Computone IntelliServer RAS 2000 Installation instructions

IntelliServer RAS 2000 TM
PowerRack
Hardware Guide
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Copyright © 1999, Computone Corporation. All rights reserved. Printed in U.S.A.

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FCC Statement:Thisequipment has beentested and found to comply with the limits ofa ClassA device, pursuant to Part 15
of the United StatesFCC regulations. These limits are designed to provide reasonable protection against harmfulinterference when
the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy,
and if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to
correct the interference at his own expense.
There is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference
to radio or television reception (which can bedetermined by turning the offendingequipment off and then on), you are encouraged
to try to correct or remove the interference using one or more of the following methods: (a) reorient or relocate the receiving an-
tenna; (b) increase the separation between the equipment and the receiver; (c) connect the equipment to an outlet on a circuit dif-
ferent from that of the receiver; (d) consult the dealer or an experienced radio/television technician for assistance.
Industry Canada Statement:“This Class A digitalapparatus meets all requirements of the Canadian Interference Causing
Equipment Regulations.”
“Cet appareil numérique (de la classe A) respecte toutes les exigences du Règlement sur le materiél brouilleur du Canada.
Support Information: If you require technical support, contact your Computone dealer or Computone Technical Support.
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IntellIServer RAS 2000 PowerRack Hardware Guide P/N: 0-13086, Rev -

RAS 2000 PowerRack Hardware Guide iii
CHAPTER 1 Introducing the
RAS 2000 PowerRack 1-1
Welcome to the RAS 2000 PowerRack 1-4
RAS 2000: Highest Performance and Rack-Mount Convenience 1-5
Flexibility and Speed 1-5
RADIUS and RIP Support Features 1-5
Easy To Install 1-6
CHAPTER 2 Hardware & Installation Overview 2-1
Important Notices 2-1
Unpacking and Inspection 2-2
Hardware Overview 2-3
Selecting the Line Voltage 2-5
Installing the RAS 2000 PowerRack 2-6
Desk Top Mounting 2-6
Rack Mounting 2-6
Contents

Contents
iv RAS 2000 PowerRack Hardware Guide
Adding Serial Ports 2-7
Where to Install Additional REX Cards 2-7
Labeling the Ports 2-8
Installing Serial Cards 2-8
Local Network Connection 2-10
CHAPTER 3 RAS 2000 PowerRack Serial Cabling 3-1
RAS 2000 PowerRack RJ-69 10-Pin Connectors 3-2
PowerRack RJ-69 10 Pin Connectors, (continued) 3-3
Using Standard and Custom Cables 3-4
Computone Standard Cables 3-4
Guidelines for Custom Built Cables 3-7
Pin-out Guidelines for DCE Devices 3-7
Pin-out Guidelines for DTE Devices 3-7
Cable Selection Guidelines 3-7

RAS 2000 PowerRack Hardware Guide Page 1-1
CHAPTER 1 Introducing the
RAS 2000 PowerRack
The RAS 2000 PowerRack (RAS 2000) is the newest member of Computone’s
IntelliServer family of high performance network access servers. It provides
remote access with up to 64 high-speedasynchronous serial ports and provides lo-
cal access through standard Ethernet network connections.
The RAS 2000 has many features that are especially valuable to larger
remote-access providers. These include:
• Up to 64 PPP/SLIP connections
• 19” rack mount or table-top installation
• Serial Line speeds up to 921,600 baud
This manual is divided into three parts:
• Chapter 1 gives an overview of the RAS 2000 PowerRack and its
features.
• Chapter 2 explains how to unpack and install the RAS 2000 PowerRack
hardware.
• Chapter 3 shows how to connect modems, terminals, printers, and other
serial devices to the RAS 2000 PowerRack.

Page 1-2 RAS 2000 PowerRack Hardware Guide
Table 1-1 provides a software feature comparison between the RAS 2000 Power-
Rack and the PowerRack.
Table 1- 1. Software Feature Comparison
Parameter RAS 2000 PowerRack PowerRack
Net Booting Unique boot file Unique boot file
Version No. "RAS 2000 PowerRack" "Computone IntelliServer
PowerRack"
Configuration File Unique file,
upward compatible Unique file
TFTP site load Yes Yes
Flash Loading Yes No
NVRAM Layout Unique, upward
compatible Unique
NT RAS Yes No
Protocols & Extensions
PPP Yes Yes
TCP/IP Yes Yes
SLIP/CSLIP Yes Yes
ARP/RARP Yes Yes
DNS Yes Yes
BOOTP Yes Yes
TFTP Yes Yes
RADIUS/RIP Yes Yes
rlogin Yes Yes
telnet, telnetd Yes Yes
REVERSE telnet Yes Yes
REMOTE CONSOLE No No
ping Yes Yes
rcp/rsh Yes Yes
ROTARY LINES Yes Yes
IP PACKET FILTERING Yes Yes
SUBNET ROUTING Yes Yes
CHAP/PAP Authentication Yes Yes

RAS 2000 PowerRack Hardware Guide Page 1-3
Table 1-2 provides a hardware feature comparison between the RAS 2000
PowerRack and the PowerRack.
Notes:
1) When getting upgrades from our FTP site, examinethe file names and descriptions to
ensure you download the correct software.
2) You cannot save a configuration to a host and then restore it to a different model of
IntelliServer. If you attempt to do this, the IntelliServer will report an error, "Bad Magic
Number" which means that the file you are attempting to restore the configuration from
is not in the proper format.
Table 1- 2. Hardware Feature Comparison
Parameter RAS 2000 PowerRack PowerRack
Cabinet 19 in. rack/table top mount 19 in. rack/table top mount
Engine Card RISC-860 RISC-440
CPU Speed 60 MHz 20 MHz
RAM 8 MB 4 MB
ROM 1 MB 512 KB
Connectors AUI & 10BASE-T AUI & BNC
REX Cards REX-16RJ-232 REX-16RJ-232
Connectors RJ-45 RJ-45
Cables
Modems,
ISDN terminal
adapters &
DCE devices
VP-RJ-BD/M Cable VP-RJ-BD/M Cable
Terminals,
Printers, &
DTE devices
VP-RJ-DB/T Cable VP-RJ-DB/T Cable
Notes:
Table 1- 1. Software Feature Comparison
Parameter RAS 2000 PowerRack PowerRack

Page 1-4 RAS 2000 PowerRack Hardware Guide
Welcome to the RAS 2000 PowerRack
The RAS 2000 PowerRack is an expandable asynchronous communications serv-
er that includes a long list of standard features and extensive protocol support. It
combines the functionality of a high-performance terminal server with the extend-
ed capabilities of a communications server.
The RAS 2000 extends your corporate network to remote users worldwide. Net-
work users can now work anywhere and gain access for your network, remote cli-
ent access, multi-user host access, and remote office access. In addition, it
provides high performance, scalability from 16 to 64 serial lines, full protocoland
feature support (see Table 1-1), and an easy-to-use design.
The RAS 2000 PowerRack provides:
•Transparent remote access to Ethernet LANs
•Easy access to INTERNET services
•TCP/IP traffic routing using the industry standard PPP protocol
•PC clients with dial-in access into the network for shell, telnet, or rlogin
access
•Industry standard TCP/IP client software such as available in Windows95,
Windows NT Workstation, UNIX, Windows 3.x and Macintosh with third
party PPP client software
•Easy-to-use dial-up router functionality for serial connection to a home
office, INTERNET services, or dial-in/dial-out modem accesses for remote or
branch offices

RAS 2000 PowerRack Hardware Guide Page 1-5
RAS 2000: Highest Performance and Rack-Mount Convenience
The new PowerRack provides high performance with the convenience of an en-
closure that can be rack mounted or set on a table. Serial port bit rates up to 921.6
Kbps on all serial channels meet and exceed the most demanding throughput
requirements using V.34 modems and/or ISDN links.
The RAS 2000 PowerRack can be connected directly to a TCP/IP Ethernet LAN
or can be booted independently and operated as a stand-alone unit. It requires no
special operating system device drivers which simplifies upgrades and TCP/IP
host cross-platform connectivity.
Flexibility and Speed
The RAS 2000 is a compact, high-performance communications server complete
with a 32-bit MIPS-R3000 compatible CPU, 8 MB of RAM, resident multi-task-
ing operating system, and menu-driven interface. It supports all standard RS232
serial devices: terminals, PCs, printers, modems, bar code scanners, and POS
equipment.
Each connected serial device can communicate at baud rates of up to 921.6 Kbps
full-duplex. TheRAS 2000 also includes a utility that allows a UNIXnetworkhost
to access ports as if they were local tty devices. Modem ports can be used for both
dial-in and dial-out access, thus ending the requirementfor dedicatedinbound and
outbound modems. Sharedresources such as printers andmodemscan beassigned
to shared "hunt groups."
RADIUS and RIP Support Features
The RAS 2000's extensive protocol support includes rlogin, telnet, telnetd,
reverse telnet, RADIUS, RIP, plus a special IP Filtering feature that allows you to
define and regulate the flow of selected IP packets.
The standard feature list includes full PPP, SLIP, and CSLIP support, permitting
IP devices to be connected over an RS232 serial port at up to 921.6Kbps. This
offers an ideal solution for sites that wish to implement cost-effective remote
access, INTERNET access, and LAN-to-LAN interconnections.

Page 1-6 RAS 2000 PowerRack Hardware Guide
Easy To Install
TheRAS 2000 PowerRack is equippedwith16 serial portsand isexpandable with
threeadditional sixteen-portserial cards (REX-16RJ-232). These cards come with
integralfront panelsandprovidea total of64physical ports,96 login sessions, and
up to 64 PPP/SLIP connections. The serial cardsslide into chassis card guides and
are secured with frontpanel screw locks.All connections, except for the power ca-
ble, are conveniently located and visible from the front.
RAS 2000 units and expansion modules are easy to install and can be mounted on
a desk, floor, or rack. Surge/spike protection is standard on all transmit (TxD) and
receive (RxD) and data set signals.

RAS 2000 PowerRack Hardware Guide Page 2-1
CHAPTER 2 Hardware & Installation
Overview
This chapter gives an overview of the RAS 2000 PowerRack hardware and its
installation, including the following:
•Unpacking and inspection
•Hardware overview
•Line voltage selection
•Installing mounting hardware
•Adding serial ports
•Connecting
Important Notices
The following are important points:
•Read all installation instructions before connecting power
•Do not install in areas where the ambient temperature exceeds recommended
limits.The RAS 2000 PowerRack is designed for ambient temperatures in the
range of 10oto 35oCelsius (50oto 95oF).
•When installingthe RAS 2000 PowerRack in a rack enclosure, make sure you
do not create a hazardous situation due to uneven mechanical loading. The
PowerRack is not designed to support the weight of other equipment.
•The RAS 2000 PowerRack’s power cord contains a ground pin. Always plug
the power cord into a power receptacle which has a reliable earth ground. Do
not use extensions, power strips, and so on, unless they are also grounded.
DANGER: Electrical Shock Hazard. Grounding circuit continuity is vital for safe operation of
the RAS 2000 PowerRack. Never operate the RAS 2000 with grounding connec-
tor disconnected.

Page 2-2 RAS 2000 PowerRack Hardware Guide
Unpacking and Inspection
The RAS 2000 PowerRack is shipped with the following items:
•RAS 2000 PowerRack
•RAS 2000 Hardware Installation Guide (this book)
•RAS 2000 Configuration Guide
•RAS 2000 Read Me First card
•Warranty Registration card
•Power cord
•Cable - VP-RJ-DB/M (Cable ID 2-20121)
•Mounting accessory kit, which contains:
•(2) Rack mounting brackets
•(1) Sheet of labels
•(4) Black pan head Phillips screws (#6-32 1/4”)
•(4) Truss head screws (#4-40 5/16”)
•(4) Pan head Phillips screws (#M6x8)
•(4) Pan head Phillips screws (#10-32x1/2)
•(4) Black rubber feet
Please make sure you have everything on the above list. If you don’t, call your
Sales representative at Computone at 770-625-0000.
For rack installation, the black #6-32 pan head Phillips screws are used to fasten
therack mounting brackets to the PowerRack. Supplied also are the M6x8 screws
for mounting the PowerRack into your rack enclosure. Some enclosures use one
size and some use the other. For desk-top installation, the #4-40 screws are used
to secure the rubber feet to the bottom of the RAS 2000 PowerRack.

RAS 2000 PowerRack Hardware Guide Page 2-3
Hardware Overview
Figure 2-1 shows the RAS 2000 PowerRack front panel.
Figure 2-1. RAS 2000 Front Panel
1 RISC-866 Engine Card 7 Link
2 10 Base-T Connector 8 Status Indictor LED
3 AUI Connector 9 Status Indicator LED
4 Transmit LED 10 Serial Port Connector
5 Receive LED 11 REX Card Expansion Slot
6 Collision Detect 12 Activity Indicator LED
NOTE: The status LED functions are defined in the RAS 2000 Software Supplement.

Page 2-4 RAS 2000 PowerRack Hardware Guide
Figure 2-2 shows the RAS 2000 PowerRack back panel.
Figure 2-2. RAS 2000 Back Panel
As you can see from the front view in Figure 2-1, the RAS 2000 PowerRack has
five slots. The RISC-860 Engine card comes installed in the bottom slot (slot 0)
and must remain there. This card contains the RISC CPU and memory and has
the 10-Base-T and the AUI connectors to attach to your local Ethernet network.
The RISC-860 also hastwo status indicator lights (LEDs)which indicate whether
the RAS 2000 is operating normally or has encountered an error condition. The
meaning of the lights is the same as on other IntelliServer products and is
explained in the RAS 2000 Software Supplement. Generally, the lights flash green
during normal operation, yellow during power-on self-test, and red to indicate
hardware faults or other serious error conditions.
The remaining four slots are for REX Serial Interface cards, The first REX is
already installed next to the RISC-866 card. Each REX card contains 16 asyn-
chronous serial ports. Additional REX cards may be installed in the remaining
slots to support up to 64 ports. On the right side of each REX card is an activity
light which indicates when ports on that card are actively in use.
On the rear panel of the RAS 2000 PowerRack you will find the line voltage
selector switch, the main power on/off switch and a place to connect the power
cord.
1 Power receptacle
2 Line voltage selection switch
3 On/Off switch
4Productlabel

RAS 2000 PowerRack Hardware Guide Page 2-5
NOTE: The RAS 2000 PowerRack is designed to operate at ambient tempera-
tures in the range of 10o- 35oC (50o- 95oF).
Selecting the Line Voltage
The RAS 2000 PowerRack has a line voltage selector switch on the back of the
chassis, between the two power plug receptacles (see Figure 2-2).
NOTE: The switch is factory set for 115 VAC.
CAUTION: If you are using the RAS 2000 PowerRack with 220- 240 VAC, you MUST
switch to the 230V position. If you do not do this, you will cause permanent dam-
age to the RAS 2000 PowerRack. Damage resulting from failure to follow these
instructions is not covered under warranty.

Page 2-6 RAS 2000 PowerRack Hardware Guide
Installing the RAS 2000 PowerRack
You can install the RAS 2000 PowerRack in a 19-inch rack or on a desk top. To
mount it in a rack, attach the mounting brackets (mounting “ears”).
Desk Top Mounting
For desk top operation, attach rubber feet to the bottom of the unit. The mounting
accessory kit shipped with each RAS 2000 PowerRack contains mounting brack-
ets, rubber feet, and the screws needed for attaching them.
Figure 2-3. Installing the Mounting Feet
Rack Mounting
Attach each rack mount bracket to the RAS 2000 PowerRack using the
#6-32 1/4” black pan head Phillips screws for each bracket. Attach the brackets to
the front of the PowerRack or the back (see Figure 2-4). Some installers want the
Ethernet and serial cables to face the front of the rack enclosure and some want
them to the back. Install the brackets on the end that is to face the front.
1 Rubber foot
2#6-32 x1/4”black pan head Phillips screw

RAS 2000 PowerRack Hardware Guide Page 2-7
After the “ears” are attached to the RAS 2000 PowerRack, install the completed
assembly into your rack enclosure. Provided are both #10-32 1/2” and M6x8 pan
head Phillips screws. Use the size that fits your particular rack enclosure.
Figure 2-4. Attaching the Mounting Brackets
Adding Serial Ports
The RAS 2000 PowerRack comes with a RISC-866 Engine card installed in the
bottom slot (slot 0). A single REX serial interface card is also installed in slot 1.
This card has the first 16 serial ports and these ports are numbered 0 - 15. Addi-
tional REX cards are sold separately and you can install up to three more, for a
total of 64 serial ports.
Where to Install Additional REX Cards
The first additional REX serial interface card should be installed in slot 2, use
slot 3 for the next, and slot 4 for the final card. Figure 2-5 shows the card slots
and port numbers.
1 Pan head Phillips screw
2 Mounting bracket

Page 2-8 RAS 2000 PowerRack Hardware Guide
Figure 2-5. Card Slots and Port Numbers
It is possible to install REX cards in nonconsecutive slots. If you do this, the
ports are still numbered according to the slots you have used. For example, if
REX cards are in slots 1 and 3, with slot 2 empty, the RAS 2000 PowerRack is
recognizes ports 0-15 and 32-47. Ports 16-31 are not recognized. For safety rea-
sons, always keep unpopulated card slots covered with the card blank panels pro-
vided.
Labeling the Ports
On every REX card the ports come individually labeled 0-15, with port 0 on the
left and port 15 on the right. For slot 1 these port numbers correspond to the true
port numbers recognized by the RAS 2000 PowerRack For the remaining slots,
the marking on the port does not correspond to its real port number. Therefore, to
help you remember which ports on the additional REX cards correspond to which
port number, labels are provided in the accessory kit. The labels are marked
“PORTS 0-15”, PORTS 16-31”, and so on. On the front panel of each REX card
there is an oval outline on the left side. The labels are designed to fit these out-
lines.
Installing Serial Cards
Use the following procedure to install a REX Serial Interface card:
CAUTION: Possible Equipment Damage. Removing and installing cards while power is
applied can cause equipment damage.
1. Turn off the RAS 2000 PowerRack power using the switch on the back panel.

RAS 2000 PowerRack Hardware Guide Page 2-9
2. Ground yourself by touching the metal chassis of the PowerRack. This is
done to dissipate any static charge build-up your body may have. Static elec-
tricity can damage sensitive electronic components.
3. Remove a blank from panel from an available slot of the PowerRack by loos-
ening the two finger screws on the panel.
Figure 2-6. Removing the Card Blank
4. Slide the REX card into the chassis by inserting the card into the card guides.
When the card is completely inserted, you will feel some resistance as the
REX card’s connector plugs into the chassis backplane.
1Fingerscrew
2 Card blank
3Cardguide

Page 2-10 RAS 2000 PowerRack Hardware Guide
Figure 2-7. Installing the REX Serial Card
5. Secure the REX card to the chassis by tightening the screws are each side of
the front panel until they are finger tight.
6. Attach the port labels provided in the accessory kit.
End of Procedure
Local Network Connection
To connect the RAS 2000 PowerRack to your local Ethernet you use either the
10-Base-T or AUI connector on the Engine Card. To connect to the
10-Base-T network, you must supply the cable to plug into the RJ-45 connector.
To connect to the AUI connector requires the appropriate AUI transceiver and
cable, which you also must provide.
1Cardguide
2Fingerscrew