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Publication No. 597-0000000013-000 Rev. F 

 

Statement of Volatility  25 

C • 

Statement of Volatility

 

C.1  Volatile Memory 

This product contains volatile memory, i.e., memory in which the contents are lost 
when power is removed. 

Volatile memory devices listed below are physically located on the DA921 daughter 
card. 

Table C-1 Volatile Memory 

Type of Memory  Size 

User Modifiable  Function 

Process to Clear 

2x SDRAM 
(U14, U15) 

512 MBytes  No 

Processors SDRAM  Power Off 

C.2  Non-Volatile Memory 

This product contains non‐volatile 

memory, i.e., memory in which the contents are 

retained when power is removed. 

Non-volatile memory devices listed below are physically located on the DA921 
daughter card. 

Table C-2 Non-Volatile Memory 

Type of 
Memory 

Size 

User-
Modifiable 

Function 

Process to Clear 

EEPROM 
(U4) 

2 Kbits 

No 

ETH0 Mac/Setup Parameters 

None/factory re-program 

NAND Flash 
(U16) 

*RM921N 
ONLY 

512 MBytes 

Yes 

Holds Operating System 
Holds Switch Configuration 
(user-modifiable) 

Login to switch as: admin 
-config reset 
-reboot 
-delete any modified daemon 
configuration files 
-change switch IP address back to 
default 

NOR Flash 
(U17) 

64 MBytes 

Yes 

Boot Loader 

None/factory re-program 
(User modification not recommended or 
advised) 

CPLD 
(U11) 

128-
macrocell 

No 

Fiber LED control 

None/JTAG header, CPLD programming 
cable and SW required 

 
 

 

Summary of Contents for NETernity RM921N

Page 1: ...buy your excess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock Ready to ship TAR certified secure asset solutions Expert team I Trust guarantee I 100 satisfaction All trademarks brand names and brands appearing herein are the property of th...

Page 2: ...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 ...

Page 3: ...d 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 be...

Page 4: ...s 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 x106 and x109 respectively and can be used to define a transfer rate The only exception to this is in the description of the siz...

Page 5: ...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 ...

Page 6: ...res 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 ...

Page 7: ...blication 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 ...

Page 8: ...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 ...

Page 9: ...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 enable...

Page 10: ...utomatic 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 ...

Page 11: ...to two contact adapter with the grounding wire green firmly connected to an electrical ground safety ground at the power outlet 1 3 1 Do Not Operate in an Explosive Atmosphere Do not operate the system in the presence of flammable gases or fumes Operation of any electrical system in such an environment constitutes a definite safety hazard 1 3 2 Keep Away from Live Circuits Operating personnel must...

Page 12: ...t strategic positions These can be cross checked against the Advice Note provided with your delivery Identification labels attached to the shipping box and the antistatic bag give identical information product code product description and equipment number On the board within the antistatic bag there is an identifying label attached to the PCB 2 3 Equipment Grounding To minimize electric shock haza...

Page 13: ...r port can perform an automatic Media Dependent Interface MDI crossover eliminating the need for crossover cables or cross wired MDIX ports 2 5 2 Port LEDs RM921N uses two LEDs per port One LED is used to indicate a valid link and the other one displays port activity The LED colors for fiber and copper interfaces are defined in Table 2 1 Table 2 1 Front Panel LEDs Copper Interface LEDs LED Color D...

Page 14: ...M921N Front Panels NOTE The front panels from left to right are The first front panel with 8 Gigabit Copper ports and 4 Gigabit Fiber ports the second front panel is the Expansion Panel with 12 Gigabit Copper ports and the third front panel is 8 Gigabit Copper ports and 4 100FX Fiber ...

Page 15: ...with the management board Figure 2 2 Serial Console Port Table 2 2 Serial Console Port P13 Pin Descriptions Pin No Name Description 1 2 N C No Connection 3 GND Circuit Ground 4 RXD0 Receive Data 5 TXD0 Transmit Data 6 GND Circuit Ground 7 8 N C No Connection 9 10 CGND Chassis Ground Table 2 3 Serial Console Port P13 LEDs LEDs Indication DS25 GRN ON Power Good Board not in reset OFF Board in reset ...

Page 16: ...s are bypassed on RM921N B6 B7 BG1IN BG1OUT Bus grant IN OUT level 1 Signals are bypassed on RM921N B8 B9 BG2IN BG2OUT Bus grant IN OUT level 2 Signals are bypassed on RM921N B10 B11 BG3IN BG3OUT Bus grant IN OUT level 3 Signals are bypassed on RM921N B20 and B23 GND Circuit ground B32 5V 5V supply Connected to RM921N 5V power plane C9 GND Circuit ground C32 5V 5V supply Connected to RM921N 5V pow...

Page 17: ...on of both 3 1 Operation The RM921N block diagram is shown in Figure 3 1 The design incorporates a highly integrated 24 port GbE multi layer switch fabric The switch fabric supports IPv6 routing functions The Management processor configures and manages both the switch and port controllers The DA921 management board with secure memory option provides a Mini Edge Card socket This connector enables u...

Page 18: ...Publication No 597 0000000013 000 Rev F Theory of Operation 17 Figure 3 1 Baseboard Block Diagram ...

Page 19: ... NETernity RM921N RM921ND Hardware Reference Manual Publication No 597 0000000013 000 Rev F Figure 3 2 DA921 with Removable Secure Memory NOTE The removable memory module is only available on the RM921ND ...

Page 20: ...he same time A packet will only be delayed if there is already activity on the destination port Packet switching is at Layer 2 3 and packet routing at Layer 3 IP routing 3 3 1 IPv6 Support The RM921N provides support for IPv6 routing Management interface can be on both IPv6 and IPv4 networks i e assigned both types of addresses 3 3 2 Layer 2 3 Address information i e packet source and destination ...

Page 21: ...LAN The switch can forward packets between routing domains performing the duties of a standard IP router When the destination of a packet is to a Routing Domain directly connected to the switch e g across VLANs the fabric can forward the packet at wire speed without any additional information In larger configurations the destination may be one or more hops away Thus the switch must forward the pac...

Page 22: ...useful in a debug situation If there is no access to a connection a mirror to port can be created that can be attached to an external analyzer Any port except the mirror to port itself can be designated as the mirror from port for traffic occurring on the port to be observed The switch supports one mirror to port at a time The mirror from ports can be a list of ports with ingress and egress as con...

Page 23: ...luntary Control Council for Interference from Information Technology Equipment VCCI If this is used near a radio or television receiver in a domestic environment it may cause radio interference Install and use the equipment according to the instruction manual USA FCC Part 15 NOTES The hardware has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of t...

Page 24: ...vice Avoid getting dust and other contaminants into the optical bores of your device The optics will not work correctly when obstructed with dust CAUTION It is important to disconnect or remove all cables before removing or installing an optical transceiver Failure to do so may result in damage to the cable or device WARNING An optical transmitter is a Class 1 device Invisible laser radiation may ...

Page 25: ...e Slot MTBF TelcordiaIssue1 Method1Case3at 40 Cfor 24 port version 260 829 hours Temperature Operating 0 to 65 C Storage 40 to 125 C Industrial Temperature Operating 40 to 85 C Storage 40 to 125 C Humidity Operating 5 to 95 Non condensing Storage 5 to 95 Non condensing Gigabit Ethernet Characteristics For Copper Media Ports 10Base T 100Base TX 1000Base T Quad RJ45 connectors with integrated LEDs F...

Page 26: ...ents are retained when power is removed Non volatile memory devices listed below are physically located on the DA921 daughter card Table C 2 Non Volatile Memory Type of Memory Size User Modifiable Function Process to Clear EEPROM U4 2 Kbits No ETH0 Mac Setup Parameters None factory re program NAND Flash U16 RM921N ONLY 512 MBytes Yes Holds Operating System Holds Switch Configuration user modifiabl...

Page 27: ...etc Media storage device listed below is physically located on the DA921 daughter card Table C 3 Media Storage Type of Memory Size User Modifiable Function Process to Clear Mini Edge Card Removable RM921ND ONLY 64 MBytes Yes Holds Operating System Holds Switch Config user modifiable Login to switch as admin config reset reboot delete any modified daemon configuration files change switch IP address...

Page 28: ...D AS IS WITH NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTIES OF DESIGN MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ALL OTHER LIABILITY ARISING FROM RELIANCE ON ANY INFORMATION CONTAINED HEREIN IS EXPRESSLY DISCLAIMED Abaco Systems Information Centers Americas 1 866 652 2226 866 OK ABACO or 1 256 880 0444 International Europe M...

Page 29: ...quipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentation Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate representative or authorized distributor for any manufacturer listed herein We re here to make your life easier How...

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