifications Attribute LS81FP48 CPU MPC8241 Boot ROM 512 KB SDRAM 128M Dimensions L W 366 7 340 mm 14 4 13 4 in Max power consumption 36 5 W Connector LC Number of ports 48 Port transmission speed 100 Mbps full duplex SFP module z 100BASE FX MM SFP z 100BASE FX SM SFP z 100BASE FX SM LR SFP z 100...

Page 36: ...S81FP48 panel Each 100 Mbps electrical port has a green LED with it which is described in the following table Table 2 11 Description of a LS81FP48 LED LED State OFF The link is down or no link presented ON The link is active LINK ACT Blinking Data is being transmitted received through the port 2 6 3 Matching Cable Table 2 12 SFP interface cables SFP module Central wavelength Connector Matching cab...

Page 37: ... 10 100 1000Base T Ethernet Card Figure 2 11 LS81GT8UA appearance 2 7 1 Introduction to Card This LPU provides eight 10 100 1000 Mbps auto sensing Ethernet electrical interfaces Table 2 13 LS81GT8UA attribute Attribute LS81GT8UA CPU MPC850 BootROM 512KB SDRAM 64M Dimensions L W 366 7 340 mm 14 4 13 4 in Maximum power consumption 55 W Connector RJ 45 Number of interfaces 8 Interface transmission sp...

Page 38: ...7 2 Panel and LEDs Figure 2 12 LS81GT8UA panel Every port has two LEDs The following table describes the LED state Table 2 14 LED state description of LS81GT8UA LED State Off No link is present LINK On A link is present Off No packets are transmitted received on the port ACT Blinking Packets are being transmitted received on the port 2 7 3 Matching Cable The matching cable to the interface is cate...

Page 39: ... 1000 Mbps auto sensing Ethernet electrical interfaces Table 2 15 LS81GT8UE attribute Attribute LS81GT8UE CPU MPC850 BootROM 512 KB SDRAM 64M Dimensions L W 366 7 340 mm 14 4 13 4 in Maximum power consumption 12 W Connector RJ 45 Number of interfaces 8 Interface transmission speed 10 100 1000 Mbps half full duplex MDI MDI X auto sensing Matching cable and maximum transmission distance Category 5 t...

Page 40: ...nd LEDs Figure 2 14 LS81GT8UE panel Every port has two LEDs The following table describes the LED state Table 2 16 LED state description of LS81GT8UE LED State OFF No link is present LINK ON A link is present OFF No packets are transmitted received on the port ACT Blinking Packets are being transmitted received on the port 2 8 3 Matching Cable The matching cable to the interface is category 5 twis...

Page 41: ...attribute Attribute LS82GT20 CPU MPC8241 BootROM 512 KB SDRAM 64M Dimensions L W 366 7 340 mm 14 4 13 4 in Maximum power consumption 45 W Connector RJ 45 Number of interfaces 20 Interface transmission speed 10 100 Mbps half full duplex 1000 Mbps full duplex MDI MDI X auto sensing Matching cable and maximum transmission distance Category 5 twisted pair with maximum transmission distance of 100 m 32...

Page 42: ...T20 LED State Description OFF No link is present ON A link is present LINK ACT Blinking Packets are being transmitted received on the port 2 9 3 Matching Cable The matching cable to the interface is category 5 twisted pair with a maximum transmission distance of 100 m 328 ft 2 10 LS82GT20A 20 port 10 100 1000Base T Ethernet Card Figure 2 17 LS82GT20A appearance 2 10 1 Introduction to Card This LPU...

Page 43: ...umber of interfaces 20 Interface transmission speed 10 100 Mbps half full duplex 1000 Mbps full duplex MDI MDI X auto sensing Matching cable and maximum transmission distance Category 5 twisted pair with maximum transmission distance of 100 m 328 ft Conformed standard IEEE 802 3ab IEEE802 3 IEEE802 3x IEEE802 1p IEEE802 1D IEEE802 1Q IEEE802 1X IEEE802 1w IEEE802 1ad IEEE802 1s 2 10 2 Panel and LE...

Page 44: ...of 100 m 328 ft 2 11 LS81GT48 48 port 10 100 1000Base T Ethernet Card Figure 2 19 LS81GT48 appearance 2 11 1 Introduction to Card This LPU provides 48 x 10 100 1000 Mbps auto sensing Ethernet electrical interfaces Table 2 21 LS81GT48 attribute Attribute LS81GT48 CPU MPC8241 BootROM 512 KB SDRAM 128M Dimensions L W 366 7 340 mm 14 4 13 4 in Maximum power consumption 70 W Connector RJ 45 Number of i...

Page 45: ...s IEEE802 1w 2 11 2 Panel and LEDs Figure 2 20 LS81GT48 panel Every port has a LED The following table describes the LED state Table 2 22 LED state description of LS81GT48 LED State Description Off No link is present On A link is present LINK ACT Blinking Packets are being transmitted received on the port 2 11 3 Matching Cable The matching cable to the interface is category 5 twisted pair with a m...

Page 46: ...te power supply to PDs through Ethernet twisted pair cables Table 2 23 LS81GT48A attribute Attribute LS81GT48A CPU MPC8241 BootROM 512 KB SDRAM 128M Dimensions L W 366 7 340 mm 14 4 13 4 in Maximum power consumption 70 W Connector RJ 45 Number of interfaces 48 Interface transmission speed 10 100 1000 Mbps half full duplex MDI MDI X auto sensing Matching cable and maximum transmission distance Cate...

Page 47: ...802 1w IEEE802 3af 2 12 2 Panel and LEDs Figure 2 22 LS81GT48A panel Every port has a LED The following table describes the LED state Table 2 24 LED state description of LS81GT48A LED State Description Off No link is present On A link is present LINK ACT Blinking Packets are being transmitted received on the port 2 12 3 Matching Cable The matching cable to the interface is category 5 twisted pair ...

Page 48: ...l interfaces and four 1000 Mbps full duplex SFP interfaces Table 2 25 LS81T12P attribute Attribute LS81T12P CPU MPC8241 BootROM 512 KB SDRAM 128M Dimensions L W 366 7 340 mm 14 4 13 4 in Maximum power consumption 40 W Connector RJ 45 LC Number of interfaces 16 Interface transmission speed 1000 Mbps full duplex optical electrical 10 100 Mbps half full duplex electrical SFP modules Refer to Table 2 ...

Page 49: ...ab IEEE 802 1p IEEE 802 1Q IEEE 802 1D IEEE802 1X IEEE802 1s IEEE802 1w IEEE 802 3x IEEE 802 3ad IEEE802 3 2 13 2 Panel and LEDs Figure 2 24 LS81T12P panel The following table describes the LED state Table 2 26 LED state description of LS81T12P LED State Description OFF No link is present ON A link is present LINK ACT Blinking Packets are being transmitted received on the port ...

Page 50: ... 30 km about 19 mi 1000BASE ZX LR SFP 40 km about 25 mi 1000BASE ZX VR SFP 70 km 43 mi 1000BASE ZX UR SFP 1550nm LC 9 125 µm single mode optical fiber cable 100km 62 mi SFP GE LH70 SM1 470 CW 1470nm LC 9 125 µm single mode optical fiber cable 70km 43 mi SFP GE LH70 SM1 490 CW 1490nm LC 9 125 µm single mode optical fiber cable 70km 43 mi SFP GE LH70 SM1 510 CW 1510nm LC 9 125 µm single mode optical...

Page 51: ...328 ft II 12 port 10 100 1000Base T Ethernet interface The matching cable to Ethernet interface is category 5 twisted pair with a maximum transmission distance of 100 m 328 ft 2 14 LS81P12T 12 port 1000Base X SFP 4 port 10 100 1000Base T Ethernet Card Figure 2 25 LS81P12T appearance 2 14 1 Introduction to Card This LPU provides 12 x 1000 Mbps full duplex SFP interfaces and four 10 100 1000 Base T ...

Page 52: ...Refer to Table 2 27 Matching cable and maximum transmission distance Category 5 twisted pair with maximum transmission distance of 100 m 328 ft Conformed standard IEEE 802 3z IEEE 802 3ab IEEE 802 1p IEEE 802 1Q IEEE 802 1D IEEE802 1X IEEE802 1s IEEE802 1w IEEE 802 3x IEEE 802 3ad IEEE802 3 IEEE802 3u 2 14 2 Panel and LEDs Figure 2 26 LS81P12T panel The following table describes the LED state Tabl...

Page 53: ...Card This LPU provides 8 1000 Mbps full duplex Ethernet GBIC interfaces Table 2 30 LS81GB8UA attribute Attribute LS81GB8UA CPU MPC850 BootROM 512 KB SDRAM 64M Dimensions L W 366 7 340 mm 14 4 13 4 in Maximum power consumption 60 W Connector SC RJ 45 Number of interfaces 8 Interface transmission speed 1000 Mbps Full duplex GBIC modules 1000BASE SX GBIC 1000BASE LX GBIC 1000BASE LH GBIC 1000BASE ZX ...

Page 54: ... swappable connector which can connect with optical fiber A GBIC module provides one data receive transmit channel 2 15 2 Panel and LEDs Figure 2 28 LS81GB8UA panel Every 1000M GBIC port has a green LED The following table describes the LED state Table 2 31 LED state description of LS81GB8UA LED State Description ON LINK The interface is properly connected to another interface OFF LINK The interfa...

Page 55: ...m 1640 ft 1000BASE SX GBIC 850 nm 62 5 125 µm multimode optical fiber cable 220 m 722 ft 1000BASE LX GBIC 10 km 6 mi 1000BASE LH GBIC 1310 nm 30 km about 19 mi 1000BASE ZX LR GBIC 40 km about 25 mi 1000BASE LX VR GBIC 70 km 43 mi 1000BASE ZX UR GBIC 1550 nm SC 9 125 µm single mode optical fiber cable 100km 62 mi 1000BASE T F D GBIC RJ 45 100 m 328 ft 2 16 LS81GP8UB 8 port 1000Base X SFP Ethernet C...

Page 56: ... L W 366 7 340 mm 14 4 13 4 in Maximum power consumption 15 W Connector LC RJ 45 Number of interfaces 8 Interface transmission speed 1000 Mbps Full duplex SFP modules Refer to Table 2 27 Conformed standard IEEE 802 3 IEEE 802 3z IEEE 802 1p IEEE 802 1Q IEEE 802 1D IEEE 802 3x IEEE 802 3ad IEEE802 1X IEEE802 1s IEEE802 1w 2 16 2 Panel and LEDs Figure 2 30 LS81GP8UB panel The following table describ...

Page 57: ...ceived on the port 2 16 3 Matching Cable Refer to Table 2 27 2 17 LS82GP20 20 port 1000Base X SFP Ethernet Card Figure 2 31 LS82GP20 appearance 2 17 1 Introduction to Card This LPU provides 20 1000 Mbps full duplex SFP interfaces Table 2 35 LS82GP20 attribute Attribute LS82GP20 CPU MPC8241 BootROM 512 KB SDRAM 64M Dimensions L W 366 7 340 mm 14 4 13 4 in Maximum power consumption 35 W Connector LC...

Page 58: ... 3z IEEE802 1p IEEE802 1Q IEEE802 1D IEEE802 3x IEEE802 1X IEEE802 1w IEEE802 3ad IEEE802 1s 2 17 2 Panel and LEDs Figure 2 32 LS82GP20 panel The following table describes the LED state Table 2 36 LED state description of LS82GP20 LED State Description OFF No link is present ON A link is present LINK ACT Blinking Packets are being transmitted received on the port 2 17 3 Matching Cable Refer to Tab...

Page 59: ... 1000 Mbps full duplex SFP interfaces Table 2 37 LS82GP20A attribute Attribute LS82GP20A CPU MPC8241 BootROM 512 KB SDRAM 128M Dimensions L W 366 7 340 mm 14 4 13 4 in Maximum power consumption 35 W Connector LC RJ 45 Number of interfaces 20 Interface transmission speed 1000 Mbps Full duplex SFP modules Refer to Table 2 27 Conformed standard IEEE802 3 IEEE802 3z IEEE802 1p IEEE802 1Q IEEE802 1D IE...

Page 60: ... Description OFF No link is present ON A link is present LINK ACT Blinking Packets are being transmitted received on the port 2 18 3 Matching Cable Refer to Table 2 27 2 19 LS81TGX1B 1 port 10GBASE R XENPAK Ethernet Card Figure 2 35 LS81TGX1B appearance 2 19 1 Introduction to Card This LPU provides 1 port 10G full duplex XENPAK interface Table 2 39 LS81TGX1B attribute Attribute LS81TGX1B CPU MPC82...

Page 61: ...le mode optical fiber 1310 nm 10 km 10GBASE ER XENPAK single mode optical fiber 1550 nm 40 km Conformed standard IEEE 802 1p IEEE 802 1Q IEEE 802 1D IEEE 802 3 IEEE 802 3x IEEE 802 3ad IEEE 802 3ae IEEE802 1X IEEE802 1s IEEE802 1w 2 19 2 Panel and LEDs Figure 2 36 LS81TGX1B panel The following table describes the LED state Table 2 40 LED state description of LS81TGX1B LED State OFF No link is pres...

Page 62: ... ft 10GBASE LR XENPAK 1310 nm 10 km 6 mi 10GBASE ER XENPAK 1550 nm SC 9 125 µm single mode optical fiber cable 40 km about 25 mi 2 20 LS81TGX1C 1 port 10GBASE R XENPAK Ethernet Card Figure 2 37 LS81TGX1C appearance 2 20 1 Introduction to Card This LPU provides 1 port 10G full duplex XENPAK interface Table 2 42 LS81TGX1C attribute Attribute LS81TGX1C CPU MPC8245 BootROM 512 KB SDRAM 64M Dimensions ...

Page 63: ...r 1550 nm 40 km Conformed standard IEEE 802 1p IEEE 802 1Q IEEE 802 1D IEEE 802 3 IEEE 802 3x IEEE 802 3ad IEEE 802 3ae IEEE802 1X IEEE802 1s IEEE802 1w 2 20 2 Panel and LEDs Figure 2 38 LS81TGX1C panel The following table describes the LED state Table 2 43 LED state description of LS81TGX1C LED State OFF No link is present LINK ON A link is present OFF No packets are transmitted received on the p...

Page 64: ... Electricity z Look carefully for possible hazards in your work area such as ungrounded power extension cables missing safety grounds and moist floors z Locate the emergency power off switch in the room before installation Shut the power off first when accident occurs z Unplug all the power cords and external cables before moving the chassis z Better not maintain the equipment alone when it is pow...

Page 65: ...ling the components especially the electric printed circuit boards of the switch z Take the edge of the circuit board Do not touch the components or the electric printed circuit Take the following steps to use the ESD wrist strap Step 1 Put your hand through the wrist strap and wear it Step 2 Strain and tighten the strap ensure that it makes good contact with your skin Step 3 Insert it into the ES...

Page 66: ...es high humidity may result in material mechanical performance changing or metal parts rusted If the relative humidity is too low the captive screws may become loose due to the shrinkage of the insulation washers Meanwhile the electrostatic is likely to be produced in the dry environment which will jeopardize the CMOS circuit of the switch The higher the temperature the greater the damage it will ...

Page 67: ...3 2 Table 3 2 Limits on harmful gas ingredients in an equipment room Gas Max mg m3 SO2 0 2 H2S 0 006 NH3 0 05 Cl2 0 01 3 2 3 Anti static Requirements Any possible interference sources no matter outside or inside the system affect the switch in use may in a way of capacitance coupling inductance coupling radiation of electromagnetic wave common impedance including the grounding system coupling or c...

Page 68: ... Requirement For better heat dissipation and equipment maintenance it is recommended to keep the front and back of the switch more than 1 meters inclusive away from the walls or other devices There can be other devices located beside the left and right of the switch However you shall keep the left and right of the switch more than 0 8 meters inclusive away from the walls If the optional rack will ...

Page 69: ...nch M6 Box end wrenches 10 12 or open end wrench 10 12 Small tools Sharp nose pliers diagonal pliers vices hand held electric drill file handsaw crowbar and rubber hammer General tools Auxiliary tools Hair brush tweezers paper knife hand bellows electric iron solder wire fork and ladder Special tools ESD wrist strap cable stripper crimping pliers RJ 45 crimping pliers and wire punchdown tool Fiber...

Page 70: ...Install B68 22 cabinet Install the switch on B68 22 cabinet Install cabling rack and fan frame Install the switch Install the switch Connect ground wire and power cord Install interface cables End of installation Install cards Confirm installation site Start installation Preparation and confirmation Mount the switch on B68 22 cabinet Mount the switch in 19 inch standard rack Mount the switch on th...

Page 71: ...a little higher than the rack tray or guides Put the switch on the tray or the guides and push it into the rack Step 5 Fasten the angle sets on the 19 inch columns to seat the switch in the chassis 4 4 Mount the Switch on the Tabletop Step 1 Confirm the following before installation z The workbench is firm enough to hold the switch and cables z No obstacles around the workbench that may interfere ...

Page 72: ...er end of the ground wire to the grounding strip of the switch Note Each cabinet has a grounding strip to which you can connect the ground wire of a switch II Other grounding environment Hereafter introduced some methods for grounding the switch in different environment z If there is a grounding strip in the Ethernet switch installation environment attach one end of the yellow green protection gro...

Page 73: ... an angle iron or steel pipe no shorter than 0 5m into the earth In this case the yellow green protection ground wire should be welded with the angle iron steel pipe and the joint should be processed against eroding Power input Ethernet Switch Grounding wire Grounding screw Angle iron Ground Power input Ethernet Switch Grounding wire Grounding screw Angle iron Ground Figure 4 3 Sketch of grounding...

Page 74: ... through the external lightning device into the S6502 1 2 3 4 1 2 3 4 1 AC input socket 2 Bail latch 3 Handle of power module 4 Power LED Figure 4 5 S6502 power module The power module has AC input socket with bail latch and a power LED on its front panel The LED is described in 6 1 2 Step 1 Pull up the bail latch which is on the left side of the front panel to the right Step 2 Insert the AC power...

Page 75: ...n 4 7 Install Switch Boards S6502 cards including LPU and SRPU are hot swappable Step 1 Wear an ESD wrist strip which is well grounded and take a card out of the packet Step 2 Using a PHILLIPS SCREWDRIVER to remove the blank filler panel from the chassis slot where you plan to install the card Step 3 Hold the ejector levers of the card with both hands and push them outward align the card with the ...

Page 76: ...ped RJ 45 connector which is to be plugged into the console port of the switch The other end is furnished with a DB 9 male connector and can be inserted to the 9 core female socket The following figure illustrates the console cable Figure 4 7 An console cable Table 4 1 Console cable pinout RJ 45 Signal Direction DB 9 1 RTS 7 2 DTR 4 3 TXD 3 4 CD 1 5 GND 5 6 RXD 2 7 DSR 6 8 CTS 8 II Connecting a co...

Page 77: ...nd are MDI MDIX autosensing You can use category 5 cables to connect it The following figure illustrates the appearance and pinouts of an RJ 45 connector PIN 8 PIN 1 Figure 4 8 An RJ 45 connector Table 4 2 RJ 45 MDI port pinout assignment 10Base T 100Base TX 1000Base T Pinout Signal Function Signal Function 1 Tx Outbound BIDA Bi directional data cable A 2 Tx Outbound BIDA Bi directional data cable...

Page 78: ...d BIDD Bi directional data cable D 6 Tx Outbound BIDA Bi directional data cable A 7 Reserved BIDC Bi directional data cable C 8 Reserved BIDC Bi directional data cable C II Connecting a category 5 cable Step 1 Plug one end of the category 5 cable into an Ethernet RJ 45 jack of the switch to be connected Step 2 Plug the other end of the cable into an RJ 45 port of the peer device 4 8 3 Connect Opti...

Page 79: ...or It integrates two channels of light sources into a single fiber which reduces the actual ports that are in use of a connector Figure 4 9 An MT RJ connector z SC fiber connector Figure 4 10 An SC connector z LC fiber connector Figure 4 11 An LC connector II Connecting an optical fiber Step 1 Remove the fiber cover and clean the fiber end Step 2 Remove the optical port cover of the switch Insert ...

Page 80: ...ted Switch For the switches are mounted in a 19 inch standard rack the service cables can be bound to the cable binding rack at the left side of the chassis and be arranged to run on the cable rack or in the raised floor according to the situation in an exchange equipment room whether the signal cable of the room is accessed from the cable rack on the top of the chassis or the cable channel under ...

Page 81: ...parately in a cabinet They cannot be bound together If they are close to each other you can cable them in a crossing way For parallel cabling the space between power cord and signal cable should be no less than 30mm z The cable binding rack and cable channel inside and outside a cabinet should be smooth and stretch no sharp points z The metal hole through which a cable runs should have a smooth an...

Page 82: ...s should be folded and bound and located at right places in a cabinet or on the cable channel In the so called right places the running device will not be affected or damaged and the cables will not be damaged either z 220V power cord and 48V power cord cannot be tied on the guides of any mobile components z Keep excessive parts of power cords for those mobile components such as ground wire of doo...

Page 83: ...er cords to free the terminal and the cable from stress z No tapping screw can be used to fasten the cabling terminals z The power cords of the same type and in the same direction should be bound together and kept clean and straight Follow the parameters defined in the following table for binding cables with ties Table 4 4 Tie binding parameters Cable bundle diameter mm Space between bundles mm 10...

Page 84: ...urned off the power before checking otherwise improper connection will hurt people or the component of the switch After installing the switch please check if the items listed in the following table are normal Table 4 5 Installation checking list Items Normal Abnormal Description ESD wrist strap Console cable Ground wire Power cord SRPU LPU Fan Frame ...

Page 85: ...le Figure 5 1 Configuration environment 5 1 2 Connecting Console Cable Step 1 Plug the DB 9 female plug of the console cable to the serial port of the PC or the terminal where the switch is to be configured Step 2 Connect the RJ 45 connector of the console cable to the console port of the switch 5 1 3 Setting Terminal Parameters Parameter requirements z Bits per second 9600 z Data bits 8 z Parity ...

Page 86: ...ameters for Windows98 HyperTerminal as follows 1 Click Start Program Accessories Communications HyperTerminal to enter the HyperTerminal window and then click the Hypertrm icon to establish a new connection The system will pop up the Connection Description window Figure 5 2 Connection description of HyperTerminal 2 Input the name of the new connection and click OK Then there pops up the interface ...

Page 87: ...Figure 5 3 Setting serial port for HyperTerminal connection 3 After selecting serial ports click OK The following interface will pop up for setting serial port parameters Set the baud rate to 9600 data bits to 8 parity check to none stop bits to 1 and flow control to none Figure 5 4 Setting serial port parameters ...

Page 88: ...he HyperTerminal dialogue box as shown in the following figure Figure 5 5 HyperTerminal interface In the above dialogue box select the Properties icon to enter the properties window Click Settings to set the attributes see the following figure In this interface select terminal emulation mode VT100 and then click OK Figure 5 6 Setting terminal emulation mode in the property setting window ...

Page 89: ... been done Caution Before powering on the switch confirm where the power switch of the equipment room is located so that you will be able to power off in case of accidence 5 2 2 Powering on the Switch z Turn on the power supply of the switch z Power on the switch 5 2 3 Checking after Power on Recommended You are recommended to check as follows after powering on the switch to ensure the configurati...

Page 90: ... 0004 Press Ctrl B to enter Boot Menu 0 Auto booting Auto booting file is S6500 app There are 4 files in this packet SRPG app file srpu app is OK Decompress Image OK Starting at 0x60000 User interface Aux0 0 is available Press ENTER to get started The displaying of the above indications indicates the completion of the switch auto booting Press Enter and you will get the following output By this ti...

Page 91: ...screen After power on if there is no information displayed on the terminal check if z The power system works normally z SRPU works normally z The console cable has been connected to the console port in the SRPU If there is no problem in the above checking there might be some other faults as follows z Serial port connected to the console cable is wrong The port in use is not the one set on the term...

Page 92: ... properly connected z The source voltage is correct 6 1 3 Fan Troubleshooting Table 6 2 Description of fan LEDs LED Description ON The fan works normally OK OFF The fan fails to work or has not been installed yet ON The fan works abnormally or has not been installed yet FAIL OFF The fan works normally If the fan LED OK is off check if z Every heat dissipation fan works normally z There is somethin...

Page 93: ...rd has been properly installed 6 2 Hardware Maintenance Caution The S6502 supports hot swappable power modules When installing or replacing a power module with the power on consider the operation measures and safety with electricity Do not touch any naked wire terminal or any part of the product with a dangerous voltage label to avoid hurting human body 6 2 1 Power Module Replacement Step 1 Wear t...

Page 94: ...stem will give an alarm and the pin cannot be seated into the hole To avoid breaking or cranking the power terminals if the power module has not been inserted in properly you should slide it out and insert again Step 6 Fasten the captive screws loosened in Step 1 to fix the power module on the chassis Caution If the captive screws cannot be fastened the power module may not have been properly seat...

Page 95: ...screws and remove the blank filler panel Step 2 Hold the ejector levers of the card with both hands and push them outward align the card with the guides in the chassis and slide it gently into the slot Push the card until the positioning pin on its handle bar touches the hole in the chassis Step 3 Press the ejector levers inward and seat the pin on the handle bar into the positioning hole in the c...

Page 96: ...he fan frame gently along the guides of the slot and pull it out Step 3 Put the removed fan frame into the package Step 4 Hold the fan frame to be installed with one hand at the handle and the other hand at the bottom Slide it gently along the guide into the slot Push the fan frame until its positioning pin touches the hole in the chassis Step 5 Fasten the captive installation screws Caution Insta...

Page 97: ...l is directly connected to the switch you can load BOOTROM and host software locally Before proceeding to load the software make sure that your terminal is correctly connected to the switch Note The steps that you should take to load BOOTROM program and host software are the same except that in a BOOTROM program loading process you need to press Ctrl U and Enter after accessing the BOOTROM menu an...

Page 98: ...r Boot Menu Otherwise the system will start executing the program decompression At this time if you want to access Boot Menu you will have to reboot the switch If entering the program decompression process you will have to wait a long time for the system to get ready since the program file is rather big in size and many commands needs to be registered in that case Enter the BOOTROM password After ...

Page 99: ... starts packet transmission Upon the receipt of a complete packet the receiving program checks it using the agreed upon checking method If the check succeeds the receiving program sends an acknowledgement character if the check fails it sends a reject character Upon the receipt of the acknowledgement the sending program continues to send the next packet upon the receipt of the reject it retransmit...

Page 100: ...gram downloading menu if you enter N If you enter Y the system displays the following information Download baudrate is 115200 bps Please change the terminal s baudrate to 115200 bps and select XMODEM protocol Press enter key when ready Note You do not need to modify the HyperTerminal s baud rate if you have chosen 9600 bps and thus can skip Steps 5 and 6 and proceed to Step 7 directly At this time...

Page 101: ...llation Manual Quidway S6502 Ethernet Switch Chapter 6 Switch Monitoring and Maintenance Huawei Technologies Proprietary 6 11 Figure 6 3 Properties dialog box Figure 6 4 Console port configuration dialog box ...

Page 102: ...u must disconnect and reconnect the terminal emulation program to validate the new configuration Step 7 Press Enter to start program loading The system displays the following information Now please start transfer file with XMODEM protocol If you want to exit Press Ctrl X Waiting CCCCC Step 8 Select Transfer Send File in the HyperTerminal window and in the popup dialog box similar to the following ...

Page 103: ... The system starts BOOTROM program downloading and upon its completion automatically starts BOOTROM loading The system displays the following information upon the completion of the entire process SRPU bootrom is updating now Get flash Type FLASH_M29W040B Erasing flash done Programming flash done Checking flash done SRPU bootrom update menu 1 Set TFTP protocol parameter 2 Set FTP protocol parameter...

Page 104: ... 3 3 The subsequent steps are the same as those for loading BOOTROM except for the prompt messages III Loading software from Ethernet port using TFTP 1 Introduction to TFTP Trivial File Transfer Protocol is a TCP IP protocol used for file transmission between clients and servers It uses UDP to provide unreliable data stream transfer service 2 Loading SRPU BOOTROM Step 1 Connect the switch to the P...

Page 105: ...e Switch IP address Server IP address Step 5 Input the TFTP parameter values and press Enter The system displays the following information Are you sure to update SRPU bootrom Yes or No Y N Step 6 Enter Y to start file downloading and N to return to the program downloading menu Suppose you enter Y The system starts BOOTROM program downloading and upon its completion automatically starts BOOTROM loa...

Page 106: ...e the switch is externally connected to a PC that can be the same one as that the downloaded file is located via a console port Step 2 Run the FTP Server program on the PC that is connected to the Ethernet port and specify the path for program loading Caution z FTP Server program is not shipped with the Quidway series switches z When loading BOOTROM and host software you must use a crossover cable...

Page 107: ... displays the following information after completing the writing operation Prepare for loading OK Loading done SRPU bootrom is updating now Get flash Type FLASH_M29W040B Erasing flash done Programming flash done Checking flash done 3 Loading host software Follow these steps to download the host software Step 1 Select 1 in Boot Menu The system displays the following information 1 Set TFTP protocol ...

Page 108: ...er to 6 3 4 Booting the Switch with Dual Images for details The S6502 also supports the upgrade of combined BOOTROM file that is upgrading the BOOTROM of all boards using one combined BOOTROM file Refer to 6 3 5 Loading Combined BOOTROM File for details Suppose that the main boot file is SWITCH002 app the active host software is SWITCH001 app the LPU BOOTROM program is LPUbtm app LPU occupies slot...

Page 109: ...es in Flash after completing the BOOTROM loading You are recommended to delete the host program that is no longer in use Then upload the host program to the switch using FTP Note that power off must be prevented during loading process II Loading by TFTP Using TFTP is similar to using FTP in remote and local loading via commands The only difference is that it is TFTP that you use when loading softw...

Page 110: ...TCH000 app The backup application file is SWITCH100 app Free Space 471040 bytes The system shows all the files in the flash memory where the one with an asterisk is the primary file and the one with a hyphen is the backup file Step 3 Reset the primary and backup files z Set the primary file Enter the serial number of the desired primary file when the terminal shows the following information Please...

Page 111: ...ion file for booting 4 The system stops choosing boot file if it fails when booting with a random application file Then it just supposes that the file system is unavailable or no correct booting file is available Note z If you specify only the primary file and set no backup file the system boots with the primary file If the primary file is in error the system randomly chooses an application file f...

Page 112: ... lower BOOTROM version 360 and lower can not recognize the combined BOOTROM file so you can upgrade them by using single files If you intend to upgrade them by using the combined file you need to upgrade BOOTROM online through the command line on the host software that supports the combined file and you cannot upgrade the combined BOOTROM file by using Boot Menu otherwise the system prompts you th...

Page 113: ...e Step 2 Specify S6502 app as the application software applied by the switch during the next boot Quidway boot boot loader primary S6502 app Step 3 Reboot the switch to make the S6502 app effective Quidway reboot Step 4 Upgrade the BOOTROM of the LPU and SRPU using the combined file Quidway boot bootrom S6502btm btm slot 0 1 please wait Bootrom is updated After the above operation you can complete...

Page 114: ...Enter your choice 0 3 2 Step 2 Type 2 to choose upgrading through FTP press Enter and begin to set the related parameters of FTP protocol Load File name S6502btm btm Switch IP address 1 1 1 3 Server IP address 1 1 1 2 FTP User Name 6506 FTP User Password 123 Are you sure you want update FAB64 bootrom Yes or No Y N y Step 3 Enter Y and the system begins to download files Prepare for loading OK Load...

Page 115: ...s to upgrade Step 1 Download single BOOTROM file to the switch through FTP Quidway ftp 10 10 110 1 ftp get SRPUbtm app SRPUbtm app ftp get LPUbtm app LPUbtm app ftp bye Step 2 Load single BOOTROM files to every card Quidway boot bootrom SRPUbtm app slot 0 Quidway boot bootrom LPUbtm app slot 1 After the above operation you can complete the upgrading of the BOOTROM on every card 6 3 6 Dealing with ...

Page 116: ...vided z Correct server and switch IP addresses z Correct name of the software to be loaded z Correct username and password If loading fails when there are neither physical connection problems nor input errors contact the local agents of Huawei Technologies for help 6 3 7 Dealing with Lost Password Please contact the local agent of Huawei Technologies if the BOOTROM password or user password of the...

Page 117: ...the switch due to lightning strike You can use cable clips and screws to fasten the lightning arrester for AC power on the cabinet workbench or the wall of equipment room Mainboard Grounding and polarity indicator red On means that the lines are wrongly connected either the ground wire is not well connected or the live and zero lines are wrongly connected Please check the power supply circuit Powe...

Page 118: ...at of the power socket in the equipment room it means that arrester is not well grounded If it is adverse to that of the power socket in the equipment room it means that the power socket of the arrester is set to the reverse polarity In this case you should open the power socket of arrester to correct polarity After that if the red LED still alarms it means that the arrester is not well grounded y...

Page 119: ...rrester contacts well with the grounding screw of chassis Step 4 According to the instruction of arrester for network port connect the arrester with switch by the cables be carefully with the cable direction Outdoor network cable should be inserted into the arrester s IN end and the cable connected to the switch should be inserted into the arrester s OUT end When you do that observe whether the ar...

Page 120: ...should be connected to the outdoor network cable and the OUT end to the network port on the switch z Lightning arrester for the network port is not well grounded The ground wire for the arrester should be as short as possible so to ensure its good contact with the grounding screw of the switch After the connection use the multimeter to confirm that z The lightning arrester for the network port is ...

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Huawei Quidway S6502, Installation Manual, Page: 31 / 120

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