Milan Technology MIL-SM808G инструкция обслуживания

8 Port 100BASE-FX Plus One GBIC Intelligent Fiber Switch MIL-SM808G USER GUIDE[...]

ii Regulatory Approval - FCC Class A - UL 1950 - CSA C22.2 No. 950 - EN60950 - CE - EN55022 Class A - EN55024 Canadian EMI Notice This Class A digital apparatus meets all the requirements of the Canadian Interference-Causing Equipment Regulations. Cet appareil numerique de la classe A respecte toutes les exigences du Reglement sur le materiel broui[...]

iii Table of Content s 1. Introduction Features Intelligent Management Features Package Contents Management Methods Console and T elnet Management Web-based Management SNMP Network Management 2. Hardware Description Front Panel LED Indicators Rear Panel Desktop Installat ion 3. Network Application Segment Application 4. Network Configuration Connec[...]

iv 4-4-2. SNMP 4-4-2-1. System Options 4-4-2-2. Community S trings 4-4-2-3. T rap Managers 4-4-3. GVRP 4-4-4. LACP 4-4-4-1. Aggregator Setting 4-4-4-2. S tate Activity 4-4-4-3. LACP S t atus 4-5. Switch Reboot 4-6. Updating Firmware using the Console Port 5. Web-Based Management 5-1. Web Management Home Overview 5-2. Port S tatus 5-3. Port S tatist[...]

1 1. Introduction The MIL-SM808G managed compact desktop switch is an ideal solution for a Fiber network infrastructure. It provides wire-speed, Fast Ethernet switching providing high-perf ormance data transfer . The switch features a store-and-forward architecture with auto-learning of sour ce addresses with an 8K-entry MAC address t able. Figure [...]

2 Features  Conforms to IEEE802.3u, IEEE802.3z and IEEE802.3x Ethernet S t andards  Eight 100Mbps Fast Ethernet Fiber port s and one GBIC port  One Console port on the front for switch so ftware configuration  Half-duplex mode for back pressu re and flow control for full- duplex  S tore-and-forward switching architecture  Automati[...]

3 Package Content s Unpack t he content s of the packag e and verify th em against the checklist below .  MIL-SM808G Switch  Power Cord  Four Rubber Feet  RS-232 cable  User Guide ( CD Manual)  W arranty Card If any item is missing or damaged, pl ease cont act your loca l dealer for service. Management Methods The MIL-SM808G switc[...]

4 SNMP Network Management SNMP ( Simple Network Management Protocol ) provides a means to monitor and control network devices, and to manage confi gurations, statisti c collection, performance, and security .[...]

5 2. Hardware Description Front Panel The Front Panel of the MIL-SM808G sw itch series co nsists of eight 100Mbps Fast Ethernet Fi ber ports, one GBI C port, on e console port, one LED-Indicator for Power , one LED-Indicator (LNK/ACT) for the GBIC port and two LED-Indicators (L NK/ACT , FDX/COL) for each Fiber port. Console LED GBIC Fast Ethernet P[...]

6 LED Indicators Figure 2-2. LED Indicators There are two LED-Indicators (LNK/ A CT , FDX/COL) for each Fiber port, one LED-Indicator (LNK/ACT) for the GBIC port and one LED-Indicator for power . The following table provid es descriptions of the LED st atuses and meaning. They pr ovide a real -time indicati on of systematic operation stat us. LED S[...]

7 Rear Panel The 3-pronged power plug and the po wer on/of f switch are located at the Rear Panel of the MIL-SM808G sw itch, as shown in Figure 2-3. The switches will work with AC in the range 100-240V AC, 50-60Hz. Power Plug Power On/Off Switch Figure 2-3. The Rear Panel of the MIL-SM808G Switch Desktop Inst allation Set the switch on a suf ficien[...]

8 Power On Connect the power cord to the power socket on the rear p anel of the Switch. Connect the other end of the cord to an appropriate power outlet. The int ernal power supply in the switch works with AC in the voltage range 100-240V AC, frequency 50~60Hz. Press the power On/Off switch to th e On position and check the power indicator on the f[...]

9 3. Network Application Segment Application For enterprise networks where large data broadcasts are const antly processed, this switch is suitable for dep artment users to connect to the corporate backbone. Y ou can use the MI L-SM808G switch to co nnect PCs, workstations, and servers to each other by connecting these devices direc t ly to the swi[...]

10 4. Network Configuration Connecting a T erminal or PC to the Console Port Console management involves the ad ministration of the switch via a direct connection to the RS-232 consol e port. This port is a female DB-9 connector . From the main menu of the console program, the user has access to manage the functions of the switch. Figure 4-1. Conne[...]

11 After the connection between Swit ch and PC is finished, turn on the PC and run a terminal emulation program or Hyper T erminal to match the following default characteri stics of the console port: Baud Rate: 9600 bp s Dat a Bits: 8 Parity: none S top Bit s: 1 Flow Control: None Figure 4-2. The settings of comm unication param eters After you hav[...]

12 4-1 Main Menu There are five items for selection as foll ows: St atus and Counters: Shows the status of the switch. Switch St atic Configuration: Menus to configure the switch. Protocol Related Configuration: Confi gures protocol features. Reboot Switch: Re starts t he system or rese ts the switch to the default configuration. Logout: Exits the [...]

13 4-2. S t atus and Counters Press the Ta b or Backspace key to choose action m enu, and then press the Enter key to select the ite m.[...]

14 4-2-1. Port S t atus Ty p e : Displays the port type of either 100Mbps or 1000Mbps. Enabled: A port that is enabled will be displayed as “Y es”. A port that is disabled will be displayed as “No”. Stat us : Displays the port's link. “Down” the port has no link, and “Up” the port has a link with the remote device. Mode: Displa[...]

15 4-2-2. Port Counters The following information provides a view of the current dat a packet information of the unit. The screen is not automatically updated. T o see updated stati stics, exit the menu and re-enter . Actions-> Press the Ta b or Backspace key to choose action menu, and then press Enter key to select item <Quit>: Exits the [...]

16 4-2-3. System Information System Description: Di splays the name of the device. MAC Address: The unique hardware addre ss assigned by manufacturer . Firmw are V ers ion: Displays the switch’ s firmware version. Hardw are V e rsion : Displays the switch’s Har dware version. Kernel version: Displays Boo t PROM version.[...]

17 4-3. Switch S t atic Configuration Press the T ab or Backsp ace key to choose action m enu, and then press the Enter key to select item. 4-3-1. Administration Configuration[...]

18 4-3-1-1. Device Information Device Name: 10 characters can be used to give the switch a uni que name in order to distinguish it on the netwo rk. After configuration this name will show at the top of each menu screen. Device Content: 32 characters can be used to describe devices att ached. Device Location: 32 characters can be used to give a loca[...]

19 4-3-1-2. IP Configuration This menu enables the user to change the default settings of the IP address, subnet mask and ga teway. Rebooting the switch is necessary to have the configuration chan ge t ake affect. Actions-> <Edit>: Configures all items. When finished, pressing ESC returns to the action menu line. <Save>: Saves all co[...]

20 4-3-1-3. Change Username Use this screen to change the User Name. The default user name is root. 4-3-1-4. Change Password Use this screen to change the Passwo rd. The default p assword is root.[...]

21 4-3-2. Port / T runk Configuration This p age can change every port st at us and configure trunk groups. Press TA B key t o change the conf iguration of each item. 1. Enabled: User can di sable or enable the port. Port 9 is always enabled. 2. Auto Negotiate: Port s 1 to 8 (100Mbps Fiber) are disabled, Port 9 (GBIC port) is enabled. 3. S peed/Dup[...]

22 4-3-3. Port Mirroring Configuration Port mirroring is a method for monitoring traffic in switched networks. T raffic through ports can be monitor ed by on e specific port. The traf fic being received or transmitted by the monito red ports will be duplicated into the monitoring port. Press the Sp ac e key to change the configuration of an item. 1[...]

23 4-3-4. VLAN Configuration All ports are automatically placed in VL AN 1, the default VLAN. T o create new VLANs, use the Create a VLAN Group menu and add a VLAN. Make sure when you enter a VLAN name you do not leave spaces. For example VLAN2 is correct; VLAN 2 will give an error . The VLAN name can be any 15 alphanumeric characters. S pecial cha[...]

24 4-3-4-1. VLAN Configure Choose a VLAN In the VLAN Configure menu select the type of VLAN you want to configure: No VLAN (default), Port Based, 802.1Q , or 802.1Q with GVRP . Save the configuration. There are 4 different options fo r VLANs to choose from using the space bar: Disabled, Port Based, 802.1Q and 802.1Q with GVRP . T o configure a new [...]

25 If more than one VLAN is necessary , the addition al VLANs may be cre ated. PVID (Port VID): Set the port VLAN ID that will be assigned to untagged traf fic on a given port. Thi s feature is useful for accommodating devices that you want to particip ate in the VLAN, but don’t support tagging. Only one untagged VLAN i s allowed per port. Other [...]

26 4-3-4-2. Create a VLAN Group T o create a VLAN and add tagged /unt agged member ports to it: 1. VLAN Name: T ype a name for the new VLAN using 15 alphanumeric characters and no spaces. 2. VLAN ID: T ype a VID (between 2~4 094). The default is 1. 3. Protocol VLAN: Press the Spac e key to choose protocol type. When set, this act s as a packet filt[...]

27 4-3-4-3. Edit / Delete a VLAN Group Use this menu to edit or delete a VLAN group. When editing the chosen VLAN, the user can change the protocol VLAN or a member port. A new protocol can be configured and the ports can be changed to tagged or unt agged or delete d as member ports from t his VLAN. In edit mode the VLAN Name and VL AN ID are read-[...]

28 4-3-5. Priority Configuration 1. There are eight (0 to 7) priority level s that can be ma pped as high or low priority queues. 2. High/Low Queue Service Ration (High:Low): User can select the ratio of high priority packet s and low priority packet s. Actions-> <Edit>: Configures all items. When finished, pressing ESC returns to the acti[...]

29 4-3-6.MAC Address Configuration 4-3-6-1.S t atic MAC Address When a stati c MAC address is added, it remains in the switch's address table, regar dless of whethe r the device is physic ally connected to the sw itch. This saves the switch from having to re-learn a device's MAC address when the device is disconnected or powere d-of f and[...]

30 Add st atic MAC address 1. Press the <Add> key . Then press the <Edit> key on this menu to add a static MAC address. 2. Enter the MAC address to and from which the port sh ould permanently forward traf fic, regardless of the device’s network activity . 3. In the Port num field, enter the port number for the device. 4. If t ag-based[...]

31 4-3-6-2.Filtering MAC Add r ess Edit Filtering MAC address 1. Press the <Edit> key to modify a st at ic Filtering address. 2. Choose the MAC addre ss that you want to modi fy and then press enter . 3. Press the <Edit> key to modify all the items. 4. Press ESC to go back action menu lin e, and then select <Save> to sa ve all con[...]

32 4-3-7.Misc Configuration[...]

33 4-3-7-1.Port Security A port set in security mode will be “l ocked” and be without address learning. Only the incoming packet s with the so urce MAC address already existing in the address table can be for w arded. With port security , users can disa ble a port from learning new MA C addresses. The user may then return to the static MAC addr[...]

34 4-3-7-2.MAC Age Interval T o configure a dif ferent MAC Age Interv al, type the number of seconds that an inactive MAC address re mains in the switch’s address t able before it is deleted. Once the address is removed from the table, a device will have to send out broadcast packet s to be rel earned by the switch and have its address put in the[...]

35 4-3-7-3.Broadcast S torm Filtering Broadcast storm filtering is used to li mit the amount of broadcast traf fic on the network. An excessive amount of br oadcast traffic can inhibit data packet s from timely delivery . The valid threshold values are 5%, 10 %, 15%, 20%, 25% and NO. If the broadcast traf fic is greater than the c onfigured value, [...]

36 4-3-7-4.Max Bridge T ransmit Delay Bound Max bridge transmit delay bound (0,1-4 sec): Limit s the packet s queuing time in the switch. If enabled, the pa cket s exceeding the queuing time will be dropped. Press the Sp ace key to set the time. V alid values are 1sec, 2sec, 4sec and Of f. The def ault is 1 second when this feature is enabled. This[...]

37 4-4.Protocol Related Configuration 4-4-1.STP 4-4-1-1.STP Enable This p age enables or disables the S p anning T ree function. Press the Spac e key to select Enabled or Di sabled.[...]

38 4-4-1-2.System Configuration S panning tree inf o rmation for the Root Bridge on the lef t is for display only . Configure new values for the STP parameter on the right. Y ou must enable ST P function before selecting the configuration menu. Priority: The value used to identify the ro ot bridge. The bridge with the lowest value has the highest p[...]

39 4-4-1-3.STP Port Configuration 1. PortS tat e: S p anning tree st atus for each port. 2. PathCost: S pecifies the path cost of th e port that the switch uses to determine which port s are the forwarding port s. If you change the value, you need to rest art the switch for valid value change to take ef fect. 3. Priority: S pecifies the p a th cost[...]

40 4-4-2.SNMP Any Network Management st ation running the Simple Network Management Protocol (SNMP) can ma nage the switch provided that the Management Information Base (MIB) is installed. SNMP i s a protocol that governs the transfer of information between management and agent. The switch supports SNMP V1. Use this menu to define ma nagement st at[...]

41 4-4-2-1.System Options Press <Edit> to enter all items, and then press <Save> to save the configured values. 1. System Nam e: Enter a name to identify the switch. 2. System Cont act: Enter the name of the cont act person or organization. 3. System Locati on: Enter the location of the switch.[...]

42 4-4-2-2.Community S trings Community strings serve as p asswords and can be entered as one of the following : Read only : Enabl es requests accomp anied by this string to display MIB- object information. Read Wr ite : Enables requests accomp anied by this string to display MIB- object information and to set MIB object s. T o enter SNMP Community[...]

43 4-4-2-3.T rap Managers A trap manager is a management st atio n that receives traps. The switch generates system alert s. If no trap mana ger is defined, no trap s are issued. Create a trap manager by entering th e IP address of the station and a community string. Actions-> <Add>: Creates a trap manager . <Edit>: Configures all it[...]

44 4-4-3.GVRP Use the GVRP Configurat ion screen to enable or di sable GVRP (G ARP VLAN Registration Protocol) support. Press the Sp ac e key to choose Enabled or Disabled. Actions-> <Edit>: Configures all items. Press the Space key to choose Enabled or Disabled mode. When finished, pressing ESC returns to the action menu line. <Save>[...]

45 4-4-4.LACP[...]

46 4-4-4-1.Aggregator Setting 1. Group: Displays the trunk gr oup ID. NOTE: Before setting LACP support, you must first set the trunk group using the Port / T runk Configuration screen. 2. LACP: Press the Sp ace key to enable or disabl e LACP (Link Aggregation Control Protocol) support. If enabled, t he group is an LACP static trunking group. If di[...]

47 4-4-4-2.S t ate Activity Active: The port automatically se nds LACP protocol p ackets. Passive: The port does not automati cally sends LACP protocol p ackets, and responds only if it receives LACP prot ocol packet s from the opposite device. Actions-> <Edit>: Configures all items. When finished, pressing ESC returns to the action menu l[...]

48 4-4-4-3.LACP S tatus When setting a trunking gro up, the relationship st atus information may be seen on the LACP Gr oup S t atus screen. Actions-> <Quit>: Exit s this page and re turns to previous menu.[...]

49 4-5.Reboot Switch Default: Resets the switch to the factory default configur ation . The software version that the switch will be re set to can be found on the “System Information” menu under the main menu “S t atus and Counters”. Rest art: Reboots the switch to enable items that have been configured. Wa r n i n g : The unit must be allo[...]

50 4-6.Up dating Firmware using the Console Port 1. While booting the switch, press the X key to st art the Xmodem routine on the device. 2. Pressing X will cause the switch X m odem application to begin and cause the baud rate to change to 57600 bps. Y ou will need to disconnect the cable connected to the serial port, and change the baud rate of y[...]

51 6. After successfully upgrading t o t he new firmware, change the baud rate back to the default 9600bp s.[...]

52 5. W eb-Based Management This section introduces the configur ation and functions of the web-based management of MIL-SM808G switch series. The managed switch series provides an embedded HTML websit e residing in flash memory . This feature allows users to manage the switch from anywhere on the network through a st andard web browser . NOTE: The [...]

53 5-1. W eb Management Home Overview 1. Home Page.[...]

54 5-2. Port st atus St ate: Displays port st atus off or on depending on user setting. “Unlink” means the port is of fline or “off ”. Link St atus: Down is “No Link”, Up is “Link” Auto Negotiation: Indicates if the port is in auto negoti ation mode. Speed st atus: Displays lin k speed. Port s 1-8 are 100Mb ps. Port 9 is 1000Mbps. D[...]

55 5-3. Port S t atistics 1. The following information provides a vi ew of the current st atus of the unit. A single port counter screen: 5-4. Administrator The management functions include IP address, switch settings, c onsole port information, port controls, link ag gregation, filter dat abase, VLAN configuration, sp anning tree, port mirroring, [...]

56 5-4-1. IP Address The IP Settings can be changed by ent ering new values and clicking the apply button. The switch must be reset for the new IP address to t ake effect. Default IP:192.168.1.77 Subnetmask:255.255.255.0 Gateway:192.168.1.6 5-4-2. Switch Settings 5-4-2-1.Basic Description: Displays the n ame of device type. MAC Address: Displays un[...]

57 5-4-2-2.Advanced 1. Miscellaneous Settings: MAC Address Age-out Time: T ype the number of seco nds that an inactive MAC address remains in the switch's a ddress t able. The va lid range is 300 to 765 seconds. Default is 300 seconds. Max bridge transit delay bound contr ol: Limits the p ackets queuing time in the switch. If enabled, the pack[...]

58 2. Priority Queue Service settings : First Come First Service: The sequence of packet s sent is dependent on the order of arrival. The first packets in the queue are transmitted before any other pa ckets. All High before Low: The high priority packet s are sent before the low priority packet s. Weighte d Round Robin: This option enables the user[...]

59 3. Protocol Enable Setting: Enable S panning T ree Protocol: Enables STP . The recommended default is to disable STP . Enable Internet Group Multicast Protocol: Enables I GMP protocol. IGMP Query Mode: Recognizes different queries from clients or ser vers to decide which Query will be the firs t priority. The four mode s are: Auto Mode : Chooses[...]

60 4. IGMP Theory of Operation The following three topologies det a il how IGMP Query wor ks and to be configured within a net work: 1. Auto mode needs to be enabled when the router’s IP address i s smaller than other switches in the subnet. 2. IGMP needs to be enabled when the rout er’s IP address is not smaller than other switches in the subn[...]

61 3. The following topology mu st be set when the IP address of the switch is not the smallest in the subnet. The network will ca use a multi-cast storm from the IGMP client report if it is in Auto mode. All sw itches must be in disable mode when the VO D server is configur ed for IGMP Querier . Note: It is suggested that the VOD se rver switch ha[...]

62 5-4-3. Console Port Information Console is a st andar d UAR T interface to commun icate with a seri al port. The Windows HyperT erminal program can be used to link the switch with the console port. In order to change an y of these paramet ers, you must be connected to the console port. Baud rate (bit s/sec): 9600 Da ta B its : 8 Parity Check: no[...]

63 5-4-4. Port Controls The menu allows changing of port configurations. St ate: User can disable or enable port s 1-8, port 9 is always enabled. Auto Negotiation: Port s 1-8 are fixed to di sabled mode, and port 9 is enabled. Speed setting: Ports 1-8 ar e set at a fixed spee d of 100Mbps. Port 9 is fixed at 1000Mbps (GBIC port). Duplex setting: Us[...]

64 5-4-5-1. Aggregator Setting System Priority: A value used to identify the active LACP . The switch with the lowest value has the highest priority and is se lected as the active LACP . T o create a trunk acro ss two or more ports: 1. Group ID: Choose the "Group ID " and click "Get". 2. LACP: If enabl ed, the group supports LAC[...]

65 5-4-5-2. Aggregator Information The LACP Aggregator relation info rmation is displ ayed as shown. 5-4-5-3. S t ate Activity Active (select) : The active port automatically sends LACP protocol p ackets. Passive (not selected) : The p ass ive port does no t automatically send LACP protocol packet s, but respon ds only if it receives LACP protocol [...]

66 5-4-6. Filter Dat abase 5-4-6-1. IGMP Snooping The switch supports IP multicasting . Y ou can enable IGMP vi a the web management’s configurat ion screen. In addition, you can view dif ferent multicast group s, VIDs and member ports, and IP multicast addresses that range from 224.0.0.0 th rough 239.255.255.255. The Internet Group Manageme nt P[...]

67 5-4-6-2. S t atic MAC Address When a stati c MAC address is added, it remains in the switch's address table, regar dless of whethe r or not the device is physically connected to the switch. This saves the switch from having to re-learn a device's M AC address when the device is disconnected or powered-of f. T o add a st atic MAC addres[...]

68 5-4-6-3. Port Security A port in security mode w ill be “locked” with address learning blocked. Only the incoming packet s with SMAC alread y existing in the address t able can be forwarded normally . The user can disa ble the port from learning any new MAC addresses, then use th e st atic MAC addresses screen to define a list of MAC address[...]

69 5-4-6-4. MAC Filtering MAC address filtering allows the switch to drop unwanted traffic. T raf fic is filtered based on the de stination addresses. S teps to specify a MAC address to filter: 1. In the MAC Addres s box, enter the MAC address to filter . 2. If t ag-based (802.1Q) VL AN are set up on the swit ch, in the VLAN ID box, type the VID to[...]

70 5-4-7. VLAN Configuration A V irtual LAN (VLAN) is a logical netw ork grouping that limits the broadcast domain. It allows you to isolate network traf fic so only members of the VLAN receive traffic from the same VLAN members. Basically , creating a VL AN from a switch is logically equivalent of reconnecting a group of network devices to another[...]

71 5-4-7-1. Basic VLAN Configuration By default, there are no VLANs set for the swit ch. In order to c onfigure any of the different types of VLANs, VLANs need to be enabled in the switch using Settings/Advanced/Protocol Enable Settings/VLAN Operational Mode. The following are the choices offered: Port Based VLANs This screen shows the current Port[...]

72 Create a VLAN and add t agged member port s to it. 1. From the main menu, click Administrator -- VLAN C onfiguration . 2. Click Add. 3. T ype a name for the new VLAN. 4. T ype a VID (between 2 to 4094). The default is 1. 5. From the A vailable ports box, sel ect ports to add to th e switch an d click Add. 6. Click Apply[...]

73 5-4-7-2. Port VID Configure port VID settings: From the main T ag-based (IEEE 80 2.1Q) VLA N page, cli ck Port VID Settings. Port VID (PVID) Used for setting the Port VLAN ID that will be assigned to untagged traf fic on a given port. For example, if port 9' s Default PVID is 100, all untagged packet s on port 9 will belong to VLAN100. The [...]

74 5-4-8. S p anning T ree The S panni ng-Tr ee Protocol (STP) is a st andardized method (IEEE 802.1D) for avoiding loops in switched net wo rks. When STP is enabled it ensures that only one path at a time i s active between any two no des on the network. S panning-T ree Protocol can be en abl ed using web management’s switch setting advanced ite[...]

75 Information about the current sp anning tr ee status is displayed in t his table. Parameter Description Priority The priority value used to identify the root bridge can be changed. The bridge with the lowest value has the highe st priority and is selected as the root. Enter a number 1 through 65 535. Max Age Max Age value is the number of second[...]

76 The priority and path cost can be configured for each port. Click the Apply button to modify the configuration . Parameter Description Port Priority A change to the Port Priority affe ct s which port will be the root port. The lowest number has the highest priority . The range is 0-255 and the default setting for all port s is 128. If you change[...]

77 5-4-9. Port Mirroring The Port Mirroring feature is disabled by default. Selecting enable from the pull down menu will cause the selected traf fic from the selected monitor ports t o be mirrored to the se lected analysis port. Press t he Apply button to submit the changes. Port Mirroring St ate: Enables or disables the port mirroring function. A[...]

78 5-4-10. SNMP SNMP is a prot ocol that governs th e transfer of information between management and agent. The swit ch supports SNMP V1. Any Network Management station ru nning the Simple Network Management Prot ocol (SNMP) can manage the sw itch provided that th e Management Information Base (MIB) is installed. Use this menu to define ma nagement[...]

79 3. T rap Manager A trap manager is a management st ation that receives traps. T raps are the system alerts generated by the swit ch. If no trap manager is defined, no traps are issued. Create a trap manage r by entering the IP address of the station and a co mmunity string. 5-4-1 1.Security Manager The user can change the user name and pa ssword[...]

80 5-4-12. TFTP Up date Firmware The following menu options pr ovide some syst em control functions to allow a user to update firmware and re motely boot the switch system: • Executing TFTP software • Copy firmware update version image .bin to TFTP software directory . • In web management select Administrator—TFTP up date firmware. • Down[...]

81 5-4-13-2. TFTP Backup Configuration Use this screen to set the TFTP serv er IP address. Y ou can save current EEPROM value from here , then go to the TFTP Restore Configuration screen to restore the EEPROM value. 5 -4-14. Reset System Reset Switch to de fault configuration. 5-4-15. Reboot Select Reboot to restar t the system with the cu rrent sa[...]

82 6. T echnical S pecifications This section provides the specificat i ons of MIL-SM808G switch product. Stan d ar d s Compliance IEEE 802.3u 100BASE- FX Fast Ethernet IEEE 802.3z Gigabit Fiber Protocol CSMA/CD Max Forwarding and Max Filtering Rate 14,8800 pps per Fast Ethernet port, 148,8000 pps per Gigabit Et hernet port (GBIC) LED Indicators Fi[...]

83 7. T roubleshooting This section is intend ed to help you solve some common problems encountered while using the MIL-SM808G switch s eries. Incorrect connections  Faulty or loose cables Look for loose or obviously faulty co nnections. If they appear to be OK, make sure the connecti ons are sn ug. If that does not correct the problem, try dif [...]

84  Cabling 100BASE-FX fiber port: Multi-mode fiber connector types must use 50/125 or 62.5/125 µ m multi-mode fiber cable. T wo devices may be connected over a 2 kilometer dist an ce. Single-mode fiber connector types must use 9/125 µ m singl e-mode fiber cable. T wo devices may be connected over a 15 or 60 kilomete r dist ance in full duplex[...]