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Perle P2600 User And System Administration Manual

Bridge/router
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Perle P2600
Perle P2600
Perle P2600
Perle P2600
Bridge/Router
User And System
Administration Guide
Part number 5500078-14
© Copyright 2003 by Perle Systems Ltd.

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  • Page 1 Perle P2600 Perle P2600 Perle P2600 Perle P2600 Bridge/Router User And System Administration Guide Part number 5500078-14 © Copyright 2003 by Perle Systems Ltd.
  • Page 2 The ISDN interface of this device is intended for direct connection to the S/T jack of an NT-1 unit and therefore does not require Communications Canada certification. The P2600 should only be connected to Communications Canada approved NT-1 units. Statements for ISDN U Module NOTICE: The Canadian Department of Communications label identifies certified equipment.

  • Page 3: Using This Manual

    ” provides a graphical representation of the various common Ethernet frames that the P2600 will bridge or route. When defining a pattern filter, these frame displays indicate the offset values to use in order to define the pattern filter correctly.

  • Page 4: Table Of Contents

    Make the LAN Connections ................3 Make the Link Connection(s)................4 Power Up the Bridge/Router................5 Managing the P2600 Using the Menus ............... 6 Conventions......................6 Login to Bridge/Router and Enter the Required Configuration....7 Setting the T1/E1Parameters (T1/E1 WAN only) ..........9 Mandatory Configuration....................
  • Page 5 Contents Configure Remote Site Profiles for PPPoE............... 46 Advanced Features ....................49 Configure Dynamic Host Configuration Protocol ........... 49 Network Address Translation and Port Translation..........51 Security..........................53 Configure PPP Security......................53 Configure Firewall........................55 Network Address Translation....................58 Filters............................58 Compression ........................
  • Page 6 Contents Link Clocking Information................... 3.1 ATL-CSU/DSU Link Module Information ............3.2 CSU/DSU Module: ....................3.3 T1/E1 Module: ...................... 3.4 Console Pinouts ..................... 3.5 V.24 & RS232C Link Pinouts ................3.6 V.11/X.21 Link Pinouts ..................3.7 RS442 & RS530 Link Pinouts ................3.8 V.35 Link Pinouts ....................

  • Page 7: Installation

    1-2, 3-4, 5-6, 7-8, 9-10, 11-12, or 13-14. A mixture of interface modules of different types may be used in a P2600 (ISDN BRI modules count as two interfaces and must be in even numbered slots as outlined above).

  • Page 8: Identify The Reset Switch

    Figure 1-1 Location of the Reset Switch on P2600 Router Identify the Connectors Each P2600 is configured with a standard 10BaseT LAN connector on the front of the unit, and 10Base5 and 10Base2 LAN connectors on the back panel. The console and power connections are also on the back of the unit.

  • Page 9: Connect To The Console

    Connection to the bridge/router operator’s console is made through the DB25 connector labeled CONSOLE on the back of the bridge/router. Connect the console port of the P2600 Router to a computer running an asynchronous communication package or a standard asynchronous terminal. The bridge/router supports autobaud rates at 1200, 2400, 9600, 19,200 or 38,400 bps.

  • Page 10: Make The Link Connection(S)

    T1/E1, RJ-48S specification for CSU/DSU) connector G.703 modules use a standard BNC connector with a 75 ohm cable. The ISDN-ST interface module of the ISDN P2600 router provides a RJ-45 connector to connect to the RJ-45 connector of the NT1 provided with your ISDN service.

  • Page 11: Power Up The Bridge/Router

    Once the LAN and Link connections are made and the console is connected to a terminal, you are ready to power-up the P2600 router. Connect the AC power cord to the back of the P2600 router and plug the cord into the AC wall outlet.

  • Page 12: Managing The P2600 Using The Menus

    P2600. The built-in menu system of the P2600 is used to configure the unit. The P2600 menu system operates on a “hotkey” principle; navigating around the menu system is done by typing the number associated with the desired option; the P2600 acts on the choice immediately (no need to hit the “enter” key).

  • Page 13: Login To Bridge/Router And Enter The Required Configuration

    Login to Bridge/Router and Enter the Required Configuration At the login screen type a 1 and the default password to enter the menu system of the P2600 router. The default password is “BRIDGE” (case sensitive) and should be changed if security is desired.
  • Page 14 Installation Telnet security considerations: Telnet may be disabled to prevent remote access control of the router. If Telenet access is enabled, the device password should be changed to some value other than the default to prevent unauthorized access. Location: Main Configuration Access Set up Device Set up...

  • Page 15: Setting The T1/E1Parameters (T1/E1 Wan Only)

    Configuration WAN Set Up Link Set Up T1/E1 Set Up Link mode T1 or E1 Set the service mode to which this P2600 router will be connected. Service parameters: Location: Main Configuration WAN Set Up Link Set Up T1/E1 Set Up...
  • Page 16 Installation E1 service does not require line build out selection. Set Link Interface Type: Location: Main Configuration WAN Set Up Link Set Up T1/E1 Set Up as specifed T1 long-haul LBOs: L0db, L7.5db, L15db, L22.5db Short haul LBOs: S0to110ft, S110to220ft, S220to330ft, S330to440ft, S440to550ft, S550to660ft AT&T standard TR64211long-haul connection: TL0db AT&T standard TR64211 short-haul connection: TS0to110ft, TS110to220ft,...

  • Page 17: Mandatory Configuration

    Typical Applications and How to Configure Them. Each configuration requires a different set of parameters to be entered. Refer to Section 2 for details on configuring the P2600 in different operational states. Also refer to the PPP Menus Reference Manual file for your operating software on the accompanying CD-ROM for a complete description of all the Menu Options.

  • Page 18: Identify The Status Leds

    Installation Identify the Status LEDs The three-colour Light Emitting Diodes (LEDs) on the front of the P2600 are depicted in Figure 1-1. The meanings of these LEDs are found in the following chart. Bridge/Router is powered down Green Power supply output is good...

  • Page 19: Typical Applications & How To Configure Them

    PPP permanent virtual circuit. This section will describe how to set up the P2600 using each of its networking functions. Note that depending on what WAN interface modules are installed, some of the configuration examples may not apply;...

  • Page 20: Bridging And Routing

    Applications Bridging and Routing Should You Bridge or Route? When connecting two Local Area Networks together, the first question to ask is “should I bridge or route”? The decision to bridge or to route may be decided by how the existing networks have been already set up.

  • Page 21: Bridging

    Area Network (WAN) connection has been established (see section 1, page 3 for WAN connection set-up). The P2600 also is pre-configured as an IPX router. This means that if you wish to bridge IPX traffic instead of routing it, you must disable the IPX routing function of the P2600.

  • Page 22: Ip Routing

    Applications IP Routing An Ethernet IP router is used to intelligently route Internet Protocol (IP) LAN traffic to remotely connected LANs across the WAN. Original IP Network Address 199.169.100.0 Subnet IP Network Address Subnet IP Network Address 199.169.100.64 199.169.100.128 Subnet Mask is Subnet Mask Size 26 Subnet Mask Size 26 255.255.255.192...

  • Page 23: Ip Addressing

    Applications IP Addressing Devices on an IP network are located by their IP addresses, which is a 32 bit number divided into four 8 bit fields. The IP address identifies both the network and the host device (also known as a node) on that network. The address is usually written as the four decimal values for the fields (between 0 and 255) separated by decimal points;...

  • Page 24: Masks

    Applications IP addresses within a private network may be assigned arbitrarily, however, if that network is to interconnect with the global Internet, it is necessary to obtain a registered IP address. For example, a small company is connected to the Internet; they are assigned a single class C IP network address (199.169.100.0).
  • Page 25 Applications The P2600 allows mask sizes from 8 to 32 bits. The subnet mask size determines how many bits of the host field of the original IP network address will be used for the creation of subnets. In this example, specifying a mask size of 26 will produce a subnet size of 2 bits.

  • Page 26: Ip Default Gateway

    IP Default Gateway An IP default gateway is an IP router that is resident on the local IP network that this P2600 is connected to and is used to route IP frames for destination networks that do not exist in the routing table.

  • Page 27: Ipx Routing

    Applications IPX Routing The P2600 is pre-configured to operate as an IPX router. When installed in an IPX network, the P2600 will learn the IPX network numbers from the connected networks. It will then route the IPX frames to the appropriate destination IPX network.

  • Page 28: Novell Servers In One Location Only

    Applications to the IPX frames they receive from the network. Manual entries may be made in the routing tables by adding static IPX routes. Novell Servers in One Location Only Some Novell LAN installations require that a remote LAN that consists of only Novell IPX clients be connected to a central LAN that contains the Novell servers and some more clients.
  • Page 29 Applications The following steps must be performed on the router connected to LAN #2. IPX Routing Disabled Location: Main Configuration IPX Routing Set up IPX Routing Disabling IPX routing allows the IPX frame types to be modified. Configuration: IPX Routing does not need to be disabled in order to change the defined Note network numbers on a PPP router.
  • Page 30 Applications IPX Forwarding Enabled Location: Main Configuration IPX Routing Set up IPX Forwarding IPX forwarding must be re-enabled to allow the router to forward IPX frames onto the WAN to the partner router IPX routers. The IPX Forwarding function enables or disables the forwarding of IPX traffic when IPX routing is enabled.

  • Page 31: Ppp Overview

    Applications PPP Overview Point to Point Protocol (PPP) is a connection protocol that allows control over the set-up and monitoring of network communications. It is used in procedures for user authentication (name and password), connection management (spoofing, bandwidth on demand, multilink), and compression.

  • Page 32: Unnumbered Links

    Applications Unnumbered Links An unnumbered link does not use network addressing on the WAN link. The WAN connection is roughly equivalent to an internal connection with each of the two end point routers operating as half of a complete router that is connected between the two endpoint LANs.

  • Page 33: Multilink Operation

    Applications Multilink Operation Multilink operation defines the use of more than one link to connect between two PPP routers. The MultiLink Operation option of the remote site profile for a connection is enabled by default. When a Multilink connection is established, the Multilink (MP) options within the PPP Set up and Advanced PPP Set up menus will determine the operation of the Multilink connection.

  • Page 34: Basic Configurations

    Basic Configurations Basic ISDN Connections If this P2600 is configured as an ISDN bridge/router, it may establish WAN connections to other bridge/routers via ISDN (Integrated Services Digital Network) connections. Before the P2600 can establish an ISDN connection to another ISDN router, the ISDN information must be defined.
  • Page 35 Applications The following steps must be performed to configure the P2600: The default switch type for ISDN S/T interface modules is NET3, the default switch type for ISDN U interface modules is NI-1. If the type of service your provider uses matches the default setting for the interface module, the following step may be skipped, otherwise, the switch type must be set.
  • Page 36 Note that any time the switch type is changed a soft reset must be performed before the change will take effect. The switch type is not saved through a hard reset; the P2600 will come up with the default switch type – NET3; if you require a different switch type, it must be re-entered after a configuration reload.

  • Page 37: Basic Frame Relay Configuration

    The DLCI (Data Link Connection Identifier) number for the PVC is assigned by the frame relay service provider. The PVC must be defined on at least one physical links on the P2600. Refer to the following diagram that shows three routers connected together with two PVCs being configured on each unit.

  • Page 38: Auto Learning The Frame Relay Configuration

    Profile and the individual link configuration menus. When the P2600 first starts up it will query the frame relay service to try to determine the LMI type on each of the frame relay links. Once the LMI type is determined, the PVC configurations will be known from the full status enquiry messages.

  • Page 39: Manual Configuration - Lmi Type

    Interface in use by the Frame Relay service provider for the Frame Relay service. When the LMI type is set to none, the P2600 simply creates frame relay packets and sends them on the defined PVC’s. The links are not checked for errors. There is no congestion control checking.

  • Page 40: Quick Start Frame Relay

    IP router for frame relay. Upon initial start up, the P2600 is pre-configured to query the frame relay service to auto- learn the LMI type and the PVC DLCI numbers. The P2600 will then automatically create a remote site profile for each PVC.

  • Page 41: Basic Leased Line Configuration

    The P2600 establishes PPP (Point to Point Protocol) WAN connections to other PPP Leased Line P2600 units or to other vendors PPP leased line routers via direct leased line connections. Either 1 or 2 links may be used to connect to other PPP routers.

  • Page 42: Bridge Connection

    LAN IP Set-up IP Address / Subnet mask size This is the IP address and subnet mask for the link of this P2600 in the unnumbered IP connection. Usually the clocking signal is received from the link (see Appendix D - Link Clocking Information).

  • Page 43: Configure Remote Site Profiles

    Remote Site Profiles allow the P2600 to have different sets of configuration parameters for each of the remote site routers that may be called or that may call this P2600. This allows great control over the configuration of each possible connection.
  • Page 44 Applications are used to finish establishing the PPP connection. For example, if this P2600 receives an ISDN call from another device and in response to the user name prompt receives the name “Calgary”, it will look in the remote site list for a profile with the alias “Calgary”. If the “Calgary”...
  • Page 45 1 c) Defining the Auto-Call option within the Edit Remote Site menu of this remote site profile. (The Auto-Call option causes the P2600 to attempt to establish a connection to this remote site profile each time the P2600 starts up.)

  • Page 46: Configure Remote Site Profile For Frame Relay

    If during this learning process the maximum number of remote sites has been reached, the P2600 will prompt you that there are no remote sites available. A new remote site cannot be auto-created unless one of the existing remote sites is manually deleted.
  • Page 47 Applications Each Remote Site PVC must be defined to exist on one of the fourteen physical links available on this P2600. Primary Link Location: Main Configuration WAN Set up Remote Site Set up Edit Remote Site Connection Set up Primary Link The Primary Link value defines to which of the fourteen physical links that this PVC will be assigned.
  • Page 48 Connection Protocol setting must be disabled within the appropriate sub-menu. For example; if an IPX only connection is to be established, the Bridging and IP parameters must be disabled so that the P2600 does not negotiate the Bridge or IP Connection Protocols on the connection.

  • Page 49: Configure Remote Site Profiles For Leased Line Ppp

    PPP router must be the same to allow for proper operation. The following steps must be performed on the P2600 in order to define a new remote site profile. Remote Site Profile ID & Alias...
  • Page 50 Now that the remote site profile is created, a link number must be assigned as the primary link number. The primary link number is the link interface that the P2600 will use to attempt to establish a connection to the remote site PPP router.

  • Page 51: Configure Remote Site Profiles For Frame Relay With Isdn Backup

    Applications Configure Remote Site Profiles for Frame Relay with ISDN backup Frame Relay operation is set up as described in section 2.3.2 The PVC on both partner routers must be disabled during this set up procedure, then re-enabled when ready to start. ISDN call set-up is done as described in section 2.3.1.

  • Page 52: Configure Remote Site Profiles For Pppoe

    Remote Site Profiles allow for the router to be configured to support PPP over Ethernet (PPPoE) client on the router. The PPPoE feature on the Perle routers provide a PPPoE client support on Ethernet interfaces to a bridging DSL modem to the Internet. This feature will create a PPP tunnel to an ISP located somewhere on the ATM network side of the xDSL modem.
  • Page 53 Applications Configuration WAN Set-up Remote Site Set-Up Edit Remote Site Protocol Set-Up IP Set-up NAT enabled enabled Access to some web pages is a common problem experienced when running a PPPoE client on a router. By design, PPPoE packets can support a maximum MTU of up 1492 bytes. Normally when a connection is established over common PPP, the TCP protocol negotiates its maximum data size using the mss option (default 1460).
  • Page 54 Applications Location: Main Configuration WAN Set-Up Remote Site Set-Up Security Set-Up Outgoing Username ISP provided username Outgoing PAP password ISP provided password Outgoing CHAP password (if required by ISP) ISP chap password To ensure that network traffic is routed to the PPPoE connection, the router must be configured to have the default IP gateway setup to your newly created PPPoE remote site connection.

  • Page 55: Advanced Features

    P2600’s LAN and supply the minimal configuration needed to allow hosts to operate in an IP network. The following steps must be performed on the P2600 to configure it as a DHCP server. DHCP Services...
  • Page 56 Applications DNS Set-Up Location: Main Configuration Application Set up DHCP Set-up DNS Set-up Primary DNS -IP address local DNS server Secondary DNS -IP address external DNS server Figure 2 -10 Local + External DNS Server Configuration The configuration options described here are only for initial set up and configuration purposes.

  • Page 57: Network Address Translation And Port Translation

    IP addresses to be sent to the Internet via the P2600 using a single global IP address. A global IP address must be assigned to the WAN link upon which NAPT is enabled for port translation to work. The global IP address will be assigned by the ISP.
  • Page 58 Applications Figure 2 -11 NAPT Configuration...

  • Page 59: Security

    The security may defined as none, PAP, or CHAP. When a security level is defined on this P2600, an entry for each remote site PPP router that may be connected to this P2600 must be placed in the security database. The security...
  • Page 60 PVC must be disabled to change the PPP encapsulation status, then re-enabled. The configuration options described here are only for initial set up and configuration purposes. For more complete information on all of the configuration parameters available please refer to the P2600 PPP Menus Reference Manual file on the accompanying CD-ROM.

  • Page 61: Configure Firewall

    The direction of filtering is from the perspective of the P2600; incoming traffic is from the network in question to the P2600, outgoing is from the P2600 to the network. The direction of filtering may be set to incoming, outgoing, both or none. Once the direction of filtering for a connection has been set, holes may be created in the firewall to allow specified traffic through.
  • Page 62 First the firewall on the ISP connection (remote site 1) of the WAN is set up. The firewall option is set to “inbound” to have this WAN firewall filter traffic from the ISP to the P2600 while allowing unrestricted access out to the Internet.
  • Page 63 — 195.100.1.20 The configuration options described here are only for initial set up and configuration purposes. For more information on all of the configuration parameters available please refer to the P2600 PPP Menus Reference Manual file on the accompanying CD-ROM.

  • Page 64: Network Address Translation

    Please see section 2.4.2 for more information on Network Address Translation. Filters The programmable filtering functions available on the P2600 provide a very powerful means Introduction to of controlling traffic flow to and from a network. Please see section 3 Filtering for details on how to set up various filtering operations.

  • Page 65: Bandwidth On Demand

    Applications Bandwidth On Demand The P2600 may be set to activate its secondary link when the load on the primary link exceeds a user-defined threshold. Set the traffic loads for enabling and disabling the secondary circuit Location: Main Configuration WAN Set up...

  • Page 66: Qos - Priority Queuing

    Applications QOS - Priority Queuing Priority Queuing (PQ) allows the users to configure the router to allow specific traffic bound for an outgoing interface to be prioritized into high, medium, normal and low queues. Packets sent to the high priority queue are serviced first, followed by the packets on the medium queue and so on.
  • Page 67 Applications Location: Main Configuration Wan Set-up Remote Site Set-up Edit Remote Site Protocol Set-up LAN QOS Set-up Queuing Strategy Priority Priority List Number...

  • Page 68: Simple Network Time Protocol (Sntp)

    Additionally, the router can also be configured to support various time variations features such as local time zone and adjustments for daylight savings time. When the Perle router has SNTP enabled it will periodically send NTP packets to the NTP/SNTP server which will respond with the network time. The router will synchronize its internal clock with the response from the NTP/SNTP server.
  • Page 69 Applications IP Address (XXX.XXX.XXX.XXX) Secondary IP Address IP Address (XXX.XXX.XXX.XXX) Version The time zone and daylight savings time configuration is setup within the device setup menu. To configure for Eastern Standard Time (EST) and have daylight saving time implemented for this year only, implement the following steps: Location: Configuration Access Set-up...

  • Page 70: Introduction To Filtering

    Introduction to Filtering The P2600 provides programmable filtering which gives you the ability to control under what conditions Ethernet frames are forwarded to remote networks. There are many reasons why this might need to be accomplished, some of which are security, protocol discrimination, bandwidth conservation, and general restrictions.

  • Page 71: Pattern Filtering

    Bridge/Router, each of the frames received from the local LAN is passed on to the appropriate internal section of the P2600. The IPX frames are passed on to the IPX router, the IP frames are passed on to the IP router, and all other frames are passed on to the bridge.

  • Page 72: Popular Filters

    Shown here are some of the more commonly used pattern filters. Bridge Bridge pattern filters are applied to Ethernet frames that are bridged only. When the P2600 is operating as a router, all routed frames will be unaffected by the bridge pattern filters.

  • Page 73: Banyan

    IP router pattern filters are applied to IP Ethernet frames that are being routed. When the P2600 is operating as an IP router, all IP routed frames will be checked against the defined IP router pattern filters. IP routed frames are unaffected by the bridge pattern filters and the IPX router pattern filters.

  • Page 74: Appendix A Menu Trees

    The menu trees on the following pages are a graphical representation of the hierarchy of the built-in menu system of the P2600. Each of the menus are shown with the options of the menus being displayed below the specific menu name.

  • Page 75: Menu Tree

    Menu Tree MAIN ISDN Options software release: 61P6.06.xx Frame Relay Options Configuration 1] 1] 2] 2] Terminal Set-Up Device Set-Up Telnet Set-Up Access Set-Up Load FLASH Set-Up Console 1. Password 1. Terminal Set-Up menu 1. Terminal 1. Telnet access 1. Console (ZMODEM) 1.
  • Page 76 Continued from previous page Syslog Application Set-Up Firewall Set-Up NAT Exports SNMP Set-Up DHCP Set-Up 1. Syslog 1. Edit Services 1. Edit Community menu 1. LAN firewall setup menu 1. SNMP set-up menu 1. Server IP pool address menu 2. Syslog IP 2.

  • Page 77: Appendix B Octet Locations On Ethernet Frames

    Appendix B Octet Locations on Ethernet Frames This appendix provides octet locations for the various portions of three of the common Ethernet frames. When creating pattern filters these diagrams will assist in the correct definition of the patterns. The offset numbers are indicated by the numbers above the frame representations.

  • Page 78: Octet Locations On A Bridged Novell Netware Frame

    Octet Locations Octet Locations on a Bridged Novell Netware Frame ETHERNET Type Codes Type Code Description 0800 DOD IP 0801 X.75 Internet 0804 Chaosnet 0805 X.25 Level 3 0806 0807 XNS Compatibility 6001 DEC MOP Dump/Load 6002 DEC MOP Remote Console 6003 DEC DECNET Phase IV Route 6004...

  • Page 79: Octet Locations On An Ip Routed Tcp/Ip Frame

    Configuration Pages Octet Locations on an IP Routed TCP/IP Frame Octet Locations on an IPX Routed Novell Netware Frame...

  • Page 80: Octet Locations On A Bridged Xns Frame

    Octet Locations Octet Locations on a Bridged XNS Frame...

  • Page 81: Appendix C Servicing Information

    Main CPU Main System Memory 14 Port WAN Board Reset Switch Strap W5 Figure C-1 View of the P2600 Bridge/Router Main and Expansion Boards Main Board Strap Settings Strap 1 - 2 Position 2 - 3 Position Factory purposes only...

  • Page 82: Changing The Batteries

    Servicing Information Changing the Batteries The battery has an approximate lifetime of 5 years. Schedule replacement at some time less than this to ensure consistent performance. Both batteries should be replaced when one of the batteries is reported as low. CAUTION ! Danger of explosion if battery is incorrectly replaced.

  • Page 83: Changing Link Interfaces

    Important: Failure to disable module operation before changing WAN modules may cause damage to the P2600 and the WAN module. Remove the two screws securing the Link module to the rear of the bridge/router. Remove the Link module from the bridge/router. Be sure to grip the module only by the flange at the bottom of the metal panel.

  • Page 84: Performing A Hardware Reset

    Servicing Information Performing a Hardware Reset To do a full hardware reset (all configuration parameters cleared or set to defaults): Remove power from the bridge/router. Open the front and remove the main board. Remove the batteries to remove backup power to the memory. Re-install the batteries.
  • Page 85 Servicing Information Link Integrity OFF Link Integrity ON Figure C-3 Link Integrity Strap for 10BaseT Connector Re-install the battery board on the main board by installing the screw removed previously. Install the main board back in the bridge/router and close the front. Power up the bridge/router.

  • Page 86: Performing A Software Upgrade

    Servicing Information Performing a Software Upgrade Execute the Network (TFTP) command from the Load FLASH Set-Up menu. Enter “none” to connect locally or enter the remote site ID number or alias to connect to a remote site. Start the TFTP application to be used for transfers to the router. (The IP address of the router may be found in the Internet Set-Up menu.).
  • Page 87 Servicing Information In the following diagram of a cluster of routers, when upgrading the three routers in the diagram, the upgrade order should be Router C, then Router B, and finally Router A. A TFTP software load to Router C would be performed as follows: Using TFTP, get config.txt from each router and save.

  • Page 89: Appendix D Interface Pinouts

    Link Clocking Information All of the link interfaces on the P2600 act as DTE devices, this means that they may be directly connected to DCE devices (modems, etc.) with the DCE devices providing the clocking for the link. The link speed is controlled by the DCE device.

  • Page 90: Atl-Csu/Dsu Link Module Information

    The P2600 is currently produced with LXT CSU/DSU interface modules; however, the earlier model ATL CSU/DSU module is still compatible with the P2600 and may be used with it. Note that ATL master mode signaling is not compatible with the current standard 64K master mode signaling; therefore, for back to back connections, an ATL unit will only operate at 64K when connected to another ATL unit.

  • Page 91: Csu/Dsu Module

    Servicing Information CSU/DSU Module: The CSU/DSU interface module uses a standard RJ45 service connector, pinout specification RJ48S. CSU/DSU Figure D-2 Rear View of the CSU-DSU Connector The LXT411 CSU/DSU link connection is set to operate at 64 Kbps by default. The link may be set to 56 Kbps via the software menus if required.

  • Page 92: T1/E1 Module

    Servicing Information T1/E1 Module: The T1/E1 interface module use a standard RJ45 service connector, pinout specification RJ48C. T1/E1 LINE Figure D-3 Rear View of the T1/E1 Connector When two T1/E1 routers are to be connected in a back to back set-up, a null-modem crossover cable used for the connection.

  • Page 93: Console Pinouts

    The connecting cable must be a shielded cable. When connecting the P2600 console directly to a modem, a null modem cable must be used because both the P2600 console and the modem are DCE devices. A null modem cable with pinouts according to the following figure must be used.

  • Page 94: V.24 & Rs232C Link Pinouts

    Servicing Information V.24 & RS232C Link Pinouts The connector shown here and pinouts described here correspond to the connector labeled “RS232 / V.24” on the back of the P2600. DB25 Female DTE Contact CCITT Circuit Circuit Direction Number Circuit Name...

  • Page 95: V.11/X.21 Link Pinouts

    Servicing Information V.11/X.21 Link Pinouts The connector shown here and pinouts described here correspond to the connector labeled “V.11/x.21” on the back of the P2600. DB15 Female DTE X.21 Direction Contact Circuits Circuit From Number Reference Name DCE DCE Protective Ground...

  • Page 96: Rs442 & Rs530 Link Pinouts

    Servicing Information RS442 & RS530 Link Pinouts The connector shown here and pinouts described here correspond to the connector labeled “RS530” on the back of the P2600. DB25 Female DTE Direction Contact Circuit From Number Circuit Name DCE DCE Shield...

  • Page 97: V.35 Link Pinouts

    Servicing Information V.35 Link Pinouts The connector pinouts described here correspond to the connector labeled “V.35” on the back of the P2600. DB25 M.34 Direction Contact Contact Circuit From Number Number Name DCE DCE Protective Ground ---------- ---------- Request to Send...

  • Page 98: Rs232 Null-Modem Cable Configuration

    Servicing Information RS232 Null-Modem Cable Configuration DB25 MALE DB25 MALE Shield Shield Transmitted Data Received Data Received Data Transmitted Data Data Set Ready Request To Send Data Set Ready Request To Send DTE Ready Received Line Signal Detector (CD) Signal Ground Signal Ground Received Line Signal Detector (CD) DTE Ready...

  • Page 99: V.35 Null-Modem Cable Configuration

    Servicing Information V.35 Null-Modem Cable Configuration DB25 MALE DB25 MALE Protective GND Protective GND Received Data (A) Transmitted Data (A) Received Data (B) Transmitted Data (B) Transmitted Data (A) Received Data (A) Transmitted Data (B) Received Data (B) Receiver Signal Element Timing (A) Transmitter Signal Element Timing (A) Receiver Signal Element Timing (B) Transmitter Signal Element Timing (B)

  • Page 100: Rs530 Null-Modem Cable Configuration

    Servicing Information RS530 Null-Modem Cable Configuration DB25 MALE DB25 MALE Shield Shield Received Data (A) Transmitted Data (A) Received Data (B) Transmitted Data (B) Transmitted Data (A) Received Data (A) Transmitted Data (B) Received Data (B) DCE Ready (A) Request To Send (A) DCE Ready (B) Request To Send (B) Clear To Send (A)

  • Page 101: Rs530 To Rs449 Conversion Cable

    Servicing Information RS530 To RS449 Conversion Cable DB25 MALE DB37 MALE/FEMALE Transmitted Data (A) Transmitted Data (B) Received Data (A) Received Data (B) Received Line Signal Detector (A) Received Line Signal Detector (B) Data Set Ready (A) Data Set Ready (B) Request to Send (A) Request to Send (B) Clear to Send (A)

  • Page 102: V.11/X.21 Null-Modem Cable Configuration

    Servicing Information V.11/X.21 Null-Modem Cable Configuration Figure D-14 V.11/X.21 Null-Modem Cable The connecting cable must be a shielded cable. Circuits which are paired (contain an (A) and (B) reference) should be connected to twisted pairs within the connecting cable. This cable is needed when it is necessary to connect two units back-to-back and a set of modems is not available.

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