D-Link DI-2000, DI-2004, DI-2006 User Manual
D-Link
DI-2000 Series Routers
User Manual
First Edition (December 2004)
Building Networks for People
content
Table of Content
Chapter 1 Introduction of Function.......................................................................................................................................1
1.1 Support a variety of protocols................................................................................................................................1
1.1.1 Suitable for a variety of network environments.........................................................................................1
1.1.2 Support the Ehernet Protocol and ARP protocol.......................................................................................1
1.1.3 Variety of WAN protocols ..........................................................................................................................1
1.1.4 TCP/IP protocols on the network layer......................................................................................................3
1.1.5 multiple dynamic routing protocols on IP ..................................................................................................4
1.1.6 the network management protocol SNMP version1 & 2............................................................................4
1.1.7 TELNET.....................................................................................................................................................4
1.1.8 asynchronous transfer of file protocol Z-MODEM.....................................................................................4
1.1.9 NAT...........................................................................................................................................................4
1.2 Friendly User Interface..........................................................................................................................................5
1.3 Strong Backup Capability......................................................................................................................................5
1.4 Perfect Detection and Management Tools.............................................................................................................5
1.4.1 Supports multiple login deployment methods:...........................................................................................5
1.4.2 Supports saving current deployment.........................................................................................................6
1.5 Complete Security.................................................................................................................................................6
1.6 Integration of Switching and Routing.....................................................................................................................6
1.7 Convenient Update................................................................................................................................................6
Chapter 2 Introduction of the DI-2004 router........................................................................................................................7
2.1 Exterior Specification of the DI-2004 Router.........................................................................................................7
2.1.1 Appearance of the router...........................................................................................................................7
2.2 Hardware Technical Specifications........................................................................................................................8
2.3 Port Connection Specification...............................................................................................................................9
2.3.1 PIN description of each port on the DI-2004.............................................................................................9
2.3.2 External connection Specification of Ports..............................................................................................12
Chapter 3 Introduction of the DI-2006 Router.....................................................................................................................15
3.1 Overview .............................................................................................................................................................15
3.1.1 ISDN BRI interface..................................................................................................................................15
3.1.2 WAN interface.........................................................................................................................................15
3.1.3 Ethernet port...........................................................................................................................................15
3.1.4 Console port............................................................................................................................................15
3.1.5 Processor................................................................................................................................................16
3.1.6 Memory...................................................................................................................................................16
3.1.7 Features..................................................................................................................................................16
3.2 Exterior Specification of the DI-2006...................................................................................................................17
3.2.1 Exterior Specification ..............................................................................................................................17
3.3 Port Connection Specification.............................................................................................................................18
3.3.1 PIN Specification of Ports .......................................................................................................................18
3.3.2 External connection Specification of Serial Ports on the DI-2006...........................................................19
Chapter 4 Installation of the Routers..................................................................................................................................23
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content
4.1 Installation Specification......................................................................................................................................23
4.2 Mount the Routers in a Standard Rack...............................................................................................................23
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DI-2000 Series Routers hardware installation manual
Chapter 1 Introduction of Function
1.1 Support a variety of protocols
1.1.1 Suitable for a variety of network environments
The DI-2000 series of routers is suitable for a variety of network environments.
The DI-2000 series complies with the requirement about routers in IETF RFC1812 and
supports most network protocols: X.25, FR, synchronous/asynchronous PPP, SLIP,
HDLC, Ethernet, IP, ICMP, TCP, UDP, OSPF, RIP(version 1&2) ,SNMP(version 1&2),
TELNET, ARP, Inverse ARP,Z-MODEM. The DI-2000 series supports the
interconnection of X.25 network, Frame Relay, DDN, telephone network and LAN, and
is operational with software and hardware network equipment provided by other
makers. The series include three types:
The DI-2004 has two synchronous ports.
The DI-2006 is the ISDN router.
1.1.2 Support the Ehernet Protocol and ARP protocol
Provides interfaces of TP(twisted pair) RJ45 interface and thicknet AUI interface, and
support the Ehernet Protocol and ARP protocol.
1.1.3 Variety of WAN protocols
Supports a variety of WAN protocols, including X.25, Frame Relay, HDLC, PPP and
SLIP.
1. X.25
The x.25 protocol defines remote access and computer communication between data
terminal equipment (DTE) and data circuit-terminating equipment (DCE). Among that, it
mostly defines the lowest three layers of the OSI reference model: physical, data-link,
network. The DI-2000 series complies with ITU-T 1988 X.25 and provides the following
functions:
LAPB provides reliable transfer of data between DCE and DTE.
X.25 supports switched virtual circuits (SVCs) and permanent virtual circuits
(PVCs). It establishes the simultaneous connection with more than one terminal
device with X.121 address and PVC number.
Supports interconnection with the public packet-switching network, and direct
connection with router devices and network cards.
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DI-2000 Series Routers hardware installation manual
Supports the encapsulation of the upper protocols on X.25, such as IP.
Supports switching between SVCs or PVCs of each synchronous port. The
DI-2000 series can be as X.25 small packet switches, also can connect multiple
X.25 devices through a special line connected with the public packet switching
network.
Supports X.32. The series can connect with the public packet switching network
by synchronous dialing.
Provides the packet assembler/disassembler (PAD) function. The series
complies with ITU-T X.3,X.28 and X.29, and can offer X.25 access service for
non-X.25 terminal.
Supports all X.25 optional businesses.
Supports the IP access over X.28.
2. Frame Relay Protocol
Frame Relay protocol is a fast packet switching technology to improve data
volume by simplifying the data-link layer and network layer. The DI-DI-2000
series mostly provides the following functions:
Supports three types of general Frame Relay local management interface(LMI),
including ITU-T Q.933 Annex A, ANSI T1.617 Annex D and Group of Four Frame
Relay interface standard.
Supports two general frame encapsulation formats, including ITU-T Q.922 Annex
A and ANSI T1.618.
Supports the interconnection with the Frame Relay backbone network and direct
connection with router devices and network cards.
Supports the encapsulation of the upper protocols in Frame Relay, such as IP.
The series complies with RFC1294 and RFC 1490, and can identify the special
encapsulation format of Cisco routers.
Supports Inverse ARP described in RFC1293 and allow to detect the IP address
map of virtual circuit dynamically.
Supports congestion control and comply with ITU-T I.370 and ITU-T Q.922
Appendix I. The series can increase or decrease data volume over ports
according to network congestion status.
Support Frame Relay switching between each synchronous port on the data-link
layer as Frame Relay switches. The series can also connect multiple FR devices
through a special line connected with a Frame Relay backbone network.
3. PPP protocol
PPP protocol provides multi-protocol transmit of data-packet on the point to point
link. The DI-2000 series have the following functions:
Complies with RFC1661 and supports link control protocol(LCP) to establish,
configure and test data link.
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DI-2000 Series Routers hardware installation manual
Complies with RFC1662 , supports the encapsulation of IP and other upper
protocols above PPP and realizes IPCP in network control protocols(NCPs).
Complies with RFC1334, and supports two general authentication protocols,
including PAP and CHAP.
Complies with RFC1144, and supports TCP/IP header compression to improve
effective data volume.
Provides wide option control to suit conditions as much as possible. The series
supports interconnection to all network devices and hosts on PPP protocol.
Supports synchronous and asynchronous PPP protocol.
Supports the callback feature to provide higher security.
Supports the radius protocol, including user Authentication, Authorization and
Accounting when the routers are as dialing servers. User information is stored in
a host computer which communicates with routers on RADIUS protocol.
4. SLIP protocol
SLIP protocol is a packet-framing protocol. It defines a sequence of characters that
frame IP packets on a serial line. It is used for point-to-point serial connections running
TCP/IP.
SLIP complies with RFC1055 and TCP/IP header compression in RFC1144. It
supports interconnection with all network devices and hosts on SLIP protocol.
5. HDLC protocol
HDLC is a packet-framing protocol. It defines a link encapsulation of IP packet on a
synchronous line. It is used for point-to-point serial connections running TCP/IP.
HDLC is commonly used in DDN lines. It possesses simple and efficient features.
1.1.4 TCP/IP protocols on the network layer
Supports TCP/IP protocols on the network layer, and realize IP, ICMP, TCP, UDP and
other protocols.
Realizing IP protocol complies with RFC791. The series supports all IP options, and
static routing and dynamic routing seeking address.
Realizing ICMP complies with RFC792 and RFC950.
Realizing TCP complies with RFC793 to provide a reliable transmit of data connection
mechanism.
Realizing UDP complies with RFC768 to provide an unreliable data transmission
connection mechanism.
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DI-2000 Series Routers hardware installation manual
1.1.5 multiple dynamic routing protocols on IP
Supports multiple dynamic routing protocols on IP.
The series supports the
Open Shortest Path First
(OSPF) protocol and dynamic
routing protocol (version 1 & 2). The series achieves own BIGP protocol in order to
connect with EICRP of Cisco.
OSPF is an interior gateway protocol, used in the interior autonomous system to
realize a dynamic self-adjustment. With little bandwidth occupied. Realizing OSPF
complies with RFC1583.
RIP is also an interior gateway protocol. It belongs to distance-vector arithmetic
seeking-address protocol. Version 1 complies with RFC1058, and version 2 complies
with RFC1721, RFC1722 and RFC1723, supporting triggering update and “split
horizon with poison reverse” to speed the convergent process.
1.1.6 the network management protocol SNMP version1 & 2
Supports the network management protocol SNMP version1 & 2
SNMP(Simple Network Management Protocol) is the most widely used network
management protocol. Version 1 complies with RFC1157and RFC1213. Version 2
complies with RFC1904, RFC1905, RFC1906, RFC1907 and RFC1908, and supports
multiple MIBs related with protocol modules.
1.1.7 TELNET
Supports TELNET.
TELNET is a remote login protocol. It allows programs in local devices to access
resources in remote devices and deploy routers remotely. It complies with RFC854 and
RFC855.
1.1.8 asynchronous transfer of file protocol Z-MODEM
Supports the asynchronous transfer of file protocol Z-MODEM.
The protocol is used for deploying download and upload of files, and downloading
routers’ software Updates.
1.1.9 NAT
Supports NAT.
NAT(Network Address Translation) means network IP address translation. NAT is
designed to solve increasing lack of IP, mapping multiple interior addresses to a few or
even one public Internet address. At the same time, it helps hide the interior network
structure to improve security.
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DI-2000 Series Routers hardware installation manual
1.2 Friendly User Interface
The DI-2000 series provides interfaces in English and Chinese with clear deployment,
each command of which is provided with the online help in English and Chinese.
The manual provides each command with details and examples in Chinese along with
complete malfunction analysis description.
1.3 Strong Backup Capability
The DI-2000 series of routers supports dynamic routing protocols to achieve automatic
backup. These solutions are generally designed to run the dynamic routing protocol in
the master line. When the master line disconnects, the routers switches to backup
lines automatically because of receiving nothing of routing information.
The above solution adds system load, so the DI-2000 series also supports dynamic
transmission according to demand, which doesn’t run the dynamic routing protocol with
the master routing effective until the routers switch to backup lines.
To further save communication spending, the DI-2000 series can detect the connection
status of the master line automatically through static routing to achieve automatic
switching between the master line and the backup lines.
1.4 Perfect Detection and Management Tools
Each communication protocol support multiple different-level trace functions with
complete real-time network trace information to help to analyze reasons of network
malfunctions.
Classified statistic and status information help to know performance and operating
status of networks clearly.
Support Simple Network Management Protocol(SNMP) with a variety of network
management applications (such as OpenView) monitoring routers.
1.4.1 Supports multiple login deployment methods:
Deploys on Console ports
Logins and deploys on Serial ports
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DI-2000 Series Routers hardware installation manual
Logins and deploys through TELNET
Logins and deploys through PAD(X.29)
Logins and deploys through remote dialing
1.4.2 Supports saving current deployment
It can be used in similar deployment to network deployment, and save malfunction
spots to help support the engineer to discover and solve malfunctions.
1.5 Complete Security
The series adopts a perfect firewall and IP packet-filtering technology to check network
address, ports, or protocol types strictly.
The series achieves PAP and CHAP on PPP, and also achieves callback capability,
which improves secure reliability while communicating.
The series sets multi-level check of password capability ensures security of router
deployment.
1.6 Integration of Switching and Routing
The series can also be small packet-switching switches with switch capability when
synchronous ports are deployed on X.25. Then, on the same router both routing and
switching capability are achieved, which offer more strong capability and protect former
investment in X.25.
The routers have switch capability when synchronous ports are deployed on FR
protocol. Then, the routers support the Frame Relay switch of each synchronous port
on the data link layer as the Frame Relay switches. The routers can connect multiple
FR devices through a special line connecting to the Frame Relay backbone network.
1.7 Convenient Update
(1) Supports asynchronous transfer of files protocol Z-MODEM
The series supports downloading updated versions of all operational systems
supporting Z-MODEM protocol(such as Windows 95, Windows NT, UNIX and
DOS) through Console ports or synchronous ports.
(2) The series supports downloading software updates on X.25 through each
synchronous port.
(3) Supports downloading new software versions from the servers.
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DI-2000 Series Routers hardware installation manual
Chapter 2 Introduction of the DI-2004 router
2.1 Exterior Specification of the DI-2004 Router
2.1.1 Appearance of the router
1. The indicator distribution and specification of the front panel
Figuer 2-1 Front Panel of the DI-2004
2. The specification of the rear panel
Figuer 2-2 Interface Distribution on Rear Panel of the DI-DI-2004
Switches and interfaces on the rear panel of the DI-2004 are shown in Figuer 2-2. The
specific meanings are in the followingTable 2-1.
Table 2-1 Component Functions on Rear Panel of the DI-DI-2004
Number Symbol Name Comment
1 Power Switch Push-up is on, and push-down is off
2 AC plug
3 Power
Data
Link
Indicator
From the top down, they are the power indicator, the
Ethernet data transfer indicator and the Ethernet
twisted-pair(TP) link interface indicator.
4 TP Ethernet TP port Connect LAN(Ethernet) through the port with TP
5 Console Console Port
Connect to terminals through the port to monitor and
deploy routers; the used line is the special Console
cable, and you can see connection specification in
Charter 2.3 “Port Connection Specification”.
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DI-2000 Series Routers hardware installation manual
6 Serial 0 Serial port 0
Connect to synchronous or asynchronous Modem.
The used line is the special monitoring cable, and
you can see connection specification in Charter 2.3
“Ports Connection Specification”.
7 Serial 1 Serial port 1
Connect to synchronous or asynchronous Modem.
The used line is the special monitoring cable, and
you can see connection specification in Charter 2.3
“Port Connection Specification”.
2.2 Hardware Technical Specifications
Table 2-2 Hardware Technical Specifications of the DI-2004 Router
Port amount
2 ports
The physical
layer protocols
V.24/V.28; RS232-D X.21bis; V.35；
RS422/RS449；
Port rate
Synchronization: RS-232 with a
maximum speed of 64Kbps; V.35
with a maximum speed of 2Mbps;
asynchronism:a maximum speed of
115Kbps.
Port protocols
X.25， X.32， FR， HDLC、SLIP，
PPP， ZMODEM*
Serial port
Physical
interface
high density jack with 44 pins and 3
rows
Port amount
1
Port Rate
10Mbps
Port protocols
The Ethernet protocol(IEEE 802.3)
Ethernet port
Physical
interface
TP port： RJ45
Port number
1
Physical layer
protocols
V.24/V.28; RS232-D; X.21bis
Port rate
9600bps
Port protocol
ZMODEM*
Port
Features
Console port
Physical
interface
RJ45
CPU
Motorola MC68EN360 33MHz
EPROM
256Kbyte
Flesh Memory
1-2Mbyte
Memory
DRAM
8Mbyte
Dimensions
341mm×248mm
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DI-2000 Series Routers hardware installation manual
Operating temperature
0℃ to 40℃
Nonoperating temperature
-20℃ to 65℃
Operating relative humi dity
10% to 85% noncondensing
Nonoperating relative humidity
5% to 95% noncondensing
Power
Input voltage：170 to 264 V；input frenquency :47
to 63Hz；input current: 0.2A/230V
Power dissipation
28W
Notice：
Protocols with * are supported only in system Console status.
2.3 Port Connection Specification
The DI-2004 router has two serial ports and one Ethernet port.
2.3.1 PIN description of each port on the DI-2004
1. The Serial Ports of the DI-2004 Router
The DI-2004 router has two serial ports. The jacks are three rows, 44 pins and high
density. The ports have the same PIN description. They can be deployed to be
synchronous or asynchronous methods, so they can connect to synchronous
MODEM(such as TAINET T-1496) or asynchronous MODEM(such as 3Com USR) for
entering special network. For synchronous method, the DI-2004 router also support
the physical protocol of V.35, capable of connecting to baseband MODEM(such as
ASCOM AM64000A ) with a maximum speed of 2Mbps to achieve the high-speed
access goal.
PIN Description of Serial Ports on the DI-2004 is shown as the following table:(PIN in
the table and figure is signed on corresponding location of the jack)
Table 2-3 PIN Description of Serial Ports
PIN Name Symbol Comment
1 Receive Clock RCLK Used for choosing V.28 or v.35
2 Transmit Clock TCLK Used for choosing V.28 or v.35
3 Transmit Data J_TXD
DTE→DCE; used for V.28
4 Receive Data J_RXD
DTE←DCE; used for V.28
5 Output Clock CLK232
DTE→DCE; used for V.28
6 Data Set Ready J_DSR
DTE←DCE; used for both V.28 and V.35
7 Clear To Send J_CTS
DTE←DCE; used for both V.28 and V.35
8 Transmit Clock (negative) TXC-
DTE←DCE; used for V.35
10 Receive Clock(negative) RXC-
DTE←DCE; used for V.35
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DI-2000 Series Routers hardware installation manual
11 External Receive Data RXDB Used for selecting V.35
13
Express Clock Output within A group
(negative)
ECLKA-
DTE→DCE; used for V.35
14
Express Clock Output within B group
(positive)
ECLKB+
DTE→DCE; used for V.35
16 External Receive Clock RXCA Used for selecting V.28
17 External Transmit Clock TXCA Used for selecting V.28
18 Internal Receive Data RXD Used for selecting V.28 or V.35
21 Carrier Detect J_CD
DTE←DCE; used for both V.28 and V.35
22 Request To Send J_RTS
DTE→DCE; used for both V.28 and V.35
23 Transmit Clock (positive) TXC+
DTE←DCE; used for V.35
24 Receive Clock RXCB Used for selecting V.35
26 Receive Data (positive) RXD+
DTE←DCE; used for V.35
27
Express Clock Output within A group
(positive)
ECLKA+
DTE→DCE; used for V.35
29
Express Clock Output within B
group(negative)
ECLKB-
DTE→DCE; used for V.35
30 Transmit Data TXD-
DTE→DCE; used for V.35
31 Receive Clock J_RXC
DTE←DCE; used for V.28
32 Transmit Clock J_TXC
DTE←DCE; used for V.28
33 Receive Data RXDA Used for selecting V.28
35 Data Terminal Ready J_DTR
DTE→DCE; used for both V.28 and V.35
36 Signal Ground SG Public signal ground of DTE and DCE
37 Transmit Clock TXCB Used for selecting V.35
39 Receive Clock (positive) RXC+
DTE←DCE; used for V.35
41 Receive Data (negative) RXD-
DTE←DCE; used for V.35
44 Transmit Data (positive) TXD+
DTE→DCE; used for V.35
Notice：
Other idle PINs should be connected to Signal Ground.
2. The Console port
The DI-2004 router has a Console port with the RJ45 jack. The port is connected to
terminals (such as STAR-510G
+
) or serial ports of PC with the special Console cable,
then terminal emulate software can be used to deploy and monitor the DI-2004 router.
Console PIN distribution is shown as:
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