HPE OfficeConnect 1950 12XGT 4SFP+ Скачать руководство пользователя страница 5 | Manualshive

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Preparing for installation

The HPE OfficeConnect 1950 Switch Series includes the models listed in

Table 1 HPE OfficeConnect 1950 Switch Series models

Product
code

HPE description

Alias

RMN

JG960A

HPE OfficeConnect 1950 24G 2SFP+
2XGT Switch

HPE 1950 24G 2SFP+ 2XGT

BJNGA-AD0033

JG961A

HPE OfficeConnect 1950 48G 2SFP+
2XGT Switch

HPE 1950 48G 2SFP+ 2XGT

BJNGA-AD0034

JG962A

HPE OfficeConnect 1950 24G 2SFP+
2XGT PoE+(370W) Switch

HPE 1950 24G 2SFP+ 2XGT
PoE+(370W)

BJNGA-AD0035

JG963A

HPE OfficeConnect 1950 48G 2SFP+
2XGT PoE+(370W) Switch

HPE 1950 48G 2SFP+ 2XGT
PoE+(370W)

BJNGA-AD0036

JH295A

HPE OfficeConnect 1950 12XGT
4SFP+ Switch

HPE 1950 12XGT 4SFP+

BJNGA-AD0067

IMPORTANT:

For regulatory identification purposes, every HPE OfficeConnect 1950 switch is assigned a
regulatory model number (RMN). These regulatory numbers should not be confused with the
marketing name HPE OfficeConnect 1950, or product codes.

Safety recommendations

To avoid equipment damage or bodily injury, read the following safety recommendations before
installation. Note that the recommendations do not cover every possible hazardous condition.

•

Before cleaning the switch, remove all power cords from the switch. Do not clean the switch
with a wet cloth or liquid.

•

Do not place the switch near water or in a damp environment. Prevent water or moisture from
entering the switch chassis.

•

Do not place the switch on an unstable case or desk.

•

Ensure good ventilation at the installation site and keep the air inlet and outlet vents of the
switch free of obstruction.

•

Connect the yellow-green protection grounding cable before the switch is powered on.

•

Make sure the power source voltage is as required.

•

To avoid electrical shocks, do not open the chassis while the switch is operating or immediately
after the switch is powered off.

•

To avoid ESD damage, wear an ESD wrist strap when hot-swapping a power supply.

Examining the installation site

The HPE OfficeConnect 1950 switches must be used indoors. You can mount your switch in a rack
or on a workbench, but make sure the following conditions exist:

•

Adequate clearance is reserved at the air inlet and exhaust vents for ventilation.

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Содержание OfficeConnect 1950 12XGT 4SFP+

Страница 1: ...HPE OfficeConnect 1950 Switch Series Getting Started Guide Part number 5998 8110 Document version 6W103 20160825 ...

Страница 2: ... and 12 212 Commercial Computer Software Computer Software Documentation and Technical Data for Commercial Items are licensed to the U S Government under vendor s standard commercial license Links to third party websites take you outside the Hewlett Packard Enterprise website Hewlett Packard Enterprise has no control over and is not responsible for information outside the Hewlett Packard Enterpris...

Страница 3: ...the Web interface 16 Setting up the configuration environment 16 Restrictions and guidelines 16 Logging in to the Web interface for the first time 17 Logging in to the quick set up CLI 18 Setting up the configuration environment 18 Connecting the console cable 19 Connecting the mini USB console cable 20 Setting terminal parameters 21 Powering on the switch 22 Setting up an HPE OfficeConnect 1950 s...

Страница 4: ...rnet port 38 1 10GBase T autosensing Ethernet port 39 SFP port 39 LEDs 42 System status LED 42 RPS status LED 42 Port mode LED 42 Management Ethernet port LEDs 42 10 100 1000Base T Ethernet port LED 43 1 10GBase T autosensing Ethernet port LEDs 45 SFP port LED 46 Appendix C Cooling system 47 Document conventions and icons 48 Conventions 48 Network topology icons 49 Support and other resources 50 A...

Страница 5: ...njury read the following safety recommendations before installation Note that the recommendations do not cover every possible hazardous condition Before cleaning the switch remove all power cords from the switch Do not clean the switch with a wet cloth or liquid Do not place the switch near water or in a damp environment Prevent water or moisture from entering the switch chassis Do not place the s...

Страница 6: ...e temperature and humidity requirements of different switch models see Appendix A Chassis views and technical specifications Cleanliness Dust buildup on the chassis might result in electrostatic adsorption which causes poor contact of metal components and contact points especially when indoor relative humidity is low In the worst case electrostatic adsorption can cause communication failure Table ...

Страница 7: ...e switch has power The laser light emitted from the optical fiber might hurt your eyes The HPE OfficeConnect 1950 switches are Class 1 laser devices Installation tools The following installation tools are user supplied Flat blade screwdriver Phillips screwdriver ESD wrist strap Installation accessories Table 4 Installation accessories Product code Description Quantity Applicable models 5066 0850 1...

Страница 8: ...ches 5185 9292 Grounding cable provided 1 HPE 1950 24G 2SFP 2XGT HPE 1950 48G 2SFP 2XGT HPE 1950 12XGT 4SFP 5184 6729 Grounding cable provided 1 HPE 1950 24G 2SFP 2XGT PoE 370W HPE 1950 48G 2SFP 2XGT PoE 370W 5184 6719 Console cable provided 1 All HPE 1950 switches 5184 7298 Rubber feet provided 1 All HPE 1950 switches ...

Страница 9: ...se for permission Otherwise Hewlett Packard Enterprise shall not be liable for any consequences Figure 1 Hardware installation flow Start Install the switch Ground the swtich Connect power cords Verify the installation Turn on the circuit breakers Operating correctly Turn off the circuit breakers Troubleshoot the switch No End Yes Install transceiver modules and cables ...

Страница 10: ... See Figure 3 Figure 2 1U two hole mounting bracket 1 Screw hole for attaching the bracket to the switch 2 Screw hole for attaching the bracket to the rack post Figure 3 1U four hole mounting bracket 1 Screw hole for attaching the bracket to the switch 2 Screw hole for attaching the bracket to the rack post Attaching the mounting brackets to the switch The HPE 1950 12XGT 4SFP HPE 1950 24G 2SFP 2XG...

Страница 11: ... screw holes at the mounting position Use M4 screws provided with the switch to attach the mounting bracket to the chassis 3 Repeat step 2 to attach the other mounting bracket to the chassis Figure 4 Attaching a two hole mounting bracket to the front mounting position on an HPE 1950 24G 2SFP 2XGT switch Figure 5 Attaching a two hole mounting bracket to the rear mounting position on an HPE 1950 24G...

Страница 12: ...strap and make sure it makes good skin contact and is reliably grounded 2 Verify that the mounting brackets have been securely attached to the switch chassis 3 Install cage nuts in the mounting holes in the rack posts 4 One person holds the switch chassis and aligns the mounting brackets with the mounting holes in the rack posts and the other person attaches the mounting brackets with screws to th...

Страница 13: ...nd the chassis for heat dissipation Do not place heavy objects on the switch If a standard 19 inch rack is not available you can place the switch on a workbench To mount the switch on a workbench 1 Verify that the workbench is sturdy and reliably grounded 2 Place the switch bottom up and clean the round holes in the chassis bottom with a dry cloth 3 Attach the rubber feet to the four round holes i...

Страница 14: ...ion site Grounding the switch with a grounding strip Grounding the switch with a grounding conductor buried in the earth ground NOTE The power and grounding terminals in this section are for illustration only Grounding the switch with a grounding strip WARNING Connect the grounding cable to the grounding system in the equipment room Do not connect it to a fire main or lightning rod If a grounding ...

Страница 15: ...ation sheath by using a wire stripper c Use the needle nose pliers to bend the bare wire d Hook the grounding cable to the post on the grounding strip and use the hex nut to secure the cable to the post Figure 14 Connecting the grounding cable to a grounding strip 1 Grounding post 2 Grounding strip 3 Grounding cable 4 Hex nut Grounding the switch with a grounding conductor buried in the earth grou...

Страница 16: ...d connection procedures at a glance Switch model Available power source Connection procedure reference HPE 1950 24G 2SFP 2XGT HPE 1950 48G 2SFP 2XGT AC power source Connecting the switch to an AC power source HPE 1950 24G 2SFP 2XGT PoE 370W HPE 1950 48G 2SFP 2XGT PoE 370W AC power source Connecting the switch to an AC power source HPE A RPS1600 Connecting the switch to an A RPS1600 HPE 1950 12XGT ...

Страница 17: ...ptacle on the power supply and insert the plug into the receptacle See callout 1 in Figure 18 If you cannot insert the plug into the receptacle re orient the plug rather than use excessive force to push it in 2 Tighten the screws on the plug with a flat blade screwdriver to secure the plug in the RPS receptacle See callout 2 in Figure 18 3 Connect the other end of the power cord to an A RPS1600 ...

Страница 18: ... plug of the power cord with the DC input receptacle on the power supply and insert the plug into the power receptacle See callout 1 in Figure 20 If you cannot insert the plug into the receptacle re orient the plug rather than use excessive force to push it in 3 Tighten the screws on the plug with a flat blade screwdriver to secure the plug in place See callout 2 in Figure 20 4 Connect the other e...

Страница 19: ...ce for heat dissipation around the switch The rack or workbench is stable The grounding cable is securely connected The correct power source is used The power cords are correctly connected All the interface cables are cabled indoors If any cable is routed outdoors verify that the socket strip with lightning protection and lightning arresters for network ports have been correctly connected ...

Страница 20: ...g Web browsers are supported Internet Explorer 8 or higher Google Chrome 10 or higher Mozilla Firefox 4 or higher Opera 11 11 or higher Safari 5 1 or higher To access the Web interface you must use the following browser settings Accept the first party cookies cookies from the site you are accessing To ensure correct display of webpage contents after software upgrade or downgrade clear data cached ...

Страница 21: ...ce is not connected to the network or no DHCP server exists on the network the device uses the default IP address and mask The default mask is 255 255 0 0 The default IP address is 169 254 xxx xxx where xxx xxx depends on the rightmost two bytes of the MAC address Find the MAC address label on the device and use the following rules to determine the rightmost two bytes for the IP address Rightmost ...

Страница 22: ... and the verification code You do not need to enter a password at the first login c Click Login 5 Change the login information To change the password of the login user admin at the first login click the Admin icon To add new user accounts and assign access permissions to different users select Device Maintenance Administrators For more information about how to configure the device by using the Web...

Страница 23: ...he serial port on the configuration terminal Figure 22 Console cable Table 8 Console cable pinouts RJ 45 Signal DB 9 Signal 1 RTS 8 CTS 2 DTR 6 DSR 3 TXD 2 RXD 4 SG 5 SG 5 SG 5 SG 6 RXD 3 TXD 7 DSR 4 DTR 8 CTS 7 RTS To connect a terminal for example a PC to the switch 1 Connect the DB 9 female connector of the console cable to the serial port of the PC 2 Identify the mark on the console port Make ...

Страница 24: ...nsole cable 1 Connect the standard USB Type A connector to the USB port on the PC 2 Connect the mini USB Type B connector to the mini USB console port on the switch 3 Click the following link or copy it to the address bar on the browser to log in to download page of the USB console driver and download the driver http www exar com connectivity uart and bridging solutions usb uarts xr21v1410 4 Selec...

Страница 25: ...ce driver installation wizard Setting terminal parameters To access the switch through the console port you must run a terminal emulator program TeraTermPro or PuTTY on the configuration terminal For information about using a terminal emulator program see the program s user guide ...

Страница 26: ...C for example has started and its serial port settings are consistent with the console port settings on the switch Power on the switch During the startup process you can access Boot ROM menus to perform tasks such as software upgrade and file management The Boot ROM interface and menu options differ with software versions For more information about Boot ROM menu options see the release notes for t...

Страница 27: ...a large virtual stack for flattened network topology and high availability scalability and manageability NOTE Stacking and stack are called IRF on the webpages and in online help The HPE 1950 12XGT 4SFP switch can form a stack only with switches of the same type Setup flow Figure 26 Stack setup flow To set up an HPE OfficeConnect 1950 stack ...

Страница 28: ...tion site Choose switch models and identify the number of required stack member switches depending on the user density and upstream bandwidth requirements The switching capacity of a stack equals the total switching capacities of all member switches An HPE OfficeConnect 1950 stack can have a maximum of four switches Plan the installation site depending on your network solution as follows Place all...

Страница 29: ... schemes in ring topology You connect the stack member switches through stack IRF ports Stack IRF ports are logical interfaces for the connections between stack member switches Each stack member switch has an IRF port 1 and an IRF port 2 To use an IRF port you must bind a minimum of one physical interface to it Make sure the physical interfaces bound to a stack IRF port are the same type The HPE O...

Страница 30: ...GT 4SFP Four fixed SFP ports and 12 fixed 1 10GBASE T autosensing Ethernet ports on the front panel Make sure the physical interfaces bound to a stack IRF port are the same type Planning the cabling scheme Use twisted pair cables SFP network cables or SFP transceiver modules and fibers to connect the stack member switches If the stack member switches are far away from one another choose the SFP tr...

Страница 31: ...ck member switches in a ToR solution You can install stack member switches in different racks side by side to deploy a top of rack ToR solution Figure 32 shows an example for connecting four top of rack stack member switches by using SFP transceiver modules and optical fibers The topology is the same as Figure 31 Figure 32 ToR cabling 1 2 3 4 ...

Страница 32: ...one switch to the physical interfaces of IRF port 2 on the other switch For more information about configuring basic stack settings see the user guide for the switch Connecting the stack physical interfaces When you connect the stack physical interfaces follow these guidelines Use twisted pair cables SFP network cables or SFP transceiver modules and fibers to connect the stack member switches Wear...

Страница 33: ...upply LED description LED Mark Status Description System status LED SYS Off The switch is powered off RPS status LED RPS Steady green The AC input is normal and the RPS is in position or operating correctly Steady yellow RPS power input is normal but AC input has failed or AC input is not connected Off No RPS is connected AC input failure Symptom The system status LED is off Solution To resolve th...

Страница 34: ...AC power cord is securely connected to the switch and the AC input power receptacle on the switch and the connected AC power outlet are in good condition 2 Verify that the AC power source is operating correctly 3 Verify that the switch is securely connected to the RPS 4 Verify that the RPS is operating correctly 5 Verify that the operating temperature of the switch is in the acceptable range and t...

Страница 35: ...that the following settings are configured for the terminal Baud rate 38400 Data bits 8 Parity None Stop bits 1 Flow control None 5 Verify that the console cable is not faulty 6 If the problem persists contact Hewlett Packard Enterprise Support Garbled display Symptom The configuration terminal displays garbled text Solution To resolve the problem 1 Verify that the following settings are configure...

Страница 36: ...to sensing Ethernet port 4 Console port 5 10 100 1000Base T Ethernet port LED 6 SFP port LED 7 System status LED SYS 8 1 10GBase T Ethernet port LED Figure 34 Rear panel 1 AC input power receptacle 2 Grounding screw HPE 1950 48G 2SFP 2XGT Figure 35 Front panel 1 10 100 1000Base T auto sensing Ethernet port 2 10 100 1000Base T Ethernet port LED 3 SFP port 4 Console port 7 1 2 3 4 5 6 8 1 2 ...

Страница 37: ...P 2XGT PoE 370W Figure 37 Front panel 1 10 100 1000Base T auto sensing Ethernet port 2 SFP port 3 1 10GBase T auto sensing Ethernet port 4 Console port 5 Port LED mode switching button 6 10 100 1000Base T Ethernet port LED 7 SFP port LED 8 System status LED SYS 9 RPS status LED RPS 10 1 10GBase T Ethernet port LED 11 Port mode LED Figure 38 Rear panel 1 AC input power receptacle 2 RPS receptacle 3...

Страница 38: ...sing Ethernet port 10 1 10GBase T Ethernet port LED 11 SFP port LED Figure 40 Rear panel 1 AC input power receptacle 2 RPS receptacle 3 Grounding screw HPE 1950 12XGT 4SFP Figure 41 Front panel 1 1 10GBASE T autosensing Ethernet port LED 2 SFP port LED 3 System status LED SYS 4 Management Ethernet port status LED MGMT 5 RPS status LED RPS 6 Mini USB console port 7 Serial console port 8 Management ...

Страница 39: ...ole port 1 mini USB console port 1 serial console port Only the mini USB console port is available when you connect both ports Management Ethernet ports N A N A 1 10 100 1000Base T Ethernet ports 24 48 N A 1 10G Base T Ethernet ports 2 2 12 SFP ports 2 2 4 Input voltage AC power source Rated voltage 100 VAC to 240 VAC 50 or 60 Hz Max voltage 90 VAC to 264 VAC 47 to 63 Hz DC power source HPE A RPS8...

Страница 40: ...in 43 6 440 420 mm 1 72 17 32 16 54 in Weight 6 kg 13 23 lb 7 kg 17 64 lb Console ports 1 10 100 1000Base T Ethernet ports 24 48 1 10G Base T Ethernet ports 2 SFP ports 2 Input voltage AC power source Rated voltage 100 VAC to 240 VAC 50 or 60 Hz Max voltage 90 VAC to 264 VAC 47 to 63 Hz DC power source HPE A RPS1600 JG136A Rated voltage 54 VDC to 57 VDC Max voltage 44 VDC to 60 VDC for single DC i...

Страница 41: ...60950 1 EN60950 1 IEC60950 1 GB4943 1 Melting current of power supply fuse AC input 10 A 250 V DC input 25 A 250 V AC input 10 A 250 V DC input 25 A 250 V Operating temperature 0 C to 45 C 32 F to 113 F Operating humidity 5 to 95 noncondensing Fire resistance compliance UL60950 1 EN60950 1 IEC60950 1 GB4943 1 ...

Страница 42: ... to the USB port of a local PC running terminal emulation program Management Ethernet port The HPE 1950 12XGT 4SFP switch provides a management Ethernet port on the front panel You can connect the management Ethernet port to a PC or management station for loading and debugging software or remote management Table 14 Management Ethernet port specifications Item Specification Connector type RJ 45 Por...

Страница 43: ...2 3an To avoid packet loss caused by interferences layer cables as follows Use category 6A or above cables and connectors Do not bundle cables in their first 20 m 65 62 ft Separate power cords and twisted pair cables at and around the distribution frame For ports adjacent to one another on the device the peer ports on the distribution frame are not adjacent for example If the device connects to on...

Страница 44: ... 1804 46 ft Multi mode 62 5 125 500 550 m 1804 46 ft JD061A HPE X125 1G SFP LC LH40 1310nm Transceiver 1310 LC Single mode 9 125 N A 40 km 24 86 miles JD062A HPE X120 1G SFP LC LH40 1550nm Transceiver 1550 LC Single mode 9 125 N A 40 km 24 86 miles JD063B HPE X125 1G SFP LC LH70 Transceiver 1550 LC Single mode 9 125 N A 70 km 43 50 miles JD103A HPE X120 1G SFP LC LH100 Transceiver 1550 LC Single m...

Страница 45: ... Cable 0 65 m 2 13 ft JD096C HPE X240 10G SFP SFP 1 2m DA Cable 1 2 m 3 94 ft JD097C HPE X240 10G SFP SFP 3m DA Cable 3 m 9 84 ft JG081C HPE X240 10G SFP SFP 5m DA Cable 5 m 16 40 ft NOTE As a best practice use HPE 1000 Mbps SFP transceiver modules SFP transceiver modules or SFP network cables for the SFP ports on the switch HPE 1000 Mbps SFP and SFP transceiver modules available for the switch ar...

Страница 46: ...Both the RPS DC input and the AC input are normal Steady yellow The RPS DC input is normal but the AC input is disconnected or has failed Off The RPS DC input has failed or no RPS is connected Port mode LED The HPE 1950 24G 2SFP 2XGT PoE 370W and HPE 1950 48G 2SFP 2XGT PoE 370W switches provide a port mode LED The port mode LED indicates the type of information that the network port LEDs are showi...

Страница 47: ...le color green and yellow LED status Description HPE 1950 48G 2SFP 2XGT N A Steady green The port is operating at 1000 Mbps and a link is present on the port Flashing green The port is sending or receiving data at 1000 Mbps Steady yellow The port is operating at 10 100 Mbps and a link is present on the port Flashing yellow not 3 Hz The port is sending or receiving data at 10 100 Mbps Flashing yell...

Страница 48: ...osensing Ethernet port Switch model Port mode LED Mode status LED LED Description HPE 1950 24G 2SFP 2XGT N A Green LED Steady on The port is operating at 1000 Mbps and a link is present on the port Flashing The port is sending or receiving data at 1000 Mbps Off No link is present on the port or the port is not operating at 1000 Mbps Yellow LED Steady on The port is operating at 10 100 Mbps and a l...

Страница 49: ...ncy of the switch Off The port is not supplying PoE power Yellow LED Steady on A non PD device is attached to the port or the port is experiencing a PoE failure Flashing 3 Hz The port has failed POST Off The port is not supplying PoE power 1 10GBase T autosensing Ethernet port LEDs Table 26 1 10GBase T autosensing Ethernet port LED description Status Description Steady green The port has a link an...

Страница 50: ...e to the PoE switch models The HPE 1950 24G 2SFP 2XGT and HPE 1950 24G 2SFP 2XGT PoE 370W switches provide two single color LEDs for each SFP port to indicate its operating status Table 28 Description for the two single color LEDs for the SFP port LED Status Description Green LED Steady on A transceiver module is installed in the port The port is operating at 10 Gbps and a link is present on the p...

Страница 51: ...nts in the chassis and built in fans To maintain good ventilation for the switch consider the ventilation design at the installation site when you plan the installation position for the switch Figure 44 Airflow through the chassis 1 Air inlet side 2 Air outlet side 3 Port side 1 2 3 ...

Страница 52: ... which you select at least one x y Asterisk marked square brackets enclose optional syntax choices separated by vertical bars from which you select one choice multiple choices or none 1 n The argument or keyword and argument combination before the ampersand sign can be entered 1 to n times A line that starts with a pound sign is comments GUI conventions Convention Description Boldface Window names...

Страница 53: ...rwarding and other Layer 2 features Represents an access controller a unified wired WLAN module or the access controller engine on a unified wired WLAN switch Represents an access point Represents a wireless terminator unit Represents a wireless terminator Represents a mesh access point Represents omnidirectional signals Represents directional signals Represents a security product such as a firewa...

Страница 54: ...s provide a mechanism for accessing software updates through the product interface Review your product documentation to identify the recommended software update method To download product updates go to either of the following Hewlett Packard Enterprise Support Center Get connected with updates page www hpe com support e updates Software Depot website www hpe com support softwaredepot To view and u...

Страница 55: ...r self repair CSR programs allow you to repair your product If a CSR part needs to be replaced it will be shipped directly to you so that you can install it at your convenience Some parts do not qualify for CSR Your Hewlett Packard Enterprise authorized service provider will determine whether a repair can be accomplished by CSR For more information about CSR contact your local service provider or ...

Страница 56: ...umber edition and publication date located on the front cover of the document For online help content include the product name product version help edition and publication date located on the legal notices page ...

Страница 57: ...ration terminal problems 31 connecting AC power source 12 A RPS1600 13 A RPS800 14 console cable 19 first time switch access 16 planning stack connections 25 power cord 12 stack member switches in a ToR solution 27 stack member switches in one rack 26 stack physical interfaces 28 USB mini console cable 20 console connecting cable 19 connecting USB mini cable 20 port technical specifications 38 D d...

Страница 58: ...ch 10 grounding switch with grounding conductor buried in the earth ground 11 grounding switch with grounding strip 10 management Ethernet port LED 42 management Ethernet port technical specifications 38 port mode LED technical specifications 42 port technical specifications 38 rack mounting the switch 8 RPS status LED technical specifications 42 SFP port LED technical specifications 46 SFP port t...

Страница 59: ...MI prevention 2 procedure configuring stack basic settings 28 connecting AC power source 12 connecting A RPS1600 13 connecting A RPS800 14 connecting power cord 12 connecting stack physical interfaces 28 grounding switch with grounding conductor buried in the earth ground 11 grounding switch with grounding strip 10 grounding the switch 10 identifying stack master switch 24 identifying stack member...

Страница 60: ... to switch chassis 6 chassis views 32 connecting console cable 19 connecting stack physical interfaces 28 connecting USB mini console cable 20 cooling system 47 first time access 16 grounding 10 grounding with grounding conductor buried in the earth ground 11 grounding with grounding strip 10 identifying stack master switch 24 identifying stack member switch physical interfaces 26 installation 5 L...

Страница 61: ...5 troubleshooting AC input failure 29 Concurrent RPS and AC input failure 30 configuration terminal problems 31 garbled terminal display 31 no terminal display 31 power supply failure 29 RPS DC input failure 29 switch 29 V verifying switch installation 19 inch rack 15 VT100 21 W Web first time login 17 login 16 login user 17 Web login concurrent login user 17 default settings 16 first time 17 HTTP...

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