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3Com Router Module Guide

Chapter 4

4-13

4.3 ROUTER 4-PORT/8-PORT ENHANCED SERIAL FIC

4.3.1 Introduction

ROUTER 4-PORT/8-PORT ENHANCED SERIAL FIC, 2-/4-/8-port enhanced
high-speed sync/async serial interface card, transmits, receives, and processes data
on the synchronous/asynchronous serial interface. They support both synchronous
and asynchronous modes. In the former case, they support the DTE/DCE mode.

I. DTE and DCE

An FIC-SA card is usually connected to an external modem for dialing purpose, where
an appropriate baud rate setting is required.

The synchronous serial interface can work in either DTE or DCE mode. Two directly
connected devices must work as DTE and DCE respectively. The DCE provides clock
synchronization and specifies the communication rate, whereas the DTE accepts
clock synchronization and communicates at the specified rate.

The router normally works as a DTE. To identify whether the equipment connected to
the router is DTE or DCE, refer to the manual shipped with the equipment.

II. Speed and transmission segment of synchronous/asynchronous serial

interface

In different operating modes, the synchronous/asynchronous serial interface supports
different electric signal specifications and baud rates. In addition, the maximum signal
transmission segment depends not only on the specified baud rate but also on the
selected cable. The following table shows how the cable type, baud rate, and the
maximum signal transmission segment related to each other.

Table 4-7

Speed and transmission segment of the V.24 (RS232)

/

V.35 cable

V.24 (RS232)

V.35

Baud rate (bps)

Max. transmission

segment

Baud rate (bps)

Max. transmission segment

2400

60 m (196.9 ft.)

2400

1250 (4101 ft.)

4800

60 m (196.9 ft)

4800

625 m (2050.5 ft.)

9600

30 m (98.4 ft.)

9600

312 m (1023.6 ft.)

19200

30 m (98.4 ft)

19200

156 m (511.8 ft.)

38400

20 m 65.6 ft.)

38400

78 m (255.9 ft.)

64000

20 m (65.6 ft)

56000

60 m (196.9 ft.)

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Summary of Contents for 3C13886 - Router OC-3 ATM SML Flexible Interface Card

Page 1: ...i 3Com Router Modules Installation Guide http www 3com com Part No DIA1372 8AAA01 Published September 2005 ...

Page 2: ... 3 2 2 1 Introduction 2 3 2 2 2 Appearance 2 4 2 2 3 Interface Attributes 2 5 2 2 4 Interface LEDs 2 6 2 2 5 Interface Cable 2 6 2 2 6 Connecting Interface Cable 2 8 2 3 ROUTER 2 PORT ISDN S T SIC and ROUTER 2 PORT ISDN U SIC 2 9 2 3 1 Introduction 2 9 2 3 2 Appearance 2 9 2 3 3 Interface Attributes 2 10 2 3 4 Interface LEDs 2 10 2 3 5 Interface Cable 2 11 2 3 6 Connecting Interface Cable 2 12 2 4...

Page 3: ...able 2 28 2 7 6 Connecting Interface Cable 2 29 Chapter 3 Multifunctional Interface Modules Router 5000 3 1 3 1 Router 2 Port FXS FXO E M MIM Modules Router 4 Port 4FXS 4FXO 4E M MIM Modules 3 1 3 1 1 Introduction 3 1 3 1 2 Appearance 3 1 3 1 3 Interface Attributes 3 2 3 1 4 Interface LEDs 3 3 3 1 5 Interface Cable 3 4 3 1 6 Connecting Interface Cable 3 6 3 2 Router E1 Voice Module 3 7 3 2 1 Intro...

Page 4: ... ENHANCED SERIAL MIM 3 25 3 7 1 Introduction 3 25 3 7 2 Interface Attributes 3 26 3 7 3 Interface LEDs 3 27 3 7 4 Interface Cable 3 28 3 7 5 Connecting the Interface Cable 3 31 3 8 Router 2 and 4 Port CE1 PRI MIM Modules 3 32 3 8 1 Introduction 3 32 3 8 2 Interface Attributes 3 32 3 8 3 Interface LEDs 3 33 3 8 4 Interface Cable 3 34 3 8 5 Internal DIP Switches 3 37 3 8 6 Connecting the Interface C...

Page 5: ...terface LEDs 3 53 3 13 5 Troubleshooting 3 54 3 14 ROUTER 4 PORT E1 IMA MIM 3 55 3 14 1 Introduction 3 55 3 14 2 Appearance of the Interface Card 3 55 3 14 3 Interface Attributes 3 55 3 14 4 Panels and Interface LEDs 3 56 3 14 5 Interface Cable 3 57 3 14 6 Connection of the Interface Cable 3 57 3 15 ROUTER 4 PORT T1 IMA MIM 3 58 3 15 1 Introduction to the Interface card 3 58 3 15 2 Appearance of t...

Page 6: ...e Optical Fiber 3 65 4 1 12 Connecting the Interface Optical Fiber 3 65 4 2 ROUTER 1 PORT 10 100 1000 FIC 3 65 4 2 1 Introduction 3 65 4 2 2 Interface Attributes 3 65 4 2 3 Panel and Interface LEDs 3 65 4 2 4 Interface Cable 3 65 4 2 5 Connecting the Interface Cable 3 65 4 3 ROUTER 4 PORT 8 PORT ENHANCED SERIAL FIC 3 65 4 3 1 Introduction 3 65 4 3 2 Interface Attributes 3 65 4 3 3 Panel and Interf...

Page 7: ... 3 66 4 8 5 Connecting the Interface Cable 3 66 4 9 ROUTER 1 PORT T3 ATM FIC 3 66 4 9 1 Introduction 3 66 4 9 2 Interface Attributes 3 66 4 9 3 Panel and Interface LEDs 3 66 4 9 4 Interface Cable 3 66 4 9 5 Connecting the Interface Cable 3 66 4 10 ROUTER 1 PORT OC 3 ATM MM FIC ROUTER 1 PORT OC 3 ATM SM FIC ROUTER 1 PORT OC 3 ATM SML FIC 3 66 4 10 1 Introduction 3 66 4 10 2 Interface Attributes 3 6...

Page 8: ...S 4 PORT FXO FIC 3 66 4 15 1 Introduction 3 66 4 15 2 Interface Attributes 3 66 4 15 3 Panel and Interface LEDs 3 66 4 15 4 Interface Cable 3 66 4 15 5 Connecting the Interface Cable 3 66 4 16 ROUTER 1 PORT E1 VOICE FIC 3 66 4 16 1 Introduction 3 66 4 16 2 Interface Attributes 3 66 4 16 3 Panel and Interface LEDs 3 66 4 16 4 Interface Cable 3 66 4 16 5 Connecting the Interface Cable 3 66 4 17 ROUT...

Page 9: ...718 z Router 1 Port Fractional T1 SIC 3C13720 z Router 1 Port Fractional E1 SIC 3C13722 z Router 1 Port Analog Modem SIC 3C13724 z Router 1 port FXS SIC card 3C13725 z Router 2 port FXS SIC card 3C13726 z Router 1 port FXO SIC card 3C13727 z Router 2 port FXO SIC card 3C13728 1 2 Types of MIMs 3Com 5000 Router Family modular routers provide MIM slots for this release and support the following MIMs...

Page 10: ...3C13860 z Router 2 Port 10 100 FIC 3C13861 z Router 1 Port 100FX SM FIC 3C13862 z Router 4 Port Enhanced Serial FIC 3C13863 z Router 8 Port Enhanced Serial FIC 3C13864 z Router 4 Port CE1 PRI FIC 3C13866 z Router 4 Port CT1 PRI FIC 3C13870 z Router 1 Port ADSL over POTS FIC 3C13871 z Router 2 Port ADSL over POTS FIC 3C13872 z Router NDEC2 Encryption Accelerator FIC 3CR13873 75 z Router 4 Port E1 I...

Page 11: ... and MIMs Before implementing any of the following operations wear an anti static wrist strap and ESD preventive glove and make sure that the power of the Router has been turned off and the power cord has been unplugged Otherwise the operator may get an electric shock or the Router may get damaged Caution z The electromagnetic interference EMI gaskets on the front panel of each MIM SIC can protect...

Page 12: ...all a SIC Step 1 Place the rear panel of the Router towards you Step 2 Turn off the power switch of the Router and unplug the power cord Step 3 Take out the SIC and align its remote edge with the edge of the slot on the Router s rear panel Step 4 Push the SIC into the Router until it closely mates with the rear panel of the Router Step 5 Fasten the SIC into the Router with captive screws Step 6 Po...

Page 13: ...ssis 1 5 2 Installing Removing MIM I Tools required z Flat blade screwdriver z ESD preventive wrist strap and ESD preventive glove II Installing MIM Follow these steps to install a MIM Step 1 Place the rear panel of the Router towards you Step 2 Turn off the power switch of the Router and unplug the power cord Step 3 Select a slot and insert the MIM along the guides in the slot until it contacts t...

Page 14: ...r panel of the Router Step 4 Loosen the captive screws at both sides of the MIM Step 5 Pull the MIM towards you until it is completely separated from the bottom of the router 1 6 Troubleshooting 3Com 5000 Routers LEDs indicate the state of the module as follows After the installation of a SIC MIM turn on the power and view the corresponding LEDs such as SLOT0 SLOT1 or SLOT2 on the cover of the Rou...

Page 15: ... in abnormal state check that z Proper interface cable is used z The LEDs on the panel of SIC MIM are displaying normally see the section introducing the SIC MIM for its LED status and description z The SIC MIM accepts the configuration and works well using the display command ...

Page 16: ... 1 1 Interface Attributes The interface attributes of Router 1 Port 10 100 SIC are given in the following table Table 2 1 Interface attributes of Router 1 Port 10 100 SIC Attribute Router 1 Port 10 100 SIC Connector type RJ 45 Interface type MDI Number of connectors 1 Cable type Straight through Ethernet cable Router 1 Port 10 100 SIC panel is shown in the following figure Figure 2 1 Router 1 Port...

Page 17: ...s of twisted pair cable crimped in the RJ 45 connectors at both ends are different It can be used to connect two terminal devices such as PCs and Routers You can such kind of cables by yourself if necessary 2 1 3 Connecting the Interface Cable If the SIC has been properly installed follow these steps to connect the interface cable Step 1 Connect the Ethernet port of SIC to a PC or router using a c...

Page 18: ...ocal loopback and remote loopback facilitating fault test and location I Synchronous and asynchronous In different operating modes a synchronous asynchronous serial interface supports different signal standards and baud rates and the maximum transmission distance of the signals is related to the baud rate setting For the relationships between cable type baud rate setting and signal transmission di...

Page 19: ...enerally the Router is used as a DTE device To make sure that the device is a DTE or DCE refer to the manual shipped with this device In addition the following table may also help you to identify the type of the device Table 2 4 Typical DTE and DCE equipment Equipment type Interface type Typical equipment DTE Male PC Router DCE Female Modem Multiplexer CSU DSU Asynchronous serial interface is gene...

Page 20: ...wing table Table 2 5 Interface attributes of ROUTER 1 PORT SERIAL SIC Description Attribute Synchronous Asynchronous Connector type DB50 Number of connectors 1 Cable type V 24 RS232 DTE cable V 24 RS232 DCE cable V 35 DTE cable V 35 DCE cable V 24 V 35 Interface standard and Operating mode DTE DCE DTE DCE RS232 Minimum baud rate bps 1200 1200 1200 300 Maximum baud rate bps 64K 4 096M 2 048M 115 2K...

Page 21: ...ng table Table 2 6 Description of the LEDs on ROUTER 1 PORT SERIAL SIC panel LINK OFF means no link is present ON means a link is present ACT OFF means no data is being transmitted or received blinking means data is being received or and transmitted 2 2 5 Interface Cable ROUTER 1 PORT SERIAL SIC interface cables are synchronous asynchronous serial interface cables that fit into four types z V 24 R...

Page 22: ...s a connector whose type varies by the network device or line type to be connected Caution The four types of cables listed above are optional which must be selected while purchasing the ROUTER 1 PORT SERIAL SIC Otherwise they will not be supplied z V 24 RS232 DTE cable Figure 2 5 V 24 RS232 DTE cable z V 24 RS232 DCE cable Figure 2 6 V 24 RS232 DCE cable z V 35 DTE cable ...

Page 23: ...lug synchronous asynchronous serial interface cables when the Router has power Otherwise it is likely to damage the equipment and ports If the SIC has been properly installed follow these steps to connect the synchronous asynchronous serial interface cable Step 1 Insert the DB50 connector of the cable into the DB50 port on the ROUTER 1 PORT SERIAL SIC Step 2 Connect the other end of the cable to z...

Page 24: ...check the line 2 3 ROUTER 2 PORT ISDN S T SIC and ROUTER 2 PORT ISDN U SIC 2 3 1 Introduction 1 2 port ISDN BRI S T interface cards ROUTER 2 PORT ISDN S T SIC serve to transmit receive and handle one and two channels of ISDN BRI S T data streams 1 2 port ISDN BRI U interface cards ROUTER 2 PORT ISDN U SIC server to transmit receive and handle one and two channels of ISDN BRI U data streams Both RO...

Page 25: ... ISDN U SIC Attribute Description Connector type RJ 45 ROUTER 2 PORT ISDN S T SIC RJ 45 ROUTER 2 PORT ISDN U SIC compatible with RJ11 Number of connectors 1 2 Cable type Telephone cable with ferrite core Protocol standard ITU T I 430 Q 921 Q 931 Recommendations Operating mode ISDN dial up mode ISDN leased line mode Supported service ISDN ISDN complementary services Multi user number Sub address Ba...

Page 26: ...ion is being conducted ACT OFF means deactivation Blinking means activating process ON means active status ON OFF means the power to the SIC is disconnected caused by the failure of power supply to the SIC and so on ON means the SIC is normally powered on Note For ISDN active describes the action or process that a terminal device synchronizes the network clock It belongs to the physical layer cate...

Page 27: ... the line use NT1 for conversion The connecting procedure is to insert one end of the telephone cable with ferrite core into the BRI S T interface of ROUTER 2 PORT ISDN S T SIC and the other end into the NT1 If the line uses the ISDN S T interface directly insert the cable with ferrite core into the BRI S T interface of the ROUTER 2 PORT ISDN S T SIC and the other end into the ISDN S T interface z...

Page 28: ...ult test and location It is possible to use the card for multiple purposes through different configurations Following are the differences between SIC EPRI and 1 port Fractional E1 interface card ROUTER 1 PORT FRACTIONAL E1 SIC z FE1 mode of ROUTER 1 PORT FRACTIONAL E1 SIC can support only one channel bundle the rate is n x 64kbps n 1 31 while the 31 channels can be grouped into multiple arbitrary ...

Page 29: ... DB15 to RJ 45 Coaxial connector network interface connector and 75 ohm to 120 ohm adapter Operating mode E1 cE1 ISDN PRI supported by SIC EPRI only FE1 supported by ROUTER 1 PORT FRACTIONAL E1 SIC only Supported service Backup Terminal access ISDN supported by SIC EPRI only 2 4 4 DIP Switch E1 cE1 PRI interface is compatible with both 75 ohm impedance and 120 ohm impedance The interface matches d...

Page 30: ...d settings of the internal DIP switch of SIC ERRI ROUTER 1 PORT FRACTIONAL E1 SIC DIP switch Description 75 ohm impedance 120 ohm impedance 1BIT ON OFF 2BIT ON OFF 3BIT ON OFF 4BIT ON OFF 5BIT Switch for 75 ohm 120 ohm options ON OFF 6BIT Switch for RxRing grounding mode options OFF RxRing grounding via capacitor ON RxRing directly grounding 7BIT Switch for RxShield grounding options ON RxShield g...

Page 31: ...ation of internal DIP switch is that all the 8 positions of the BIT switch are ON that is the E1 interface impedance is 75 ohm 2 4 5 Interface LEDs ROUTER 1 PORT FRACTIONAL E1 SIC panel is shown in the following figure Fractional E1 Figure 2 15 ROUTER 1 PORT FRACTIONAL E1 SIC panel The status description of the LEDs is given in the following table Table 2 11 Description of the LEDs on ROUTER 1 POR...

Page 32: ...gure 2 16 E1 G 703 75 ohm non balanced coaxial cable 75 ohm non balanced coaxial cable connects ROUTER 1 PORT FRACTIONAL E1 SIC with the DB15 connector and the network end with the BNC connector Note A pair of coaxial connectors are available for extending the E1 cable Both ends of the connectors are BNC receptacles that can be used to connect two 75 ohm non balanced coaxial cables with BNC connec...

Page 33: ... recommended to install a special lightning arrester on the input end of the cable in order to avoid lightning more effectively If the SIC has been properly installed follow these steps to connect the cable Step 1 Check the type of E1 cable and correctly set the DIP switch the ex factory setting of E1 cE1 PRI interface impedance is 75 ohm Step 2 Connect the DB15 connector of E1 cable to ROUTER 1 P...

Page 34: ...ble is a 120 ohm balanced twisted pair cable z Directly connect the RJ 45 connector of the cable to the RJ 45 port of the remote equipment if there is no need to extend the E1 cable or z Connect the RJ 45 connector of the cable to the network connector and the other end of the network connector to the network equipment through a 120 ohm E1 trunk cable if cable extension is needed Router Network de...

Page 35: ...s z ISDN PRI function z Remote loopback and local loopback facilitating the effective and flexible debugging It is possible to use the card for multiple purposes through different configurations Following are the differences between and 1 port Fractional T1 interface card ROUTER 1 PORT FRACTIONAL T1 SIC z FT1 mode of ROUTER 1 PORT FRACTIONAL T1 SIC can support only one channel bundle the rate is n...

Page 36: ...I FT1 supported by ROUTER 1 PORT FRACTIONAL T1 SIC only Supported service Backup Terminal access ISDN supported by SIC TPRI ony 2 5 4 Interface LEDs ROUTER 1 PORT FRACTIONAL T1 SIC panel is shown in the following figure Figure 2 21 ROUTER 1 PORT FRACTIONAL T1 SIC panel The status description of the LEDs is given in the following table Table 2 13 Description of the LEDs on ROUTER 1 PORT FRACTIONAL ...

Page 37: ...etwork cable that has RJ 45 connectors at both ends The following figure illustrates a ROUTER 1 PORT FRACTIONAL T1 SIC interface cable Figure 2 22 T1 cable Caution Relevant cables are included in the standard shipment package of ROUTER 1 PORT FRACTIONAL T1 SIC 2 5 6 Connecting Interface Cable Caution z You should connect a cable to the port with the correct mark Misplugging is prone to impair the ...

Page 38: ...1 SIC panel ON means the link is connected and OFF means the link is not connected In the latter case check the line 2 6 ROUTER 1 PORT ANALOG MODEM SIC 2 6 1 Introduction 1 2 port analog modem interface card ROUTER 1 PORT ANALOG MODEM SIC integrates the functions of asynchronous interface and external modem that is allowing 1 2 channel s of remote modem subscribers to directly access the Router Th...

Page 39: ...phone cable with ferrite core Maximum speed 56kbps Supported standard ITU T V 90 V 34 33 6 kbps V FC V 32 bis V 32 V 22 bis V 22A B V 23 V 21 Bell 212A a Bell 103 Supported service Modem dial up 2 6 4 Interface LEDs Figure 2 24 ROUTER 1 PORT ANALOG MODEM SIC panel Table 2 15 Description of the LEDs on ROUTER 1 PORT ANALOG MODEM SIC panel LED Description LINK OFF means the link is idle ON means the...

Page 40: ...ning arrester on the input end of the telephone line in order to avoid the lightning effects more efficiently If the SIC has been properly installed follow these steps to connect the cable Step 1 Insert the end with ferrite core into one LINE port of ROUTER 1 PORT ANALOG MODEM SIC Step 2 Plug the other end of the cable into the telephone wall jack Step 3 Power on the Router and check the LEDs of t...

Page 41: ...t provide ordinary analog telephone and fax access and also can connect AT0 loop trunks of exchanges z FXO SIC cards are loop trunk cards that provide access of common subscriber lines of exchanges Caution While using FXS SIC FXO SIC you must ensure that the 3Com Routers can be connected to IP networks or other WANs 2 7 2 Appearance z Router 1 Port FXS FXO SIC Figure 2 25 Router 1 Port FXS FXO SIC...

Page 42: ...ectors 1 Router 1 Port FXS FXO SIC 2 Router 2 Port FXS FXO SIC Interface standard Subscriber circuit interface Router 1 or 2 Port FXS SIC compliant with ITU Q 512 Loop trunk interface SIC 1FXO SIC 2FXO compliant with ITU Q 552 Over current and over voltage protection compliant with ITU K 20 Cable type Telephone cable with ferrite core Dialing mode Supports DTMF does not supports pulse dial up Band...

Page 43: ... SIC panels LED Description LINK OFF means the link is idle ON means the link is being occupied for call connection ACT OFF means the link is idle ON means the link is being occupied for communication 2 7 5 Interface Cable Connection cables for Router 1 Port FXS FXO SIC and Router 2 Port FXS FXO SIC are telephone cables with ferrite core Both ends of the cables are RJ11 connectors For cable pinout...

Page 44: ...re To ensure the compatibility of the Router users should connect the end with the ferrite core to the Router If the SIC is properly installed follow these steps to connect the cable Step 1 Connect the end with the ferrite core to a RJ11 port of FXS FXO SIC Step 2 Insert the other end to z a telephone or fax or the AT0 loop trunk if a Router 1 or 2 Port FXS SIC is installed z a subscriber line of ...

Page 45: ...0 analog trunk interface module Router 2 or 4 Port FXO MIM serves to access and handle 2 4 channels of common user lines of telephone exchange 2 4 port voice E M analog trunk interface module Router 2 or 4 Port E M MIM serves to access and handle 2 4 channels of E M analog trunks These modules make it possible to transfer voice signals over data communication networks Caution When connecting a voi...

Page 46: ...uter 4 Port FXS FXO E M 3 1 3 Interface Attributes The interface attributes of FXS FXO E M modules are given in the following table Table 3 1 Interface attributes of 2FXS 2FXO 2E M and 4FXS 4FXO 4E M and 8FXS Attribute Description Connector RJ 45 Number of connectors 2 Router 2 Port FXS FXO E M MIM module 4 Router 4 Port FXS FXO E M MIM module Cable Telephone cable with ferrite core E M trunk for ...

Page 47: ...rface Router 2 or 4 Port E M E M interface supporting Bell type I II III V and support 2 wire and 4 wire ITU K 20 compliant overcurrent and overvoltage protection Dial up mode DTMF Dual Tone Multi Frequency but not pulse dial up Bandwidth 300 to 3400 Hz 3 1 4 Interface LEDs Voice MIM panels are shown in the following figures ACT LINK Figure 3 3 Router 2 Port FXS panel ACT LINK Figure 3 4 2 Router ...

Page 48: ...outer 2 Port FXS FXO and Router 4 Port FXS FXO are telephone cables with ferrite core and both ends of which are RJ11 connectors Cables for Router 2 and 4 Port E M need to be selected according to the type of telephone exchange to be connected Note z To ensure the consistency of the receptacles on MIMs RJ 45 receptacles are used as external interfaces for FXS FXO E M modules Because they are compa...

Page 49: ...actice The sequence of E M RJ 45 pins is shown in the following figure numbered 1 to 8 from left to right Figure 3 9 Sequence of RJ 45 pins When connection is made in Bell V 4 wire mode the pinouts of RJ 45 receptacles at router side and at the switch side are shown in the following figure 48 V PBX Router detect M E 7 on hook off hook on hook 48 V on hook detect M E 2 off hook 4 wire 6 T0 R0 T1 T1...

Page 50: ... 2 Port FXS FXO and Router 4 Port FXS FXO modules are magnetic loop lines with a ferrite core at one end To ensure EMC of the Router connect the end with ferrite core to the Router z Because it is hard to determine the type of the switch to be connected and its connectors interface cables of Router 2 and 4 Port E M E M modules have to be prepared according to the on spot conditions or by the user ...

Page 51: ...Step 1 Plug one end of the cable into the RJ 45 port on Router 2 Port FXS FXO E M Step 2 Connect the other end of the cable to z Telephone set fax or AT0 loop trunk of telephone exchange if you have installed an FXS module z Subscriber line of telephone exchange if you have installed an FXO module z E M trunk of telephone exchange if you have installed an E M module Step 3 Power on the Router and ...

Page 52: ...ributes of Router E1 Voice Module Attribute Description Connector DB15 Number of connectors 1 Operating mode 1 E1 2 CE1 3 ISDN PRI Interface rate 2 048Mbps Cable E1 120 ohm balanced twisted pair cable 75ohm to 120ohm adapter Network interface connector Services supported 1 R2 signaling 2 DSS1 signaling 3 IP Fax 4 General VoIP features in 3Com Router Software 3 2 4 Interface LEDs Router E1 Voice Mo...

Page 53: ...ed Blinking means there is data being transmitted or received 3 2 5 Interface Cable Router E1 Voice Module interface cables are G 703 compliant 120 ohm balanced twisted pair cables At one end of the cable is a DB 15 male connector for the connection to the Router and at the other end is an RJ 45 connector for the connection to the network Figure 3 13 120 ohm balanced twisted pair cable If the cabl...

Page 54: ...e Cable Caution z Some measures are taken to protect Router E1 Voice Module Still you are recommended to install a special lightning arrester at the input end of its connection cable to obtain better lightning protection when the cable is led outdoors z Read the mark identifying a port before you connect a cable to it making sure it is the correct port Wrong connection tends to damage the MIM and ...

Page 55: ... 3 Power on the Router and check the LEDs of the corresponding slot on the front panel ON means Router E1 Voice Module is operating normally and OFF means the POST of Router E1 Voice Module has failed In the latter case please contact your agent Step 4 Check the status of the LINK LED on the Router E1 Voice Module panel It is OFF when fault has occurred to the link In this case please check the li...

Page 56: ...ace attributes of Router T1 Voice Module Attribute Description Connector DB15 Number of connectors 1 Cable Router T1 Voice Module cable 100 ohm balanced shielded twisted pair cable Network interface connector Operating mode CT1 ISDN PRI Interface rate 1 544Mbps Supported services 1 DSS1 signaling 2 IP fax 3 General VoIP features in 3Com Router Software 3 3 4 Interface LEDs Router T1 Voice Module p...

Page 57: ...s no data is being transmitted or received blinking means data is being received or and transmitted 3 3 5 Interface Cable Router T1 Voice Module interface cables are 100 ohm balanced shielded twisted pairs At one end of each cable is a DB 15 male connector for the connection to a Router T1 Voice Module module and at the other end is an RJ 45 connector for the connection to the voice device as show...

Page 58: ...e end of a Router T1 Voice Module cable into the DB15 port on the Router T1 Voice Module Step 2 Connect the other end of the Router T1 Voice Module cable to z The peer device if the cable is long enough z A network interface connector and then the peer device using another Router T1 Voice Module cable if it is not long enough as shown in the following figure Router Voice device DB15 Network interf...

Page 59: ...ng and implements the VPN with encryption features and then the NDEC will complete the task of encryption 3 4 2 Appearance The appearance of NDEC module is shown in the following figure Figure 3 20 NDEC 3 4 3 Interface Attributes The interface attributes of NDEC are given in the following table Table 3 8 Interface attributes of NDEC Attribute Description Protocol supported IPSec The maximum number...

Page 60: ...rmal blinking 1 second ON and 1 second OFF The module is operating normally Steady ON The software initialization has failed and the service cannot be run normally ACT Fast blinking The module is in the loading status Steady ON Module loading has failed Fast blinking unsteadily The module is operating normally and the data is being transmitted or received between the module and the host OFF The mo...

Page 61: ... ACT SPEED and DENY are ON it is likely the problem of the NDEC or the Router RUN LED keeps ON after several times of blinking if module initialization fails 4 Symptom 4 RUN LED is fast blinking all the time when the device is being started up Troubleshooting After the Router is powered ON RUN LED fast blinks all the time until module initialization is completed During the process if DENY LED blin...

Page 62: ...f transmission segment over the category 5 twisted pair cable z Operation at 100 Mbps and 10 Mbps autosensing z Full duplex and half duplex with the former in common use 3 5 2 Interface Attributes The following table describes the interface attributes of the FIC FE cards Table 3 10 ROUTER 2 PORT 10 100 MIM interface attributes Description Attribute ROUTER 2 PORT 10 100 MIM Connector RJ 45 Number o...

Page 63: ... cards are category 5 twisted pairs with RJ 45 connectors Pins 1 and 2 of the interface are used for transmitting data and pins 3 and 6 are used for receiving data Figure 3 23 Ethernet cable II Making Ethernet cables You can use category 5 twisted pair cables to make Ethernet cables A category 5 twisted pair cable is composed of eight wires that are identified and grouped by colors of the outer in...

Page 64: ... and check the behavior of the LINK LED on the panel ON means that a link is present and OFF means that no link is present In the latter case check the line status Caution Before you connect a port read its label carefully a wrong connection can cause damages to the interface card and even the device 3 6 Router 4 Port Serial MIM Module 3 6 1 Introduction 4 port high speed sync async serial interfa...

Page 65: ...TE and DCE Synchronous serial interfaces support both DTE and DCE operating modes Given two directly connected devices if one operates in the DTE mode the other will operate in the DCE mode The DCE device provides the synchronous clock and specifies the communicating rate The DTE device receives the synchronous clock and communicates at the specified rate Generally the Router is used as a DTE devi...

Page 66: ... Router 4 Port Serial MIM are given in the following table Table 3 14 Interface attributes of Router 4 Port Serial MIM Description Attribute Synchronous Asynchronous Connector DB100 Router 4 Port Serial MIM Number of connectors 1 Router 4 Port Serial MIM V 24 V 35 Interface standard and operating mode DTE DCE DTE DCE RS232 Minimum baud rate bps 1200 1200 1200 300 Maximum baud rate bps 64 k 4 096 M...

Page 67: ... means data is being received or and transmitted 3 6 4 Interface Cable I Router 4 Port Serial MIM interface cable Router 4 Port Serial MIM provides a 1 to 4 conversion cable Router 4 Port Serial MIM conversion cable One end of the cable is DB100 connector for connecting Router 4 Port Serial MIM and the other end is DB50 female connector for connecting a sync async serial interface cable Like four ...

Page 68: ...Range Series Routers Cable Manual Caution Router 4 Port Serial MIM conversion cable is the required by Router 4 Port Serial MIM module while the four sync async serial interface cables are optional You need to order them otherwise they will not be provided 3 6 5 Connecting the Interface Cable Warning In case of possible device and port damages do not plugging or unplug connection cables of SA modu...

Page 69: ...wer on the Router and check the LEDs of the corresponding slot on the front panel ON means that the MIM is operating normally and OFF means that the POST of the MIM has failed In the latter case please contact your agent Step 4 Check the behavior of the LINK LED on the Router 4 Port Serial MIM panel It is OFF when the line is faulty and signal is out of synchronization Caution You should connect a...

Page 70: ...ions and baud rates In addition the maximum signal transmission segment depends not only on the specified baud rate but also on the selected cable The following table shows how the cable type baud rate and the maximum signal transmission segment related to each other Table 3 16 Speed and transmission segment of the V 24 RS232 V 35 cable V 24 RS232 V 35 Baud rate bps Max transmission segment Baud r...

Page 71: ...dard and operating mode DTE DCE DTE DCE RS232 Min baud rate bps 1200 1200 300 Max baud rate bps 64 k 4 096 M 2 048 M 115 2 Cable V 24 RS232 DTE cable V 24 RS232 DCE cable V 35 DTE cable V 35 DCE cable X 21 DTE cable X 21 DCE cable RS449 DTE cable RS449 DCE cable RS530 DTE cable RS530 DCE cable Supported service 1 DDN leased line 2 Terminal access service 1 Dialup through modem 2 Backup 3 Asynchron...

Page 72: ... cables with DB 28 connectors Before connecting a card identify the line properties and then select the proper interface cable from the following ten cable options z V 24 RS232 DTE cable DB 25 plug at the network end z V 24 RS232 DCE cable DB 25 receptacle at the network end z V 35 DTE cable 34PIN plug at the network end z V 35 DCE cable 34PIN receptacle at the network end z X 21 DTE cable DB 15 p...

Page 73: ...ector to connect the router but the connector at the network end varies with the type of the to be connected network z V 24 DTE cable Figure 3 28 V24 DTE cable z V 24 DCE cable Figure 3 29 V 24 DCE cable z V 35 DTE cable Figure 3 30 V 35 DTE cable z V 35 DCE cable Figure 3 31 V 35 DCE cable z X 21 DTE cable ...

Page 74: ...hapter 3 Multifunctional Interface Modules 3 30 Figure 3 32 X 21 DTE cable z X 21 DCE cable Figure 3 33 X 21 DCE cable z RS449 DTE cable Figure 3 34 RS449 DTE cable z RS449 DCE cable Figure 3 35 RS449 DCE cable z RS530 DTE cable ...

Page 75: ...ace Cable Caution Do not plug or unplug interface cables into or from the MIM card to prevent the device or ports from being impaired Before connecting an MIM card identify the type of the equipment to be connected that is the synchronous asynchronous mode DTE DCE mode and so on signaling criterion required by the access equipment baud rate and line clock Step 1 Identify type of the interface to b...

Page 76: ...4 port channelized E1 PRI interface module transmits receives and processes E1 data traffic In addition you can use the card for other purposes such as CE1 access and the ISDN PRI function II The module is different from the 2 and 4 Port CE1 PRI module in the sense that z The FE1 operating mode supported by the E1 F cards allows only one n x 64 kbps bundle to be formed on each interface where n 1 ...

Page 77: ...orted by Router 2 and 4 Port CE1 PRI MIM FE1 only supported by Services supported 1 Backup 2 Terminal access service 3 ISDN PRI only supported by Router 2 and 4 Port CE1 PRI MIM 3 8 3 Interface LEDs The following figure illustrates a 2 port panel Figure 3 38 2 port panel The following figure illustrates a 4 port module Figure 3 39 4 port panel Description about the LEDs on E1 E1 F panels is given ...

Page 78: ...ables and 120 ohm balanced twisted pair cables z 75 ohm unbalanced coaxial cable Figure 3 40 E1 75 ohm unbalanced coaxial cable Note You can select a pair of coaxial connectors with a BNC receptacle at both ends that connect two 75 ohm unbalanced coaxial cables with BNC connectors The coaxial connectors are used for the extension connection with E1 75 ohm unbalanced coaxial cable z 120 ohm balance...

Page 79: ... provided II Conversion cable for 4 port module 4 port modules provide two types of 1 to 4 conversion cables 120 ohm 4 port module conversion cable and 75 ohm 4 port module conversion cable At one end of these two types of cables is a DB 25 connector used to connect a router and at the other end are four DB 15 connectors used to connect E1 cables You can distinguish these two types of cables by th...

Page 80: ...ersion cable Figure 3 43 75 ohm 4 port module conversion cable Caution Both 75 ohm 4 port module 1 and 120 ohm 4 port module conversion cables are required for 4 port module modules while E1 cable is optional so you need to order E1 cables when purchasing a 4 port module module Otherwise they will not be provided ...

Page 81: ... 2 port 4 port DIP switch S1 S1 S3 S4 S5 E1 interface Interface 0 Interface 0 Interface 1 Interface 2 Interface 3 By default all the DIP switches for Router 2 and 4 Port CE1 PRI MIM and modules are set to ON as illustrated in the following figure on 1 2 3 4 5 6 7 8 Figure 3 44 Default setting of DIP switches for Router 2 and 4 Port CE1 PRI MIM and modules Description of DIP switch settings is give...

Page 82: ...on switch OFF RxShield is grounded via capacitance ON RxShield is grounded directly Caution It is recommended to select the DIP switch of Router 2 and 4 Port CE1 PRI MIM and modules in this way when connecting 75 ohm cable flip BIT1 8 to ON and when connecting 120 ohm cable flip BIT1 8 to OFF Positions of DIP switches can only be changed by the trained personnel By default all of the DIP switches ...

Page 83: ...f cable and set the DIP switches module correctly Step 2 Plug the DB 15 connector of the cable into the port on the module Step 3 Connect the other end of the cable to the network device 1 When using 75 ohm unbalanced coaxial cable z Connect its BNC connector to the device to be connected directly if cable extension is not needed z Connect its BNC connector to a coaxial connector and the other end...

Page 84: ... the POST of the MIM has failed In the latter case please contact your agent Step 5 Check the behavior of the LINK LED on the module panel It is OFF when fault has occurred on the link and signal is out of synchronization In this case please check the link II Connecting interface cable of 4 port Step 1 Select the appropriate cable and cable according to type of the port on the remote device and se...

Page 85: ...er 4 Port ISDN S T MIM Module 3 9 1 Introduction 4 port ISDN BRI interface module Router 4 Port ISDN S T MIM serves to transmit receive and handle four channels of data streams on the ISDN BRI S T interface Router 4 Port ISDN S T MIM can work in dialup mode and leased line service mode 3 9 2 Interface Attributes The interface attributes of Router 4 Port ISDN S T MIM are given in the following figu...

Page 86: ... port on 1 2 3 4 5 6 7 8 Figure 3 47 Default setting of DIP switch for Router 4 Port ISDN S T MIM module Table 3 24 Configuration of DIP switches for Router 4 Port ISDN S T MIM module DIP switch Description Default setting Port ON Uses 100 ohm resistance 1 2BIT OFF Not uses 100 ohm resistance ON 0 ON Uses 100 ohm resistance 3 4BIT OFF Not uses 100 ohm matched resistance ON 1 ON Uses 100 ohm resist...

Page 87: ...ion is going on Green lamp on the right OFF means channel B2 is idle ON means channel B2 is occupied and data communication is going on 3 9 5 Interface Cable Interface cables of Router 4 Port ISDN S T MIM are standard ISDN S T interface cables Pins 3 and 6 are for transmitting data and pins 4 and 5 are for receiving data At both ends of the cables are RJ 45 connectors GreenYellow Red Black Yellow ...

Page 88: ...T MIM has failed In the latter case please contact your agent 3 10 Router 2 Port CT1 PRI MIM 3 10 1 Introduction I Router 2 Port CT1 PRI MIMmodule 1 2 4 port channelized T1 PRI interface module serves to transmit receive and handle T1 data streams provide CT1 access and fulfill the function of ISDN PRI Thereby one card can be used for multiple purposes II 1 2 4 port fractional T1 interface module ...

Page 89: ...p 2 Terminal access service 3 ISDN PRI Router 2 Port CT1 PRI MIMmodule 3 10 3 Interface LEDs The panel is similar to that of the MIM and they differ only in silk screen Figure 3 50 2T1 2T1 F panel Table 3 27 Description of the LEDs LED Description LINK ACT ON means the carrier signal has been received OFF means no carrier signal has been received Blinking means data is being transmitted or and rec...

Page 90: ...onnect two network cables Caution Both T1 cable and network interface connector are optional accessories You should order them together with the module Otherwise they will not be provided 3 10 5 Connecting the Interface Cable Caution Read the mark identifying a port before you connect a cable to it making sure it is the correct port Wrong connection tends to damage interface modules and even the R...

Page 91: ...y and signal is Off 3 11 ROUTER 1 PORT ADSL OVER POTS MIM 3 11 1 Introduction ROUTER 1 PORT ADSL OVER POTS MIM the 1 2 port ADSL over PSTN interface card allows a LAN subscriber to connect to the digital subscriber s loop access multiplexer DSLAM at the central office over a regular analog subscriber line or telephone line Thus the subscriber can access the ATM IP backbone or the Internet to enjoy...

Page 92: ... Interface standard ITU T 992 1 G DMT ITU T 992 2 G Lite ANSI T1 413 Issue 2 Interface rate In ADSL full rate mode ITU T 992 1 G DMT ANSI T1 413 8160 kbps downlink rate 896 kbps uplink rate Cable and the Max transmission segment In full rate mode 1 8 km 1 1 mi over the telephone cable depending on the line quality Supported service ADSL over the regular telephone line 3 11 3 Panel and Interface LE...

Page 93: ... package of the ROUTER 1 PORT ADSL OVER POTS MIM includes the regular telephone cable s You can separately order an external splitter as needed 3 11 5 Connecting the Interface Cable In G Lite mode no splitter is needed You can directly connect the router to the PSTN using a telephone cable and simply connect the phone set in parallel with the router at the cable distribution box Full rate mode req...

Page 94: ...IP backbone or the Internet to enjoy services such as high speed data communication and video on demand VoD ADSL transmits data in the high frequency band above 26 kHz Therefore it can provide services without interfering with the voice service being provided in the low frequency band 0 to 4 kHz on the same line It provides downlink rates in the range 32 kbps to 8 Mbps and uplink rates in the rang...

Page 95: ... line 3 12 3 Panel and Interface LED The following figure illustrates the ROUTER 2 PORT ADSL OVER POTS MIM panel Figure 3 55 ROUTER 2 PORT ADSL OVER POTS MIM panel The following table describes the LEDs on the card panels Table 3 31 LEDs on the ROUTER 2 PORT ADSL OVER POTS MIM panel LED Description LINK OFF means the loop is inactive ON means the loop has been activated and has entered the data mo...

Page 96: ...n the splitter Step 2 Connect the telephone to the phone port on the splitter with another telephone cable Step 3 Connect the external ADSL port on the splitter to the PSTN with a third telephone cable Modem interface Phone port Line port ADSL card RJ11 interface PSTN Modem interface Phone port Line port ADSL card RJ11 interface Router DSLAM Splitter Modem interface Phone port Line port ADSL card ...

Page 97: ...Encryption Accelerator MIM is shown as below Figure 3 57 ROUTER NDEC2 ENCRYPTION ACCELERATOR MIM 3 13 3 Interface Attributes Table 3 32 Router NDEC2 Encryption Accelerator MIM features Feature Description Protocol supported IPsec The maximum number of concurrent IPSec connections 100 Hardware algorithm 1 key algorithm DES 3DES AES 2 Authentication algorithm HMAC MD5 96 HMAC SHA 1 96 3 13 4 Interfa...

Page 98: ...power supply of the module or abnormal operation of CPLD Complex Programmable Logic Device In these circumstances contact our agents for support 2 Symptom 2 The ACTIVE LED stays off when powering on the router Troubleshooting When powering up the device the ACTIVE LED should flashing for two seconds before turning off which indicates the encryption processor of the Router NDEC2 Encryption Accelera...

Page 99: ...inks and the remote end multiplexes these low speed E1 links to one single cell flow This technology is cost effective and flexible for application and mainly used in network applications that transmit ATM cell through plesiochronous digital hierarchy PDH network 3 14 2 Appearance of the Interface Card The following figure shows the appearance of the ROUTER 4 PORT E1 IMA MIM interface card Figure ...

Page 100: ...teristic impedance 75 ohm 120 ohm Max transmission distance 500 m 1640 4 in 150 m 492 1 in Operating mode ATM E1 standalone link IMA binding mode Service AAL5 Protocol PPPoA PPPoEoA IPoA IPoEoA Transmission rate CBR VBR rt VBR nrt UBR 3 14 4 Panels and Interface LEDs The following figures show the panels of the ROUTER 4 PORT E1 IMA MIM interface cards Figure 3 60 Front panel of the 75 ohm ROUTER 4...

Page 101: ...able can be connected with four twisted pairs 3 14 6 Connection of the Interface Cable Perform the following procedure to connect the RT ROUTER 4 PORT E1 IMA MIM interface cable 1 Choose an appropriate type of IMA 8E1 ROUTER 4 PORT E1 IMA MIM cable depending on the interface type of the peer device z If the interface impedance of the peer device is 75 ohm use a 75 ohm ROUTER 4 PORT E1 IMA MIM conv...

Page 102: ...terface card provides four T1 interfaces that support the IMA technology The network application of the two cards is similar to the IMA 8E1 IMA 4E1 interface card 3 15 2 Appearance of the Interface Card The following figure shows the appearance of the ROUTER 4 PORT T1 IMA MIM interface card Figure 3 62 Appearance of the ROUTER 4 PORT T1 IMA MIM interface card 3 15 3 Interface Attributes The follow...

Page 103: ... of the ROUTER 4 PORT T1 IMA MIM interface cards Figure 3 63 Front panel of the IMA 4T1 interface card The LEDs on the front panel of the ROUTER 4 PORT T1 IMA MIM panel as described in the following table Table 3 37 Meaning of the LEDs LED Meaning LINK OFF the link is disconnected ON the link is connected ACT Blink data is being transmitted received Off no data is being transmitted received 3 15 5...

Page 104: ...equal to 128 when working in CE3 mode Note E3 represents the tertiary group rate of E system in the TDM system that is 34 368Mbps An E3 channel can be channelized into 16 E1 lines through the demultiplexing processes of E23 and E12 each E1 line supporting both the operating modes of E1 and CE1 E23 is used to indicate either E2 to E3 multiplex or E3 to E2 demultiplex and E12 to indicate E1 to E2 mu...

Page 105: ... data is being transmitted or received blinking means data is being received or and transmitted 3 16 4 Interface Cable The external interface provided by a Router 1 Port CE3 MIM module is two SMB sockets respectively for Tx Transmitter end and Rx Receiver end The interface adopts 75ohm unbalanced transmission mode and uses a pair of 75ohm unbalanced coaxial cables to connect the peer device BNC co...

Page 106: ...atter case please contact your agent Step 4 Check the behavior of the LINK LED on the Router 1 Port CE3 MIM panel It is OFF when the line is faulty and signal is out of synchronization In this case check the link 3 17 Router 1 Port CT3 MIM Module 3 17 1 Introduction 1 port channelized T3 interface module Router 1 Port CT3 MIM serves to z Transmit Receive and handle one channel of T3 fast traffic a...

Page 107: ...terface rate 44 736 Mbps Interface cable type T3 cable 75 ohm coaxial cable Operating mode T3 CT3 Services supported T3 leased line 3 17 3 Interface LEDs Router 1 Port CT3 MIM panel is shown in the following figure Figure 3 66 Router 1 Port CT3 MIM panel Description of the LEDs on Router 1 Port CT3 MIM panel is shown in the following table Table 3 41 Description of the LEDs on Router 1 Port CT3 MI...

Page 108: ...IM the 1 port 10Base T 100Base TX 1000Base T Ethernet electrical interface card is used for router to LAN communication The cards support z 100 meters 328 1 ft of transmission segment over the category 5 twisted pair cable z Operation at 1000Mbps 100Mbps and 10Mbps auto sensing z Half duplex full duplex autonegotiation 3 18 2 Interface Attributes The following table describes the interface attribu...

Page 109: ...k is present ACT OFF means no data is being transmitted or received Blinking means data is being transmitted and or received 3 18 3 Interface Cable ROUTER 1 PORT 10 100 1000 MIM uses both crossover and straight through cables for connection Figure 3 68 Ethernet cable 3 18 4 Connecting the Interface Cable Step 1 Connect one end of the cable to the Ethernet interface on the router and the other end ...

Page 110: ...3Com Router Module Guide Chapter 3 Multifunctional Interface Modules 3 66 ...

Page 111: ...terface Attributes 4 11 4 2 3 Panel and Interface LEDs 4 11 4 2 4 Interface Cable 4 12 4 2 5 Connecting the Interface Cable 4 12 4 3 ROUTER 4 PORT 8 PORT ENHANCED SERIAL FIC 4 13 4 3 1 Introduction 4 13 4 3 2 Interface Attributes 4 14 4 3 3 Panel and Interface LEDs 4 15 4 3 4 Interface Cable 4 16 4 3 5 Connecting the Interface Cable 4 19 4 4 ROUTER 4 PORT CE1 PRI FIC 4 20 4 4 1 Introduction 4 20 4...

Page 112: ...Introduction 4 35 4 9 2 Interface Attributes 4 36 4 9 3 Panel and Interface LEDs 4 36 4 9 4 Interface Cable 4 37 4 9 5 Connecting the Interface Cable 4 37 4 10 ROUTER 1 PORT OC 3 ATM MM FIC ROUTER 1 PORT OC 3 ATM SM FIC ROUTER 1 PORT OC 3 ATM SML FIC 4 38 4 10 1 Introduction 4 38 4 10 2 Interface Attributes 4 38 4 10 3 Panel and Interface LEDs 4 39 4 10 4 Interface Optical Fiber 4 40 4 11 ROUTER 1...

Page 113: ...ction 4 51 4 15 2 Interface Attributes 4 51 4 15 3 Panel and Interface LEDs 4 52 4 15 4 Interface Cable 4 53 4 15 5 Connecting the Interface Cable 4 53 4 16 ROUTER 1 PORT E1 VOICE FIC 4 54 4 16 1 Introduction 4 54 4 16 2 Interface Attributes 4 54 4 16 3 Panel and Interface LEDs 4 54 4 16 4 Interface Cable 4 55 4 16 5 Connecting the Interface Cable 4 56 4 17 ROUTER 1 PORT T1 VOICE FIC 4 57 4 17 1 I...

Page 114: ...cable z Operation at 100 Mbps and 10 Mbps autosensing z Full duplex and half duplex with the former in common use 4 1 3 Interface Attributes The following table describes the interface attributes of the FIC FE cards Table 4 1 FIC 2FE interface attributes Description Attribute Router 2 Port 10 100 Connector RJ 45 Number of connectors 1 2 Cable Straight through Ethernet cable Operating mode Full dup...

Page 115: ...ry 5 twisted pairs with RJ 45 connectors Pins 1 and 2 of the interface are used for transmitting data and pins 3 and 6 are used for receiving data Figure 4 2 Ethernet cable II Making Ethernet cables You can use category 5 twisted pair cables to make Ethernet cables A category 5 twisted pair cable is composed of eight wires that are identified and grouped by colors of the outer insulator Usually a ...

Page 116: ...ht through cable for a HUB or LAN switch use a crossover cable Step 2 Power on the router and check the on the FIC FE panel ON means that a link is present and OFF means that no link is present In the latter case check the line status Caution Before you connect a port read its label carefully a wrong connection can cause damages to the interface card and even the device 4 1 7 Router 1 Port 100FX M...

Page 117: ...ize there are two types of multi mode optical fibers 62 5 µm and 50 µm the transmission media accepted by the ISO IEC 11801 standard 4 1 9 Interface Attributes The following table describes the interface attributes of the Router 1 Port 100FX MM FIC 100FX SM FIC Table 4 3 Router 1 Port 100FX MM FIC 100FX SM FIC interface attributes Description Attribute 100FX SM 100FX MM Connector SC Number of conn...

Page 118: ...t and ON means an Rx link is present ACTIVE OFF means no data is being transmitted or received on the interface and blinking means data is being transmitted and or received 4 1 11 Interface Optical Fiber The 100FX MM should be connected to multi mode optical fiber and the 100FX SM to single mode optical fiber Because the optical interfaces on both cards are SC type optical receptacles you must use...

Page 119: ... of optical fibers are optional You need to select fibers when purchasing an Router 1 Port 100FX MM FIC 100FX SM FIC otherwise they are not provided 4 1 12 Connecting the Interface Optical Fiber Caution When connecting an optical fiber note that Do not over bend the optical fiber Its curvature radius must be no less than 10 cm 3 9 in Ensure that the Tx and Rx ends are connected correctly Ensure th...

Page 120: ...on segment over the category 5 twisted pair cable z Operation at 1000Mbps 100Mbps and 10Mbps auto sensing z Half duplex full duplex autonegotiation 4 2 2 Interface Attributes The following table describes the interface attributes of the ROUTER 1 PORT 10 100 1000 FIC Table 4 5 Interface attributes of the ROUTER 1 PORT 10 100 1000 FIC Attribute 1 PORT 10 100 1000 FIC Connector RJ 45 Number of connec...

Page 121: ...d or received Blinking means data is being transmitted and or received 4 2 4 Interface Cable ROUTER 1 PORT 10 100 1000 FIC uses both crossover and straight through cables for connection Figure 4 7 Ethernet cable 4 2 5 Connecting the Interface Cable Step 1 Connect one end of the cable to the Ethernet interface on the router and the other end to another device Step 2 Power on the router and check th...

Page 122: ...ified rate The router normally works as a DTE To identify whether the equipment connected to the router is DTE or DCE refer to the manual shipped with the equipment II Speed and transmission segment of synchronous asynchronous serial interface In different operating modes the synchronous asynchronous serial interface supports different electric signal specifications and baud rates In addition the ...

Page 123: ...nterface Attributes The following table describes the interface attributes of the ROUTER 4 PORT ENHANCED SERIAL Table 4 8 Interface attributes of the ROUTER 4 PORT 8 PORT ENHANCED SERIAL Description Attribute Synchronous Asynchronous Connector DB 28 Number of connectors 4 8 V 24 V 35 RS449 X 21 RS530 Interface standard and operating mode DTE DCE DTE DCE RS232 Min baud rate bps 1200 1200 300 Max ba...

Page 124: ...ne 2 Terminal access service 1 Dialup through modem 2 Backup 3 Asynchronous leased line 4 Terminal access service 4 3 3 Panel and Interface LEDs The following figures show the ROUTER 4 8 PORT ENHANCED SERIAL FIC panels Figure 4 8 Router 4 Port Enhanced Serial FIC panel The following table describes the LEDs on the Router 4 Port Enhanced Serial FIC panel Table 4 9 LEDs on the Router 4 Port Enhanced...

Page 125: ...e line properties and then select the proper interface cable from the following ten cable options z V 24 RS232 DTE cable DB 25 plug at the network end z V 24 RS232 DCE cable DB 25 receptacle at the network end z V 35 DTE cable 34PIN plug at the network end z V 35 DCE cable 34PIN receptacle at the network end z X 21 DTE cable DB 15 plug at the network end z X 21 DCE cable DB 15 receptacle at the ne...

Page 126: ...ule Guide Chapter 4 4 17 z V 24 DCE cable Figure 4 11 V 24 DCE cable z V 35 DTE cable Figure 4 12 V 35 DTE cable z V 35 DCE cable Figure 4 13 V 35 DCE cable z X 21 DTE cable Figure 4 14 X 21 DTE cable z X 21 DCE cable ...

Page 127: ...r Module Guide Chapter 4 4 18 Figure 4 15 X 21 DCE cable z RS449 DTE cable Figure 4 16 RS449 DTE cable z RS449 DCE cable Figure 4 17 RS449 DCE cable z RS530 DTE cable Figure 4 18 RS530 DTE cable z RS530 DCE cable ...

Page 128: ...te and line clock Step 1 Identify type of the interface to be connected and then choose the correct synchronous asynchronous serial interface cable Step 2 Plug the DB 28 connector of the cable to the corresponding DB 28 port on the FIC SAE card Step 3 Connect the other end of the cable as follows z If the WAN is a DDN line connect the cable to the port on the CSU DSU z If the WAN is a dialup line ...

Page 129: ...e describes the interface attributes of the FIC E1 and FIC E1 F cards Table 4 10 Interface attributes of the FIC E1 and FIC E1 F cards Description Attribute ROUTER 4 PORT CE1 PRI FIC Connector DB 25 Number of connectors 1 Interface standard G 703 G 704 Interface rate 2 048 Mbps Cable type E1 75 ohm unbalanced coaxial cable E1 120 ohm balanced twisted pair cable 120 ohm 4E1 adapter cable ROUTER 4 P...

Page 130: ...a is being transmitted or received on the interface blinking means data is being transmitted and or received 4 4 4 Interface Cable I Interface cable of the ROUTER 4 PORT CE1 PRI FIC Interface cables for the ROUTER 4 PORT CE1 PRI FIC are G 703 compliant cables also known as E1 cables The cables are divided into two categories 75 ohm unbalanced coaxial and 120 ohm balanced twisted pair z 75 ohm unba...

Page 131: ...k connector with an RJ 45 receptacle at each end to connect the cable to another 120 ohm balanced twisted pair cable In addition you are available with 75 ohm to 120 ohm adapters Note E1 cable coaxial connector network connector and 75 ohm to 120 ohm adapter are all optional accessories They are provided only when ordered II Interface cable of the ROUTER 4 PORT CE1 PRI FIC ROUTER 4 PORT CE1 PRI FI...

Page 132: ...r except that the 75 ohm 4E1 adapter cable uses eight coaxial cables but the 120 ohm 4E1 adapter cable uses four twisted pair cables Figure 4 23 120 ohm 4E1 adapter cable Figure 4 24 75 ohm 4E1 adapter cable Note Both 75 ohm 4E1 and 120 ohm 4E1 adapter cables are required for ROUTER 4 PORT CE1 PRI FIC ...

Page 133: ...the device If outdoor cabling is involved consider to install a special lightning arrester at the input end of the interface cable for better lightning protection I Connecting the interface cable of the ROUTER 4 PORT CE1 PRI FIC Step 1 Identify type of the E1 cable and set the DIP switch for the to be connected E1 FE1 port correctly Step 2 Plug the DB 15 connector of the E1 cable into the E1 FE1 p...

Page 134: ...twisted pair cable do the following z If no cable extension is needed directly connect the RJ 45 connector of the cable to the RJ 45 port on the device z If cable extension is needed connect the RJ 45 connector of the cable to a network interface connector and the other end of the network interface connector to the device using a 120 ohm E1 trunk cable Router Network devices such as DDN DB 15 Netw...

Page 135: ...n E1 cable Step 4 Connect the E1 cable to another device by reference to the previous subsection Step 5 Power on the router and check the behavior of the LINK LED on the card panel OFF means fault occurs on the line and the signal is not synchronized Check the line status 4 5 ROUTER 4 PORT CT1 PRI FIC and ROUTER 4 PORT FRACTIONAL T1 FIC 4 5 1 Introduction I ROUTER 4 PORT CT1 PRI FIC ROUTER 4 PORT ...

Page 136: ...ds FT1 only supported by the cards Supported service Backup Leased line ISDN PRI only supported by the cards 4 5 3 Panel and Interface LEDs The following figure illustrates the panel Figure 4 27 ROUTER 4 PORT FRACTIONAL T1 FIC panel The following table describes the LEDs on the card panels Table 4 14 LEDs on the panels LED Description LINK OFF means no link is present ON means a link is present AC...

Page 137: ... provided only when ordered 4 5 5 Connecting the Interface Cable Caution Before you connect a port read its label carefully a wrong connection can cause damages to the interface card and even the device If outdoor cabling is involved consider to install a special lightning arrester at the input end of the T1 interface cable for better lightning protection Step 1 Insert one end of the T1 cable into...

Page 138: ...ough Figure 4 29 Extending a T1 cable Step 3 Power on the router and check the behavior of the LINK LED on the card panel OFF means fault occurs on the line Check the line status 4 6 ROUTER 1 PORT CE3 FIC 4 6 1 Introduction ROUTER 1 PORT CE3 FIC the 1 port channelized E3 interface card delivers these functions z In E3 mode transmitting receiving and processing one channel of E3 fast traffic provid...

Page 139: ...g table describes the LEDs on the card panel Table 4 16 LEDs on the ROUTER 1 PORT CE3 FIC panel LED Description LINK OFF means no link is present ON means a link is present ACT OFF means no data is being transmitted or received on the interface blinking means data is being transmitted and or received 4 6 4 Interface Cable The external interface provided by the ROUTER 1 PORT CE3 FIC uses two SMB so...

Page 140: ... lightning arrester at the input end of the E3 T3 cable for better protection Step 1 Connect the SMB connector of an E3 T3 cable to the Tx port on the ROUTER 1 PORT CE3 FIC and the other end to the Rx port on another device Step 2 Connect the SMB connector of another E3 T3 cable to the Rx port on the ROUTER 1 PORT CE3 FIC and the other end to the Tx port on another device Step 3 Power on the route...

Page 141: ...demultiplex and T12 means T1 to T2 multiplex or T2 to T1 demultiplex T23 and T12 discussed here represent the demultiplex process 4 7 2 Interface Attributes The following table describes the interface attributes of the ROUTER 1 PORT CT3 FIC Table 4 17 ROUTER 1 PORT CT3 FIC interface attributes Attribute Description Connector SMB Number of connectors 2 Interface standard G 703 G 704 G 752 Interface...

Page 142: ...RT E3 ATM FIC 4 8 1 Introduction 8 8 ROUTER 1 PORT E3 ATM FIC the 1 port 34Mbps ATM E3 interface card provides these functions z Two ATM cell mapping modes ATM direct mapping ADM and physical layer convergence protocol PLCP z Scrambling in data transmission z Line clock when working as DTE interface and internal clock when working as DCE interface z Four types of test measures local cell loopback ...

Page 143: ... 1 PORT E3 ATM FIC panel Figure 4 33 8 8 ROUTER 1 PORT E3 ATM FIC panel The following table describes the LEDs on the 8 8 ROUTER 1 PORT E3 ATM FIC panel Table 4 20 LEDs on the 8 8 ROUTER 1 PORT E3 ATM FIC panel LED Description LINK OFF means no link is present ON means a link is present ACT OFF means no data is being transmitted or received blinking means data is being received or and transmitted ...

Page 144: ...he input end of the E3 T3 cable for better protection Step 1 Connect the SMB connector of an E3 T3 cable to the Tx port on the 8 8 ROUTER 1 PORT E3 ATM FIC and another end to the Rx port on another device Step 2 Connect the SMB connector of another E3 T3 cable to the Rx port on the 8 8 ROUTER 1 PORT E3 ATM FIC and another end to the Tx port on another device Step 3 Check the behavior of the LINK L...

Page 145: ...f some key services 4 9 2 Interface Attributes The following table describes the interface attributes of the ROUTER 1 PORT T3 ATM FIC Table 4 21 Interface attributes of the ROUTER 1 PORT T3 ATM FIC Attribute ROUTER 1 PORT T3 ATM FIC Connector SMB Number of connectors 2 Interface standard G 703 G 704 G 823 Interface rate 44 736 Mbps Interface cable E3 T3 cable 75 ohm coaxial cables Supported servic...

Page 146: ...and 8 8 ROUTER 1 PORT E3 ATM FIC cards use the same type of cables for connection which are called E3 T3 cables in this manual 4 9 5 Connecting the Interface Cable Caution By design the ROUTER 1 PORT T3 ATM FIC is protected against lightning strikes But when outdoor cabling is involved you are recommended to add a special lightning arrester at the input end of the E3 T3 cable for better protection...

Page 147: ...T OC 3 ATM SML FIC They provide the following functions z Two frame formats SDH STM 1 and SONET OC 3 z Scrambling in data transmission z Line clock when working as DTE interface and internal clock when working as DCE interface z Three test measures local cell loopback local payload loopback and remote loopback 4 10 2 Interface Attributes The following table describes the interface attributes of th...

Page 148: ...e Transmitter LD LED LD Optical transmitter power Min 15dBm Max 8dBm Min 15dBm Max 8dBm Min 5dBm Max 0dBm Receiver sensitivity Min 28dBm Max 8dBm Min 30dBm Max 14dBm Min 34dBm Max 10dBm Central wavelength 1310 nm Supported service ATM traffic CBR rt_VBR nrt_VBR UBR 4 10 3 Panel and Interface LEDs The following figure illustrates the ROUTER 1 PORT OC 3 ATM MM FIC panel Figure 4 36 ROUTER 1 PORT OC ...

Page 149: ...r received 4 10 4 Interface Optical Fiber The ROUTER 1 PORT OC 3 ATM MM FIC uses multi mode optical fiber and the ROUTER 1 PORT OC 3 ATM SM FIC ROUTER 1 PORT OC 3 ATM SML FIC uses single mode optical fiber As they all use SC type fiber optic connectors the connectors of the optical fibers must also be SC type connectors You are available with several cable length options For more information refer...

Page 150: ... IP backbone or the Internet to enjoy services such as high speed data communication and video on demand VoD ADSL transmits data in the high frequency band above 26 kHz Therefore it can provide services without interfering with the voice service being provided in the low frequency band 0 to 4 kHz on the same line It provides downlink rates in the range 32 kbps to 8 Mbps and uplink rates in the ran...

Page 151: ... over the telephone cable depending on the line quality Supported service ADSL over the regular telephone line 4 11 3 Panel and Interface LED The following figure illustrates the ROUTER 1 PORT ADSL FIC panel Figure 4 39 ROUTER 1 PORT ADSL FIC panel The following figure illustrates the ROUTER 2 PORT ADSL FIC panel Figure 4 40 ROUTER 2 PORT ADSL FIC panel The following table describes the LEDs on th...

Page 152: ...e and simply connect the phone set in parallel with the router at the cable distribution box Full rate mode requires a splitter Follow these steps to connect the cables Step 1 Plug one end of a telephone cable into the ADSL port on the router and the other end into the internal ADSL port on the splitter Step 2 Connect the telephone to the phone port on the splitter with another telephone cable Ste...

Page 153: ... This technology is common on a PDH network over which ATM cells are transmitted 4 12 2 Interface Attributes The following table describes the interface attributes Table 4 27 Interface attributes of the ROUTER 4 PORT E1 IMA FIC Description Attribute ROUTER 4 PORT E1 IMA FIC 75 ohm 75 ohm ROUTER 4 PORT E1 IMA FIC 120 ohm 120 ohm Connector DB 68 Number of connectors 1 Interface standard ITU G 703 IT...

Page 154: ...TER 4 PORT E1 IMA FIC card provides four E1 ports and adopts a 120 ohm or a 75 ohm 4E1 conversion cable The two types of cables look similar Both of them have a DB 68 connector at one end for connecting the router At the other end however the 75 ohm 4E1 conversion cable provides eight coaxial cable connectors and the 120 ohm 4E1 conversion cable provides four twisted pair cable connectors The card...

Page 155: ...the interface type of the device to be connected z If the interface impedance of the device to be connected is 75 ohm use a 75 ohm 4E1 8E1 conversion cable z If the interface impedance of the device to be connected is 120 ohm use a 120 ohm 4E1 8E1 conversion cable Step 2 Insert the DB 68 connector of the cable to the DB 68 port on the ROUTER 4 PORT E1 IMA FIC card and fasten the cable fastening sc...

Page 156: ...or eight T1 interfaces that support the IMA technology Their network application is similar to that of the ROUTER 4 PORT E1 IMA FIC card 4 13 2 Interface Attributes The following table describes the interface attributes of the ROUTER 4 PORT T1 IMA FIC Table 4 29 Interface attributes of the ROUTER 4 PORT T1 IMA FIC Description Attribute ROUTER 4 PORT T1 IMA FIC Connector DB 68 Number of connectors ...

Page 157: ... or eight T1 ports and uses the 4T1 conversion cable for connection At one end of the cable is a DB 68 connector for connecting the router and at the other end are four or eight RJ 45 connectors for connecting other devices 4 13 5 Connecting the Interface Cable Step 1 Insert the DB 68 connector of the conversion cable to the DB 68 port on the ROUTER 4 PORT T1 IMA FIC card Step 2 Connect one RJ 45 ...

Page 158: ...Table 4 31 Interface attributes of the ROUTER 1 PORT OC3 POS FIC Attribute ROUTER 1 PORT OC3 POS FIC Connector SFP LC Interface standard SONET OC 3 SDH STM 1 Number of interfaces 1 Interface rate 155 52 Mbps Type Multi mode short haul Single mode medium haul Single mode long haul Single mode ultra long haul Min 19 0 dBm 15 0 dBm 5 0 dBm 5 0 dBm Optical transmi tter power Max 14 0 dBm 8 0 dBm 0 dBm...

Page 159: ...es optical fibers with LC type connectors see Error Reference source not found 4 14 5 Connecting the Interface Optical Fiber Step 1 Insert the SFP card into its corresponding slot Step 2 Locate the Rx and Tx fiber optic interfaces on the interface card Use two fibers to connect the ROUTER 1 PORT OC3 POS FIC to another device Rx to Tx and Tx to Rx Step 3 Power on the device and check the LINK LED o...

Page 160: ...RT FXS 4 PORT FXO FIC make sure your router has access to an IP network or some other WAN 4 15 2 Interface Attributes The following table describes the interface attributes of the ROUTER 2 PORT FXS 2 PORT FXO FIC and the ROUTER 4 PORT FXS 4 PORT FXO FIC Table 4 33 Interface attributes of the ROUTER 2 PORT FXS 2 PORT FXO FIC and the ROUTER 4 PORT FXS 4 PORT FXO FIC Attribute Description Connector R...

Page 161: ... following figure illustrates the 2 Port FXO panel Figure 4 49 2 Port FXO panel The following figure illustrates the 4 PORT FXS FIC panel Figure 4 50 4 PORT FXS FIC panel The following figure illustrates the 4 PORT FXO FIC panel Figure 4 51 4 PORT FXO FIC panel Table 4 34 LEDs on the ROUTER 2 PORT FXS FIC ROUTER 4 PORT FXS FIC LED Description LINK OFF means that no link is present ON means a link ...

Page 162: ...cludes the regular telephone cables 4 15 5 Connecting the Interface Cable Caution If outdoor cabling is involved consider to install a special lightning arrester at the input end of the interface cable for better lightning protection Before you connect a port read its label carefully a wrong connection can cause damages to the interface card and even the device In connecting an interface cable not...

Page 163: ...ignals 4 16 2 Interface Attributes The following table describes the ROUTER 1 PORT E1 VOICE FIC interface attributes Table 4 35 Interface attributes of the ROUTER 1 PORT E1 VOICE FIC Attribute Description Connector DB 15 Number of connectors 1 Operating mode E1 CE1 ISDN PRI Interface rate 2 048Mbps Cable E1 120 ohm balanced twisted pair cable 75 to 120 ohm adapter with BNC connectors Network conne...

Page 164: ...nsmitted or received on the interface and blinking means data is being transmitted and or received 4 16 4 Interface Cable ROUTER 1 PORT E1 VOICE FIC cables are G 703 compliant 120 ohm balanced twisted pair cables with a DB 15 connector at the router end and an RJ 45 connector at the network end Figure 4 53 E1 120 ohm balanced twisted pair cable If you want a 75 ohm cable you can use a 75 to 120 oh...

Page 165: ...ghtning protection Before you connect a port read its label carefully a wrong connection can cause damages to the interface card and even the device Step 1 Insert the DB 15 connector of the cable into the DB 15 port on the ROUTER 1 PORT E1 VOICE FIC and tighten the thumbscrews Step 2 Connect the RJ 45 connector at the other end of the cable as follows z If the impedance of the to be connected port...

Page 166: ...F means fault occurs on the line Check it for the cause 4 17 ROUTER 1 PORT T1 VOICE FIC 4 17 1 Introduction ROUTER 1 PORT T1 VOICE FIC the 1 port T1 voice interface card is intended for handling dense signals in a VoIP system It delivers the VoIP function on T1 lines The ROUTER 1 PORT T1 VOICE FIC comprises one motherboard and one daughter card providing a CT1 PRI interface for handling 24 channel...

Page 167: ...38 LEDs on the ROUTER 1 PORT T1 VOICE FIC panel LED Description LINK OFF means no link is present ON means a link is present ACTIVE OFF means no data is being transmitted or received on the interface and blinking means data is being transmitted and or received 4 17 4 Interface Cable The ROUTER 1 PORT T1 VOICE FIC uses T1VI cables that is 100 ohm balanced STPs At one end of the cable is a DB 15 con...

Page 168: ...rface card and even the device Step 1 Insert one end of the T1VI cable into the DB 15 port on the ROUTER 1 PORT T1 VOICE FIC Step 2 Connect the other end of the cable to another device directly or after extending the cable as shown in the following figure Router Voice Device Network connector RJ 45 Straight through cable RJ 45 T1VI cable Router Voice Device DB 15 Network connector T1VI cable Route...

Page 169: ...of your router can implement VPN with encryption provided by the ROUTER NDEC2 ENCRYPTION ACCELERATOR FIC in addition to IP packet forwarding 4 18 2 Interface Features The following table describes the interface attributes of the ROUTER NDEC2 ENCRYPTION ACCELERATOR FIC Table 4 39 Interface attributes of the ROUTER NDEC2 ENCRYPTION ACCELERATOR FIC Attribute Description Protocol supported IPsec Hardw...

Page 170: ... reading the LED behaviors Incorrect LED behaviors Reason Action to take STATUS LED remains OFF at router startup The card or some hardware parts on the card are not supplied with power properly 1 Check that the power supply of the router is correctly connected 2 Check that the power is being supplied 3 Contact your sales agent for help the power supply of the card may have been damaged or anomali...

Page 171: ...3Com Router Module Guide Chapter 4 4 62 ...

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