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Hardware Reference Manual
NETernity* RM921N / RM921ND
VME Managed Ethernet Switch, IPv6-Capable,
Layer 2/3+, 12/24 Port Gigabit, OpenWare* Switch
Management
Publication No. 597-0000000013-000 Rev. F
2NETernity* RM921N / RM921ND Hardware Reference Manual Publication No. 597-0000000013-000 Rev. F
Document History
Revision
Date
Description
D
November 2010
N/A
D.1
March 2016
Rebranded to Abaco format
E
September 2019
Added CoV in Appendix C
F
November 2019
Added updated CoV and added reference to RM921ND
Waste Electrical and Electronic Equipment (WEEE) Returns
Abaco Systems is registered with an approved Producer Compliance Scheme (PCS) and, subject
to suitable contractual arrangements being in place, will ensure WEEE is processed in
accordance with the requirements of the WEEE Directive.
Abaco Systems will evaluate requests to take back products purchased by our customers before
August 13, 2005 on a case by case basis. A WEEE management fee may apply.
Publication No. 597-0000000013-000 Rev. F About This Manual 3
About This Manual
Conventions
Notices
This manual may use the following types of notice:
WARNING
Warnings alert you to the risk of severe personal injury.
CAUTION
Cautions alert you to system danger or loss of data.
NOTE
Notes call attention to important features or instructions.
TIP
Tips give guidance on procedures that may be tackled in a number of ways.
LINK
Links take you to other documents or websites.
Numbers
All numbers are expressed in decimal, except addresses and memory or register
data, which are expressed in hexadecimal. Where confusion may occur, decimal
numbers have a “D” subscript and binary numbers have a “b” subscript. The prefix
“0x” shows a hexadecimal number, following the ‘C’ programming language
convention. Thus:
One dozen = 12D= 0x0C = 1100b
The multipliers “k”, “M” and “G” have their conventional scientific and engineering
meanings of x103, x106and x109, respectively, and can be used to define a transfer
rate. The only exception to this is in the description of the size of memory areas,
when “K”, “M” and “G” mean x210, x220 and x230 respectively.
In PowerPC terminology, multiple bit fields are numbered from 0 to n where 0 is the
MSB and n is the LSB. PCI terminology follows the more familiar convention that bit
0 is the LSB and n is the MSB.
Text
Signal names ending with “#” denote active low signals; all other signals are active
high. “-” and “+” denote the low and high components of a differential signal
respectively.
4NETernity* RM921N / RM921ND Hardware Reference Manual Publication No. 597-0000000013-000 Rev. F
Further Information
Abaco Website
You can find information regarding Abaco products on the following website:
LINK
https://www.abaco.com
Abaco Documents
This document is distributed via the Abaco website. You may register for access to
manuals via the website.
LINK
https://www.abaco.com/products/neternity-rm921n/p1222
NOTE
Technical literature describing components used on the RM921N is available from the manufacturers’
websites.
Technical Support Contact Information
You can find technical assistance contact details on the website Support page.
LINK
https://www.abaco.com/support
Abaco will log your query in the Technical Support database and allocate it a unique
Case number for use in any future correspondence.
Alternatively, you may also contact Abaco’s Technical Support via:
LINK
Returns
If you need to return a product, there is a Return Materials Authorization (RMA)
form available via the website Support page.
LINK
https://www.abaco.com/support
Do not return products without first contacting the Abaco Repairs facility.
Publication No. 597-0000000013-000 Rev. F Contents 5
Contents
About This Manual ........................................................................................................................ 3
1 • Overview ................................................................................................................................... 8
1.1 Features ..............................................................................................................................................................9
1.1.1 Product Features...............................................................................................................................................................9
1.1.2 Switch Fabric Features.....................................................................................................................................................9
1.2 System Management Support ...........................................................................................................................9
1.3 Safety Summary ...............................................................................................................................................10
1.3.1 Do Not Operate in an Explosive Atmosphere ................................................................................................................10
1.3.2 Keep Away from Live Circuits.........................................................................................................................................10
1.3.3 Do Not Service or Adjust Alone ......................................................................................................................................10
1.3.4 Do Not Substitute Parts or Modify System ...................................................................................................................10
1.3.5 Handling...........................................................................................................................................................................10
2 • Unpacking and Installation .................................................................................................... 11
2.1 Unpacking Procedures .....................................................................................................................................11
2.2 Identifying Your Board......................................................................................................................................11
2.3 Equipment Grounding.......................................................................................................................................11
2.4 Installation ........................................................................................................................................................11
2.5 Front Panel Connectors and Indicators...........................................................................................................12
2.5.1 Network Connections .....................................................................................................................................................12
2.5.2 Port LEDs .........................................................................................................................................................................12
2.5.3 Serial Console Port..........................................................................................................................................................14
2.5.4 Baseboard-to-VME Backplane Connector .....................................................................................................................15
3 • Theory of Operation................................................................................................................ 16
3.1 Operation...........................................................................................................................................................16
3.2 Switch Software Environment .........................................................................................................................19
3.3 Switching Fabric...............................................................................................................................................19
3.3.1 IPv6 Support....................................................................................................................................................................19
3.3.2 Layer 2/3..........................................................................................................................................................................19
3.3.3 Virtual LAN (VLAN)..........................................................................................................................................................20
3.3.4 Routing Domains.............................................................................................................................................................20
3.3.5 Port Mirror .......................................................................................................................................................................21
A • Compliance............................................................................................................................. 22
A.1 Emission Compliance Notice...........................................................................................................................22
A.2 Optical/Laser Device Notice ............................................................................................................................23
B • Specifications......................................................................................................................... 24
C • Statement of Volatility ........................................................................................................... 25
C.1 Volatile Memory................................................................................................................................................25
C.2 Non-Volatile Memory........................................................................................................................................25
C.3 Media Storage ..................................................................................................................................................26
6NETernity* RM921N / RM921ND Hardware Reference Manual Publication No. 597-0000000013-000 Rev. F
List of Figures
Figure 2-1 RM921N Front Panels ...............................................................................................................................13
Figure 2-2 Serial Console Port ....................................................................................................................................14
Figure 2-3 Serial Console Port LEDs’ Location ..........................................................................................................14
Figure 3-1 Baseboard Block Diagram.........................................................................................................................17
Figure 3-2 DA921 with Removable Secure Memory ..................................................................................................18
Publication No. 597-0000000013-000 Rev. F List of Tables 7
List of Tables
Table 2-1 Front Panel LEDs.........................................................................................................................................12
Table 2-2 Serial Console Port (P13) Pin Descriptions ...............................................................................................14
Table 2-3 Serial Console Port (P13) LEDs ..................................................................................................................14
Table 2-4 Board-to-VME Backplane Connector (P1) Pin Description........................................................................15
Table 2-5 Board-to-VME Backplane Connector (P2) Pin Description........................................................................15
Table B-1 Specifications for RM921N ........................................................................................................................24
Table C-1 Volatile Memory..........................................................................................................................................25
Table C-2 Non-Volatile Memory ..................................................................................................................................25
Table C-3 Media Storage.............................................................................................................................................26
8NETernity* RM921N / RM921ND Hardware Reference Manual Publication No. 597-0000000013-000 Rev. F
1 • Overview
The NETernity* RM921N is a full wire speed, Managed Layer 2/3 switch with
Abaco’s exclusive OpenWare* switch management environment. The RM921N
provides an all‐Gigabit Ethernet solution for high availability VME systems with an
option to support 100Base-FX Ethernet connections. The boards feature 12 or 24
ports of GbE (Gigabit Ethernet) or 100Base-FX. Port configuration can be ordered
with a combination of different types of Gigabit (copper and fiber) and 100Base-FX
interfaces. The 100Base-FX interface uses an LC‐type fiber transceiver. In addition,
the RM921N offers Layer 3 support for routing and Layer 4‐7 for packet classification
and filtering. All ports are switched ports.
The RM921N occupies either a single slot (12) or dual slot (24) in a VME chassis,
depending upon the number of ports configured. The minimum configuration is the
baseboard with 12 ports. The expansion board (second slot) provides an additional
12 ports through a board‐to‐board connection which then enables the RM921N to
support a total of 24 ports.
The GbE ports can be ordered as either fiber or copper interfaces. The fiber interfaces
support either 1000Base-SX or 1000Base-LX GbE transceivers. RJ45 connectors are
used for the copper media; LC for fiber.
The new management processor board, DA921, has an optional secure memory
function that allows easy removal of the flash memory from the board. This is
available on the RM921ND only. The flash memory on the RM921N is not
removable.
Publication No. 597-0000000013-000 Rev. F Overview 9
1.1 Features
1.1.1 Product Features
•6U VME form factor
•Layer 2/3 Switching
•12 Port Gigabit /100Base-FX Switch [single slot]
•24 Port Gigabit /100Base-FX Switch [dual slot]
•Fully managed solution
•Full IPv6 Compatibility
•Combination of copper or fiber ports
•Full wire speed
•1000Base-SX fiber transceivers
•1000Base-LX fiber transceivers
•Automatic MDI crossover on each copper port
1.1.2 Switch Fabric Features
•Optional secure memory
•QoS prioritization
•Packet filtering
•Link aggregation
•802.1Q VLAN standard
•Multiple Spanning Tree
•Broadcast and multicast storm control
•Port mirroring
•Congestion control
1.2 System Management Support
•Linux®based management software executing on PPC (PowerPC®) processor
•802.1Q Multiple Spanning Tree Protocol
•Frame statistics collection and reporting
•Simple Network Management Protocol (SNMP)
•Operators Command Line Interface (CLI) accessed via network (Telnet or SSH)
and local RS232 Serial port
Este manual sirve para los siguientes modelos
1
Tabla de contenidos
