Black Box MDS920C-10BT User Manual Download Page 12

Page: 12 / 95

4.1.3.1 HDSL in brief

Standard

•

ETSI TS 101 135

•

interoperability between equipment of different manufacturers is not provided

Transmission rate

•

1168 Kbit/s over each pair (2 Mbps over two pairs)

Line code

•

2B1Q

•

CAP 64

Transmission medium

•

two pairs

•

possibility of the regenerator’s installation (up to 3)

Usage

•

PNOs

•

long-haul E1 transmission

•

organization of trunk lines between PABX

•

increase of capacity of subscribers’ lines with the help of Digital Loop Carrier systems

•

high-speed access to SDH networks

Restrictions

•

two pairs are used for stream transmission

•

impossibility to regulate transmission rates

•

increased influence on analog systems with frequency division multiplexing/demultiplexing

Version: 1.0

Page. 12 of 95

Summary of Contents for MDS920C-10BT

Page 1: ...k Services AG The contents of this publication may not be reproduced in any part or as a whole transcribed stored in a retrieval system translated into any language or transmitted in any form or by an...

Page 2: ...2 Local area network integration Access to Internet 17 4 2 1 TCP IP stack structure 17 4 2 2 Address assignment in IP networks 19 4 2 3 Bridging of local networks 21 4 2 4 Routing of networks 25 5 DE...

Page 3: ...3 3 8 3 3 Ipoa command 64 8 3 4 Lan command 66 8 3 5 List command 68 8 3 6 Manage command 68 8 3 7 Mode command 68 8 3 8 Pat command 68 8 3 9 Ping command 70 8 3 10 Pppoa command 70 8 3 11 Pppoe comma...

Page 4: ...sions 83 11 CONNECTORS DESCRIPTION 84 11 1 SHDSL connector 84 11 2 Monitor connector 84 11 3 Ethernet 10BaseT connector 85 11 4 Power connector For MDS922AE 10BT 85 12 DESCRIPTION OF INTERFACE CABLES...

Page 5: ...changes to previous version 0 1 30 Jul 2001 First version 0 2 9 Sept 2001 Pre official version Chapter 4 2 is changed Small changes throughout the text 1 0 11 Feb 2003 Layout Small changes throughout...

Page 6: ...nection of Internet providers access nodes 3 for the connection of remote working stations computers and small Ethernet branches to the office computer network and for integration of IP and IPX networ...

Page 7: ...emulation of the terminal 2 remote monitoring and configuring over Telnet protocol 3 remote monitoring and configuring over HTTP protocol 4 support of the CMU SNMP agent for remote monitoring and conf...

Page 8: ...ce bridge and router function built in 4 port HUB on AAL5 for ATM over SHDSL function of traffic priorities DNS support built in DHCP server NAT support static and dynamic routing RIP built in functio...

Page 9: ...ed to physical copper pairs of telephone cable or in simple words to direct wires The term DSL was originally referred to the ISDN technology but later was borrowed by the developers of xDSL technolog...

Page 10: ...he IDSL technology is based on the ISDN technology but without switching IDSL uses 2B1Q line encoding and has two B and one D channel capacity which allows transmitting data bi directional at 144 Kbit...

Page 11: ...ation of LANs Restrictions low speed impossibility of transmission rate adjusting 4 1 3 High bit rate DSL HDSL technology The HDSL technology allows transmitting synchronous digital data at 1 54 or 2...

Page 12: ...f the regenerator s installation up to 3 Usage PNOs long haul E1 transmission organization of trunk lines between PABX increase of capacity of subscribers lines with the help of Digital Loop Carrier s...

Page 13: ...a changeable line speed from 144 to 2064 Kbit s over two copper pairs The technology stipulates the installation of up to 6 remotely powered regenerators The number of regenerators can be doubled if t...

Page 14: ...es The technology is implemented in MDSL and MSDSL the latter one having a different line code The MDSL technology uses 2B1Q line code The transmission rate varies from 144 to 2320 Kbit s Regenerators...

Page 15: ...connection The technology supports the installation of a line regenerator However the spectral characteristics of the CAP code interfere with other xDSL systems running over the neighboring pairs in...

Page 16: ...data transmission It became an international standard for symmetric systems The technology supports the transmission over one and two pairs Special stress while developing the technology was laid to...

Page 17: ...than the OSI model and that is why differs greatly Fig 1 shows the TCP IP structure TCP IP protocols are composed of 4 layers Layer IV The lowest layer Layer IV corresponds to the physical and data li...

Page 18: ...odems Layer II Layer II is sometimes called basic The Transmission Control Protocol TCP and User Datagram Protocol UDP function at this level TCP provides reliable packet transmission using virtual li...

Page 19: ...umbers in the 1 0 0 0 126 0 0 0 range Networks with number are not used and number 127 is reserved The node count must be more than 126 but less than 224 The first bit of the network address of Class...

Page 20: ...in the network the address assignment is a long and painstaking process Dynamic Host Configuration Protocol DHCP was developed to facilitate this process The primary task of DHCP is dynamic IP addres...

Page 21: ...en a larger number of devices than any single LAN connected to the bridge would support Fourth bridges extend the effective LAN length permitting the attachment of distant stations Types of bridges Br...

Page 22: ...internal table If the table contains an association between the destination address and any of the ports of this bridge excluding the one the information unit was received on then the unit is forwarde...

Page 23: ...formation unit source Another disadvantage is cloning proliferation of broadcast messages in networks with loops Assume that the initial information unit of host A is a broadcast Both bridges will for...

Page 24: ...led the root path cost Finally designated bridges and their designated ports are determined A designated bridge is the bridge on each LAN that provides the minimum root path cost A LAN s designated br...

Page 25: ...configuration messages and initiate a spanning tree recalculation The MDS92xxx 10BT device implements both transparent bridge and spanning tree algorithms 4 2 4 Routing of networks The word routing m...

Page 26: ...ow Destination address Next hop 27 Router A 57 Router B 17 Router C 24 Router A 52 Router A 16 Router B 26 Router A Routing table also contain other information Metrics represent information about the...

Page 27: ...r checking the packet s destination protocol address the router determines whether the destination address is in the routing table If the router did not find the address in the routing table it typica...

Page 28: ...1 2 t1 t2 t3 x y RIP supports only optimal routes to destinations If new information provides a better route this information updates the old one Changes in the network topology can cause changes in t...

Page 29: ...namic translation is sometimes used when static translation does not work The number of intercommunicating hosts will be limited in any case by the number of free available addresses on the NAT interf...

Page 30: ...s changed from 1243 into for example 62300 The following change is then recorded in the Nat table Internal IP Port local NAT port 191 167 0 10 1243 61300 Thus when the web server s reply is received t...

Page 31: ...rd which was accepted by ITU as the only world standard of high speed symmetrical data transmission over one pair is used to transmit data over a twisted pair The device consists of the following CPU...

Page 32: ...e enabled though the management interface with the help of VT 100 type terminal or over Telnet and HTTP protocols through Ethernet The firmware loading can be implemented through the Ethernet interfac...

Page 33: ...or remotely over Telnet HTTP protocols 5 2 1 G shdsl line interface Master Slave mode To start up a link between two devices one system must be configured as master and the other as slave Moreover the...

Page 34: ...algorithms These algorithms are described in detail in Routing of local networks Note At the point to point connection both devices must be configured either as bridge or as router 5 2 3 ATM interfac...

Page 35: ...BER 15 Synch DSL line is not connected Synchronization is set up Synchronization is in process Link The Ethernet network is off The Ethernet network is on Packet exchange between shdsl and Ethernet Ac...

Page 36: ...he constructive point of view MDS92xxx 10BT NG consists of two printed circuit boards PCBs and a front panel Fig 16 shows the front panel The front panel has the following sockets and LEDs LED Descrip...

Page 37: ...Fig 16 MDS920C 10BT NG front panel Version 1 0 Page 37 of 95...

Page 38: ...D Sync xDSL line status LED Link User s Ethernet interface status LED Act Transmission status LED over user interface Pwr Power supply LED XDSL RJ11 socket to link DSL lines 10BaseT four RJ45 sockets...

Page 39: ...Fig 17 MDS922AE 10BT front panel Version 1 0 Page 39 of 95...

Page 40: ...ng sockets and LEDs LED Description Alarm Alarm LED Sync xDSL line status LED Link User s Ethernet interface status LED Act Transmission status LED over user interface Pwr Power supply LED xDSL RJ11 s...

Page 41: ...devices of Mini Rack and Stand Alone type must be grounded through the grounding bolt It is strictly prohibited to use the device until it is properly grounded Connect xDSL cable to xDSL line port wit...

Page 42: ...out 20 seconds When the time lapses the device is ready for configuring from the control computer Note The device must be disconnected from power during the installation DSL and computer connectors ar...

Page 43: ...ubrack the management socket is on the front panel To connect the terminal it is necessary to use RS232 cable While attaching the cable to the computer COM port make sure the port is not occupied by t...

Page 44: ...ach of the parameters To facilitate the process of the command recognition the monitor displays this or that prompt For the main menu commands of level 1 the following invitation is displayed for the...

Page 45: ...Version 1 0 Page 45 of 95 Fig 19 Command tree of bridge mode...

Page 46: ...Fig 20 Command tree of router mode Version 1 0 Page 46 of 95...

Page 47: ...ss is activated the system demands to enter the password password The factory setting assumes no password protection If nevertheless after installation the modem asks for a password it might happen fo...

Page 48: ...8 2 4 2 8 2 4 1 Setip command The setip command sets the device IP address This address is used for remote management of the device over Telnet or HTTP protocols lan setip 10 0 1 205 255 0 0 0 lan Com...

Page 49: ...I VCI 0 0 2 oamloop TxPkts 0 0 RxPkts 0 0 TxVPI VCI 0 0 R xVPI VCI 0 3 3 oamloop TxPkts 0 0 RxPkts 0 0 TxVPI VCI 0 0 R xVPI VCI 0 4 4 bridge TxPkts 0 0 RxPkts 0 0 TxVPI VCI 8 35 R xVPI VCI 8 35 Comman...

Page 50: ...Password disabled New Password Confirm password again Password has been changed Saving configuration Configuration saved manage Command format setpass Parameter none Definitions Password disabled The...

Page 51: ...ord again Password has been changed The password has been changed Information line Saving configuration The new configuration is saved automatically after the dialogue is finished Password disablement...

Page 52: ...be of Latin letters and figures The symbol uppercase differs 8 2 7 Mode command The mode command selects the device operation mode bridge or router Bridge mode setting mode Please select bridge or rou...

Page 53: ...5 ip ping reply received from 10 0 1 55 ip ping no reply received ping 299 999 Invalid IP Command format ping ipaddress Parameter Ipaddress The IP address of the destination device Definitions ip ping...

Page 54: ...line shows the number of existing or available PVC VPI 0 4095 Enter the VPI decimal number VCI 1 65535 Enter the VCI decimal number Packet Filter Any Ip Pppoe Defines the type of packet filtration Al...

Page 55: ...1483 pfilter 8 35 ip r1483 Command format pfilter vpi vci any ip pppoe igmp none Parameter VPI VCI Sets PVC with the VPI VCI number Any This PVC passes any packet Ip This PVC passes only IP packet Ppp...

Page 56: ...priority CBR Sets the CBR priority VBR Sets the VBR priority VBRNRT Sets the VBR NRT priority Note The setqos command changes the PVC parameters first configured by the quick command see 8 2 9 or setp...

Page 57: ...tion type according to RFC1483 Spanning Spanning tree mode enabled disabled Pkt Filter The used packet filter 8 2 11 Restart command The restart command reboots the system restart NBfs2 Helium Family...

Page 58: ...ystem into the submenu of the shdsl line shdsl shdsl Command format shdsl default enable terminal Coe CPe annex a b fix Rate adapt maxrate minrate status Parameter Default See 8 2 13 1 Enable See 8 2...

Page 59: ...Parameter Coe The device is configured as master Cpe The device is configured as slave Note When the two modems are connected according to the point to point algorithm one of the devices must be confi...

Page 60: ...1992 1936 1928 1872 1864 1808 1800 1744 1736 1680 1672 1616 1608 1552 1544 1488 1480 1424 1416 1360 1352 1296 1288 1232 1224 1168 1160 1104 1096 1040 1032 976 968 912 904 848 840 784 776 720 712 656 6...

Page 61: ...ig terminal coe Rate Mode adaptive Line Rate Range MAX 2320 MIN 72 Status F W Version R1 2 Line Code PAM SHDSL SHDSL Standard ANNEX B Last Failed No failure Start Progress PRE ACTIVATION Attenuation N...

Page 62: ...he used protocol VPI VCI PVC number CLASS Priority LLC VCMUX Encapsulation type according to RFC1483 Spanning Spanning tree enabled disabled Pkt Filter The used packet filter 8 2 15 Ver command The ve...

Page 63: ...at dnsrelay setdnsip dnsip retry times Parameter Dnsip IP address of the DNS server Retry times The number of retry connections with the server 8 3 2 2 Show command The show command displays the DNS c...

Page 64: ...ete all or selected PVC ipoa delwanip all Command format delwanip all vpi vci Parameter All Deletes all PVCs VPI VCI Deletes the selected PVC with the VPI VCI number 8 3 3 2 Setqos command The setqos...

Page 65: ...not used Note The setrip command changes the PVC parameters first configured by the quick command see 8 2 9 or the setwanip command see 8 3 3 4 If the mentioned PVC is not found the system displays an...

Page 66: ...anip MaskNum IP address subnet mask GatewayIP Gateway IP address RIP The used RIP 8 3 4 Lan command The lan command puts the system into the menu of local Ethernet interface parameter settings lan lan...

Page 67: ...address of the first DNS Dns ip2 IP address of the second DNS 8 3 4 2 Setdhcp command The setdhcp command activates or deactivates the DHCP server lan setdhcp disable DHCP is set to disable lan Comman...

Page 68: ...8 2 6 8 3 7 Mode command See 8 2 7 8 3 8 Pat command The pat command puts the system into the menu of NAT address translations settings pat pat Command format pat addpatin delpatin setpat show Paramet...

Page 69: ...the connections Number The virtual connection number displayed by the show command 8 3 8 3 Setpat command The setpat command enables and disables real IP address translation in LANs The access list fu...

Page 70: ...otocol Server IP The server IP address 8 3 9 Ping command See 8 2 8 8 3 10 Pppoa command The pppoa command puts the system into the menu of PPP over ATM settings pppoa pppoa Command format pppoa addus...

Page 71: ...he VPI VCI number Userid User s name Chap pap Access check protocol 8 3 10 2 Chpass command The chpass command changes the password on PPP over ATM connections The password can contain no more that 20...

Page 72: ...65535 seconds The default setting is 60 s If the parameter is 0 the function is disabled 8 3 10 5 Setllc command The setllc command enables and disables the logical connection control pppoa setllc ena...

Page 73: ...mmand The show command displays the configuration of the current PPP over ATM connection pppoa show PPPoA setting Function VPI VCI CLASS RIP UserID Authentication PPPoA 8 35 cbr 1 Access CHAP LLC Enab...

Page 74: ...2 1 Setqos See 8 3 12 2 Setrip See 8 3 12 3 Setwanip See 8 3 12 4 Show See 8 3 12 5 8 3 12 1 Delwanip command The delwanip command serves to delete all or selected PVC r1483 delwanip all r1483 Command...

Page 75: ...with the VPI VCI number 1 Sets RIP1 2 Sets RIP2 1 2 Sets RIP1 2 0 RIP is not used 8 3 12 4 8 3 12 4 Setwanip command The setwanip command sets the IP address of the SHDSL WAN interface for the selecte...

Page 76: ...ick command allows to set quickly the connection with the help of prompts quick R1483 r IPoA i PPPoA p i 0 PVC existed 5 PVCs available Ethernet IP 192 168 1 1 198 24 67 20 Subnet mask 255 255 255 0 2...

Page 77: ...y the show command Show 8 3 15 1 Addiproute The addiproute command adds a new route in the routing table rtable addiproute 198 24 67 0 216 71 89 3 rtable Command format addiproute destip masknum subma...

Page 78: ...SubMask Gateway IP 1 0 0 0 0 0 0 0 0 216 71 89 3 2 198 24 67 0 255 255 255 0 216 71 89 3 effective routing table Routing table is empty rtable Command format show Parameter No The routing number Desti...

Page 79: ...ble during the firmware loading If there occurs a failure of power supply and the device starts malfunctioning it is necessary to contact the service center It is expressly recommended to use the same...

Page 80: ...N 1 Flow management XON XOFF Transmission rate 2400 57600 bit s 10 1 2 Network management interface Parameter Description Interface Ethernet ISO IEC 8802 3 Supported protocols Telnet SNMP MIB II ILMI...

Page 81: ...s Transmission medium UTP 10BASE T Standard Ethernet ISO IEC 8802 3 Bridge IEEE 802 1d Encapsulation RFC1483 RFC2364 RFC2516 Routing RIP1 RIP2 static routing Protocols NAT PPP PAP CHAP DHCP 10 2 Powe...

Page 82: ...Test voltage of isolation of electrical circuit galvanically disconnected with the ground 500 V amplitude normal climatic conditions 300 V amplitude high humidity Without discharge within 1 minute Tes...

Page 83: ...hours The operating lifetime is no less than 20 years 10 5 10 5 Physical dimensions Stand Alone dimensions weight 220 mm 170 mm 40 mm 0 5 kg Mini Rack dimensions weight 483 mm 230 mm 43 5 mm 3 kg Sub...

Page 84: ...emale 1 5 6 9 Pin Signal Description Note 1 NC 2 TXD Transmit data 3 RXD Receive data 4 ALACOM Common contact of Alarm Relay For Mini Rack units 5 SGND Signal ground 6 DA_NC Urgent Alarm contact norma...

Page 85: ...nector Type RJ 45 Pin Description 1 Tx 2 Tx 3 Rx 4 NC 5 NC 6 Rx 7 NC 8 NC 1 8 RJ45 11 4 Power connector For MDS922AE 10BT Type Molex 4 pin 4 3 1 2 Pin Signal Description 1 PWR negative power supply te...

Page 86: ...irs Side Color Side B 1 white orange 1 2 orange white 2 3 white blue 3 6 blue white 6 The cable contains four pairs Side Color Side B 1 white green 1 2 green white 2 3 white orange 3 4 blue white 4 5...

Page 87: ...ange 3 2 orange 6 3 white blue 1 6 blue 2 The cable contains four pairs Side Color Side B 1 white green 3 2 green 6 3 white orange 1 4 blue 7 5 white blue 8 6 orange 2 7 white brown 4 8 brown 5 12 3 M...

Page 88: ...pically the delivery set includes SHDSL modem AC power adapter for Stand Alone versions only AC power cable for MiniRack versions only Ethernet cable User Manual in some cases can be made available on...

Page 89: ...lar the institute elaborated a group of standards 802 for LANs ANSI and ISO are members of IEEE IEEE 802 1d IEEE specification for bridges connecting LANs It describes an algorithm that prevents bridg...

Page 90: ...alog telephone lines RJ11 Four or six pin connector used for telephone connections and fax machines and other types of network analog connections RJ45 Eight pin connector used in LANs and data transmi...

Page 91: ...TDM Time Division Multiplexing SDH Synchronous Digital Hierarchy VPI Virtual Path Identificator V I Virtual Channel Identificator Version 1 0 Page 91 of 95...

Page 92: ...outer1 198 24 67 20 24 Router2 194 27 54 10 24 Hub Hub Workstation IBM Compatible Workstation Workstation 216 71 89 12 216 71 89 3 Fig 13 network With the help of the mode command select the routing m...

Page 93: ...nd VCI Type 8 and then press enter after it type 35 and press enter On request WANIP it is necessary to enter the interface IP address through which the connection with another router occurs In our ca...

Page 94: ...save the configuration and restart the modem 15 2 Router 2 The configuration of router 2 will differ only when we enter the IP address of the router wan interface and gateway On request of the router...

Page 95: ...Now it is necessary to reinitialize router 2 After restart of the system let us check operability of the created network Enter the command ping 198 24 67 20 on router 2 The configuration is completed...

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