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INSTALLATION AND OPERATION MANUAL 

CNGE8MS

8-Port Managed gigabit Switch

v2.0 Sept 2012

The ComNet

 CNGE8MS is an 8-port Managed Ethernet Switch designed to 

reliably operate in harsh, environmentally challenging applications. It features 
four (4) 1000BASE-TX and four (4) gigabit combo ports. The four combo ports are 
10/100/1000Mbps configurable for either Cat5-e copper, or multimode or single-
mode optical fiber by the use of optional ComNet SFPs for connector type and 
distance. Exclusive to ComNet is C-Ring, a feature that protects the network from 
interruptions or temporary malfunctions with fast recovery technology.  Legacy ring 
allows the switch to be used in an existing ring of ComNet X-Ring enabled switches. 
Redundant DC inputs are included for uninterrupted operation in the event of a power 
supply failure. The electrical ports support the 10/100/1000Mbps Ethernet IEEE802.3 
protocol, and auto-negotiating and auto-MDi/MDiX features are provided. These 
network-managed layer 2 switches are optically and electrically compatible with any 
IEEE802.3 compliant Ethernet device. The CNGE8MS is DIN-rail or wall-mountable.

rev. 2.21.13

Summary of Contents for CNGE8MS

Page 1: ...distance Exclusive to ComNet is C Ring a feature that protects the network from interruptions or temporary malfunctions with fast recovery technology Legacy ring allows the switch to be used in an exi...

Page 2: ...n DIN Rail 7 Wall Mounting Installation 9 Hardware Overview 10 Front Panel 10 Front Panel LEDs 12 Top View Panel 13 Rear Panel 14 Cables 15 Ethernet Cables 15 SFP 18 Console Cable 18 WEB Management 20...

Page 3: ...ist MAC Filter Table command set 85 Commands Set List SNMP command set 86 Commands Set List Port Mirroring command set 87 Commands Set List 802 1x command set 87 Commands Set List TFTP command set 88...

Page 4: ...s or repairs done by persons other than ComNet approved personnel and this warranty does not apply to ComNet products that are misused abused improperly installed or damaged by accidents Please refer...

Page 5: ...time and switches statuses monitored Software Features Redundant Ethernet Ring C Ring Recovery time 30ms over 250 units connection Supports Ring Coupling Dual Homing over C Ring technology Supports S...

Page 6: ...ing Temperature 40 C to 75 C 40 to 167 F Functional to 85 C 185 F Storage Temp 40 C to 85 C 40 to 185 F Storage Temperature 40 to 85 C Operating Humidity 5 to 95 non condensing Casing Aluminum 4 10 10...

Page 7: ...ANUAL CNGE8MS Tech Support 1 888 678 9427 Hardware Installation Installing the Switch on DIN Rail Each switch has a DIN Rail kit on the rear panel The DIN Rail kit affixes the switch to the DIN Rail I...

Page 8: ...LLATION AND OPERATION MANUAL CNGE8MS Tech Support 1 888 678 9427 Mount Series on DIN Rail Step 1 Tilt the switch and mount the metal spring to DIN Rail Step 2 Push the switch toward the DIN Rail until...

Page 9: ...be found in the package The following steps show how to mount the switch on the wall Mounting the CNGE8MS on a Wall Step 1 Remove Din Rail kit Step 2 Use the included screws to attach the wall mount...

Page 10: ...that are attached to the CNGE8MS Port Description 10 100 1000 BASE T X RJ 45 fast Ethernet ports 4 10 100 1000BASE T X RJ 45 fast Ethernet ports supporting auto negotiation Default Settings Speed aut...

Page 11: ...connected correctly the green LED will be light on 4 LED for R M Ring Master When the LED light is on it means that the switch is the ring master of C Ring 5 LED for Ring When the LED light is on it...

Page 12: ...2 activated R M Green On Ring Master Ring Green On C Ring enabled Slowly blinking C Ring has only one link lack of one link to build the ring Fast blinking C Ring working normally Fault Amber On Faul...

Page 13: ...9 17 12 PAGE 13 INSTALLATION AND OPERATION MANUAL CNGE8MS Tech Support 1 888 678 9427 Top View Panel The bottom panel component of CNGE8MS is shown as below 1 Terminal block includes PWR1 PWR2 12 48V...

Page 14: ...S_REV 09 17 12 PAGE 14 INSTALLATION AND OPERATION MANUAL CNGE8MS Tech Support 1 888 678 9427 Rear Panel The rear panel components of CNGE8MS are shown below 1 Screw holes for wall mount kit 2 DIN Rail...

Page 15: ...e link type the switches use CAT3 4 5 5 e UTP cables to connect to any other network device PCs servers switches routers or hubs Please refer to the following table for cable specifications Cable Type...

Page 16: ...BASE T X cable pins 1 and 2 are used for transmitting data and pins 3 and 6 are used for receiving data Pin Number Assignment 1 TD 2 TD 3 RD 4 Not used 5 Not used 6 RD 7 Not used 8 Not used 10 100BASE...

Page 17: ...Number MDI port MDI X port 1 TD transmit RD receive 2 TD transmit RD receive 3 RD receive TD transmit 4 Not used Not used 5 Not used Not used 6 RD receive TD transmit 7 Not used Not used 8 Not used No...

Page 18: ...an be managed by connection to the console port The DB 9 to RJ 45 cable can be found in the package You can connect them to a PC using a RS 232 cable with DB 9 female connector and the other end RJ 45...

Page 19: ...om DCE Device 3 Transmitted Data Transmitted from DTE Device Received Data Received by DCE Device 4 DTE Ready Transmitted from DTE Device DTE Ready Received by DCE Device 5 Signal Ground Signal Ground...

Page 20: ...Web Based Management function supports Internet Explorer 5 0 or later It is based on Java Applets with an aim to reduce network bandwidth consumption enhance access speed and present an easy viewing...

Page 21: ...INS_CNGE8MS_REV 09 17 12 PAGE 21 INSTALLATION AND OPERATION MANUAL CNGE8MS Tech Support 1 888 678 9427 Login screen Main Interface Main interface...

Page 22: ...Assign the name of switch The maximum length is 64 bytes System Description Display the description of switch System Location Assign the switch physical location The maximum length is 64 bytes System...

Page 23: ...and password to control access to the switch and network Admin Password interface The following table describes the labels in this screen Label Description User name Key in the new username The defaul...

Page 24: ...popup dialog box will appear to inform you when the DHCP client is enabled The current IP address will be lost and you should find a new IP on the DHCP server IP Address Assign the IP address that the...

Page 25: ...in the Internet SNTP Configuration interface The following table describes the labels in this screen Label Description SNTP Client Enable or disable SNTP function to get the time from the SNTP server...

Page 26: ...7 hours 5 am PST Pacific Standard ADT Alaskan Daylight 8 hours 4 am ALA Alaskan Standard 9 hours 3 am HAW Hawaiian Standard 10 hours 2 am Nome Alaska 11 hours 1 am CET Central European FWT French Wint...

Page 27: ...t time Switch Timer Display the switch current time Apply Select Apply to set the configurations LLDP LLDP Link Layer Discovery Protocol function allows the switch to advertise its information to othe...

Page 28: ...ration page to restore the EEPROM value Backup Restore interface The following table describes the labels in this screen Label Description TFTP Server IP Address Fill in the TFTP server IP Restore Fil...

Page 29: ...utomatically You can put firmware or configuration file on TFTP server When you reboot the switch it will upgrade automatically Before updating make sure you have your TFTP server ready and the firmwa...

Page 30: ...INS_CNGE8MS_REV 09 17 12 PAGE 30 INSTALLATION AND OPERATION MANUAL CNGE8MS Tech Support 1 888 678 9427 System Reboot System Reboot interface...

Page 31: ...assign range Low IP address is the beginning of the dynamic IP assigns range For example dynamic IP assign range is from 192 168 1 100 to 192 168 1 200 192 168 1 100 will be the Start IP address End I...

Page 32: ...lect the DHCP client information and display in here DHCP Server Client Entries interface DHCP Server Port and IP bindings You can assign the specific IP address which is in the assigned dynamic IP ra...

Page 33: ...his screen Label Description Port NO Port number for setting Speed Duplex You can set Auto negotiation 100 full 100 half 10 full 10 half mode Flow Control Support symmetric and asymmetric mode to avoi...

Page 34: ...set Ingress or Egress to limit traffic received or transmitted bandwidth Rate Limit interface The following table describes the labels in this screen Label Description Ingress Limit Frame Type You ca...

Page 35: ...3ad LACP to combine several physical links with a logical link to increase the bandwidth Port Trunk Setting interface The following table describes the labels in this screen Label Description Group ID...

Page 36: ...ing Port The backup port when this switch is Ring Master Coupling Ring Mark to enable Coupling Ring Coupling Ring can be used to divide a big ring into two smaller rings to avoid affecting all switche...

Page 37: ...e The switch supports the function and interface for setting the switch as the ring master or not The ring master can negotiate and place command to other switches in the X Ring group If there are 2 o...

Page 38: ...is proprietary redundant ring technology Different from standard STP RSTP the recovery time of C RSTP is less than 30ms and support more nodes connected in a ring topology C RSTP interface The applic...

Page 39: ...labels in this screen Label Description RSTP mode You must enable or disable RSTP function before configuring the related parameters Priority 0 61440 A value used to identify the root bridge The bridg...

Page 40: ...ependent upon whether the port concerned can only be connected to exactly one other bridge i e It is served by a point to point LAN segment or it can be connected to two or more bridges i e It is serv...

Page 41: ...ning Tree Protocol MSTP is a standard protocol base on IEEE 802 1s The function is that several VLANs can be mapped to a reduced number of spanning tree instances because most networks do not need mor...

Page 42: ...protocol standard rule Max Age Time 6 40 The number of seconds a bridge waits without receiving Spanning tree Protocol configuration messages before attempting a reconfiguration Enter a value between...

Page 43: ...ithin RSTP are dependent upon whether the port concerned can only be connected to exactly one other bridge i e It is served by a point to point LAN segment or it can be connected to two or more bridge...

Page 44: ...You must reboot the switch The value must be multiple of 4096 according to the protocol standard rule Apply Select Apply to set the configurations MSTP Instance Port interface Label Description Insta...

Page 45: ...Configuration 802 1Q Tagged based VLAN is an IEEE 802 1Q specification standard and t is possible to create a VLAN across devices from different switch vendors IEEE 802 1Q VLAN uses a technique to ins...

Page 46: ...he devices in the management VLAN can access the switch Link type There are 3 types of link type Access Link single switch only allows you to group ports by setting the same VID Trunk Link extended ap...

Page 47: ...t queues will follow 8 4 2 1 ratio to transmit packets from the highest to lowest queue For example 8 high queue packets 4 middle queue packets 2 low queue packets and the one lowest queue packets are...

Page 48: ...Port base priority Port based Priority interface The following table describes the labels in this screen Label Description Port base Priority Assign Port with a priority queue 4 priority queues can b...

Page 49: ...f Service is well known as 802 1p It describes that the output priority of a packet is determined by user priority field in 802 1Q VLAN tag The priority value is supported 0to7 COS value map to 4 prio...

Page 50: ...DSCP TOS Type of Service is a field in IP header of a packet This TOS field is also used by Differentiated Services and is called the Differentiated Services Code Point DSCP The output priority of a...

Page 51: ...ibes the labels in this screen Label Description IGMP Snooping Enable Disable IGMP snooping IGMP Query Mode Switch will be IGMP querier or not There should exist one and only one IGMP querier in an IG...

Page 52: ...LLATION AND OPERATION MANUAL CNGE8MS Tech Support 1 888 678 9427 SNMP Agent Setting You can set SNMP agent related information by Agent Setting Function SNMP Agent Setting interface The following tabl...

Page 53: ...Each Community String is maximum 32 characters Keep empty to remove this Community string SNMPv3User If SNMP V3 agent is selected the SNMPv3 you profiled should be set for authentication The Username...

Page 54: ...r by entering the IP address of the station and a community string To define management stations as trap manager and enter SNMP community strings and selects the SNMP version SNMP Trap Setting interfa...

Page 55: ...List can manage the switch through your defined management mode WEB Telnet SNMP IP Security interface The following table describes the labels in this screen Label Description IP security MODE Enable...

Page 56: ...ecurity is enabled at a Port Control page only the frames with MAC addresses in this list will be forwarded otherwise they will be discarded Port Security interface The following table describes the l...

Page 57: ...in list Any frames forwarding to MAC addresses in this list will be discarded Thus the target device will never receive any frame MAC Blacklist interface The following table describes the labels in t...

Page 58: ...rver 802 1x makes the use of the physical access characteristics of IEEE802 LAN infrastructures in order to provide a authenticated and authorized devices attached to a LAN port Please refer to IEEE 8...

Page 59: ...etting Quiet Period Set the time interval between authentication failure and the start of a new authentication attempt Tx Period Set the time that the switch can wait for response to an EAP request id...

Page 60: ...e interface The following table describes the labels in this screen Label Description Port Authorized Mode Reject force this port to be unauthorized Accept force this port to be authorized Authorize t...

Page 61: ...vents occur the warning message will be sent to your appointed server E MAIL or relay fault to the switch panel Fault Alarm When any selected fault event has occurred the fault LED in the switch panel...

Page 62: ...INS_CNGE8MS_REV 09 17 12 PAGE 62 INSTALLATION AND OPERATION MANUAL CNGE8MS Tech Support 1 888 678 9427 TACACS...

Page 63: ...ansmit event notification messages across networks Please refer to RFC 3164 The BSD SYSLOG Protocol System Warning SYSLOG Setting interface The following table describes the labels in this screen Labe...

Page 64: ...interface The following table describes the labels in this screen Label Description E mail Alarm Enable Disable transmission system warning events by e mail Sender E mail Address The SMTP server IP ad...

Page 65: ...checkbox can not be checked when SYSLOG or SMTP is disabled System Warning Event Selection interface The following table describes the labels in this screen Label Description System Event System Cold...

Page 66: ...ng Database supports queries by the Forwarding Process as to whether a frame received by a given port with a given destination MAC address is to be forwarded through a given potential transmission por...

Page 67: ...red from MAC table The CNGE8MS also support Auto Flush MAC Address Table when ports Link down MAC Address Aging interface The following table describes the labels in this screen Label Description MAC...

Page 68: ...eed and media type Link Show port link status State Show ports enable or disable TX GOOD Packet The number of good packets sent by this port TX Bad Packet The number of bad packets sent by this port R...

Page 69: ...port as well as sending the frame where it normally would have gone Note that keep all source ports unchecked in order to disable port monitoring Port monitoring interface The following table describe...

Page 70: ...n Page Select LOG page Reload To get the newest event logs and refresh this page Clear Clear log Help Show help file Save Configuration If any configuration is changed Save Configuration should be sel...

Page 71: ...supports CLI management You can use console or telnet to manage the switch by CLI CLI Management by RS 232 Serial Console 9600 8 none 1 none Before configuring by RS 232 serial console use an RJ45 to...

Page 72: ...INS_CNGE8MS_REV 09 17 12 PAGE 72 INSTALLATION AND OPERATION MANUAL CNGE8MS Tech Support 1 888 678 9427 Step 2 Input a name for new connection Step 3 Select the COM port number...

Page 73: ...427 Step 4 The COM port properties setting 115200 for Bits per second 8 for Data bits None for Parity 1 for Stop bits and none for Flow control Step 5 The Console login screen will appear Use the keyb...

Page 74: ...ss 192 168 10 1 Subnet Mask 255 255 255 0 Default Gateway 192 168 10 254 User Name admin Password admin Follow the steps below to access the console via Telnet Step 1 Telnet to the IP address of the s...

Page 75: ...configuration Enter the configure command while in privileged EXEC mode switch config To exit to privileged EXEC mode enter exit or end Use this mode to configure parameters that apply to your Switch...

Page 76: ...s Subnet mask Gateway G Configure the IP address of switch switch config ip address 192 168 1 1 255 255 255 0 192 168 1 254 ip dhcp G Enable DHCP client function of switch switch config ip dhcp show i...

Page 77: ...Show client entries of DHCP server switch show dhcpserver clients show dhcpserver ip binding P Show IP Binding information of DHCP server switch show dhcpserver ip binding no dhcpserver G Disable DHCP...

Page 78: ...Asymmetric no flowcontrol I Disable flow control of interface switch config if no flowcontrol security enable I Enable security of interface switch config interface fastEthernet 2 switch config if sec...

Page 79: ...2 switch config if show bandwidth state Enable Disable I Use the state interface configuration command to specify the state mode of operation for Ethernet ports Use the disable form of this command t...

Page 80: ...ort range ex 1 4 or a port list separate by a comma ex 2 3 6 Workport The amount of work ports this value could not be less than zero or be large than the amount of member ports aggregator group Group...

Page 81: ...TaggedVID List V Assign a trunk link for VLAN by port if the port belongs to a trunk group this command cannot be applied switch vlan vlan 8021q port 3 trunk link tag 2 3 6 99 or switch vlan vlan 8021...

Page 82: ...tch If a switch does not receive a bridge protocol data unit BPDU message from the root switch within this interval it recomputed the Spanning Tree Protocol STP topology switch config spanning tree ma...

Page 83: ...t 2 switch config if stp admin non stp False Show spanning tree E Display a summary of the spanning tree states switch show spanning tree no spanning tree G Disable spanning tree switch config no span...

Page 84: ...ry auto G Set IGMP query to auto mode switch config Igmp query auto Igmp query force G Set IGMP query to force mode switch config Igmp query force show igmp configuration P Displays the details of an...

Page 85: ...address table P Show all MAC address table switch show mac address table show mac address table static P Show static MAC address table switch show mac address table static show mac address table filt...

Page 86: ...rings public right RO or switch config snmp community strings public right RW snmp snmpv3 user User Name password Authentication Password Privacy Password G Configure the user profile for SNMPV3 agent...

Page 87: ...021x enable 8021x system radiousip IP address G Use the 802 1x system radious IP global configuration command to change the radius server IP switch config 8021x system radiousip 192 168 1 1 8021x syst...

Page 88: ...rtstate disable reject accept authorize I Use the 802 1x port state interface configuration command to set the state of the selected port switch config interface fastethernet 3 switch config if 8021x...

Page 89: ...uthentication switch config smtp authentication smtp account account G Configure authentication account switch config smtp account User smtp password password G Configure authentication password switc...

Page 90: ...cold start no event authentication failure G Disable Authentication failure event type switch config no event authentication failure no event ring topology change G Disable ring topology changed even...

Page 91: ...ig sntp daylight period 20060101 01 01 20060202 01 01 sntp daylight offset Minute G Set offset of daylight saving time if SNTP function is inactive this command can t be applied switch config sntp day...

Page 92: ...ng Port G Configure 1st 2nd Ring Port switch config Ring ringport 7 8 Ring couplingport Coupling Port G Configure Coupling Port switch config Ring couplingport 1 Ring controlport Control Port G Config...

Page 93: ...1x for Authentication IEEE 802 1AB for LLDP Link Layer Discovery Protocol MAC addresses 8192 Priority Queues 4 Flow Control IEEE 802 3x Flow Control and Back pressure Processing Store and Forward Inte...

Page 94: ...D x H 2 93 4 3 6 05 in 7 43 10 92 15 36 cm Casing Aluminum Regulatory Approvals EMI FCC Part 15 CISPR EN55022 class A EMS EN61000 4 2 ESD EN61000 4 3 RS EN61000 4 4 EFT EN61000 4 5 Surge EN61000 4 6...

Page 95: ...INS_CNGE8MS_REV 09 17 12 PAGE 95 INSTALLATION AND OPERATION MANUAL CNGE8MS Tech Support 1 888 678 9427...

Page 96: ...ch Support 1 888 678 9427 info comnet net 8 Turnberry Park Road Gildersome Morley Leeds UK LS27 7LE T 44 0 113 307 6400 F 44 0 113 253 7462 info Europe comnet net MECHANICAL INSTALLATION INSTRUCTIONS...

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