Cabletron Systems Network Router 9T101 04 User Manual
MMAC-Plus™ 9T101-04  
Four Port Token Ring Router  
User’s Guide  
 
Notice  
Notice  
Cabletron Systems reserves the right to make changes in specifications and other information  
contained in this document without prior notice. The reader should in all cases consult Cabletron  
Systems to determine whether any such changes have been made.  
The hardware, firmware, or software described in this manual is subject to change without notice.  
IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL, INDIRECT,  
SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING BUT NOT LIMITED  
TO LOST PROFITS) ARISING OUT OF OR RELATED TO THIS MANUAL OR THE INFORMATION  
CONTAINED IN IT, EVEN IF CABLETRON SYSTEMS HAS BEEN ADVISED OF, KNOWN, OR  
SHOULD HAVE KNOWN, THE POSSIBILITY OF SUCH DAMAGES.  
© Copyright July 1995 by:  
Cabletron Systems, Inc.  
35 Industrial Way  
Rochester, NH 03867-5005  
All Rights Reserved  
Printed in the United States of America  
Order Number: 9031477  
MMAC-Plus is a trademark of Cabletron Systems, Inc.  
Cisco Systems is a trademark of Cisco Systems, Inc.  
CompuServe is a registered trademark of CompuServe, Inc.  
i
 
Notice  
FCC Notice  
This device complies with Part 15 of the FCC rules. Operation is subject to the following two  
conditions: (1) this device may not cause harmful interference, and (2) this device must accept any  
interference received, including interference that may cause undesired operation.  
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital  
device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable  
protection against harmful interference when the equipment is operated in a commercial environment.  
This equipment uses, generates, and can radiate radio frequency energy and if not installed in  
accordance with the operator’s manual, may cause harmful interference to radio communications.  
Operation of this equipment in a residential area is likely to cause interference in which case the user  
will be required to correct the interference at his own expense.  
WARNING: Changes or modifications made to this device which are not expressly approved by the  
party responsible for compliance could void the user’s authority to operate the equipment.  
VCCI Notice  
This equipment is in the 1st Class Category (information equipment to be used in commercial and/or  
industrial areas) and conforms to the standards set by the Voluntary Control Council for Interference  
by Information Technology Equipment (VCCI) aimed at preventing radio interference in commercial  
and/or industrial areas.  
Consequently, when used in a residential area or in an adjacent area thereto, radio interference may be  
caused to radios and TV receivers, etc.  
Read the instructions for correct handling.  
ii  
 
Notice  
DOC Notice  
This digital apparatus does not exceed the Class A limits for radio noise emissions from digital  
apparatus set out in the Radio Interference Regulations of the Canadian Department of  
Communications.  
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables  
aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage radioélectrique  
édicté par le ministère des Communications du Canada.  
iii  
 
Notice  
iv  
 
Contents  
Chapter 1  
Introduction  
Features........................................................................................................................... 1-1  
Related Manuals............................................................................................................ 1-4  
Getting Help .................................................................................................................. 1-4  
Chapter 2  
Chapter 3  
Installing the MMAC-Plus Module  
The Reset Switch ........................................................................................................... 2-3  
Local Management Console ........................................................................................ 2-3  
Operation  
Flexible Network Bus (FNB)........................................................................................ 3-2  
System Management Buses ......................................................................................... 3-2  
System Diagnostic Controller...................................................................................... 3-2  
DC/DC Converter ........................................................................................................ 3-2  
FNB Interface................................................................................................................. 3-3  
CPU ................................................................................................................................. 3-3  
Chapter 4  
Chapter 5  
LANVIEW LEDs  
Specifications  
Safety............................................................................................................................... 5-1  
Service............................................................................................................................. 5-1  
Physical........................................................................................................................... 5-2  
Dimensions ............................................................................................................. 5-2  
Weight...................................................................................................................... 5-2  
Environment........................................................................................................... 5-2  
v
 
Contents  
vi  
 
Chapter 1  
Introduction  
The 9T101-04 Token Ring Router module, shown in Figure 1-1, is a four port  
Token Ring router. Up to four front panel network connections can be made to  
this module and they can be routed to any other port and to any other  
MMAC-Plus module via the FNB bus.  
Features  
Processor  
The 9T101-04 is equipped with an advanced IDT R4600 Fourth Generation 64 bit  
RISC microprocessor. This microprocessor provides a platform for all  
management functions within a scalable RISC-based architecture.  
System Management  
The 9T101-04 provides an interface to the System Management Bus (SMB-1) for  
intermodule management.  
Connectivity  
The 9T101-04 provides four front panel DB-15 Token Ring ports.  
Routing  
The 9T101-04 provides Routing between the front panel ports and/or to any other  
module in the chassis via FNB -1 or FNB -2 of the FNB bus. IEEE 802.1d Spanning  
Tree Protocol is supported in all bridging functions.  
1-1  
 
Introduction  
Management Information Base (MIB) Support  
All concentrator modules provide MIB support including the following:  
•
•
IETF Source Routing Bridging MIB  
IETF MIB II  
NOTE  
For a complete list of supported MIBs, refer to the release notes provided in the  
module package.  
LANVIEW LEDs  
The 9T101-04 uses LANVIEW: the Cabletron Systems built-in visual diagnostic  
and status monitoring system. With LANVIEW LEDs, you can quickly identify  
the device, port, and physical layer status at a glance.  
Hot Swapping  
The 9T101-04 can be installed or removed from the chassis while the MMAC-Plus  
is powered up without affecting the operation of the remaining modules in the  
chassis.  
1-2  
 
Features  
FDDI  
9T101-04  
SMB  
FNB  
CPU  
16 Mb  
16 Mb  
16 MB  
16 Mb  
IN-RING  
IN-RING  
IN-RING  
IN-RING  
A
B
A
B
1
2
A
U
X
C
O
N
A
B
A
1
2
B
MMAC PLUS  
Figure 1-1. The 9T101-04 Module  
1-3  
 
 
Introduction  
Related Manuals  
The manuals listed below should be used to supplement the procedures and  
technical data contained in this manual.  
MMAC-Plus Installation Guide  
MMAC-Plus Operations Guide  
MMAC-Plus 9C300-1 Environmental Module User’s Guide  
MMAC-Plus 9C214-1 AC Power Supply User’s Guide  
Cisco Systems R4500 manuals - CRM-DOC or CRM-CDROM  
Getting Help  
If you need additional support with the MMAC-Plus, or if you have any  
questions, comments or suggestions concerning this manual, feel free to contact  
Cabletron Systems Technical Support:  
By phone:  
(603) 332-9400  
By CompuServe®: GO CTRON from any ! prompt  
By Internet mail:  
By mail:  
[email protected]  
Cabletron Systems, Inc.  
P.O. Box 5005  
Rochester, NH 03867-0505  
1-4  
 
Chapter 2  
Installing the MMAC-Plus Module  
The MMAC-Plus module may be installed into any of the 14 slots that are  
available. To install, follow the steps below:  
1. Remove the blank panel, covering the slot that the module is being mounted  
in. All other slots must be covered, if modules are not being installed, to  
ensure proper airflow and cooling.  
2. Carefully remove the module from the shipping box. (Save the box and  
packing materials in the event the module must be reshipped.)  
3. Attach one end of the ESD wrist strap packaged with the MMAC-Plus chassis  
to your wrist. Plug the other end into the ESD Wrist Strap Grounding  
receptacle in the lower right corner of the MMAC-Plus Chassis shown in  
Figure 1.  
4. Remove the module from the plastic bag. Observe all precautions to prevent  
damage from Electrostatic Discharge (ESD).  
5. Carefully examine the module, checking for damage. If any damage exists,  
DO NOT install the module. Contact Cabletron Systems Technical Support  
immediately.  
6. Before installing the MMAC-Plus cards into the chassis, ensure that the  
bottom and top plastic tabs are unlocked. Slide the card into an available slot  
and ensure that the circuit card is between the card guides, as shown in  
Figure 1. Check both the upper and lower tracks. Take care that the module  
slides in straight and engages the backplane connectors properly. Lock down  
the top and bottom plastic tabs at the same time, applying even pressure.  
2-1  
 
Installing the MMAC-Plus Module  
Plastic Tabs  
L
L
L
I
I
Jack for ESD  
wrist strap  
Metal Back-Panel  
Circuit Card  
Card Guides  
Warning:  
Ensure that the circuit card is between the card guides.  
Lock down the top and bottom plastic tabs  
at the same time, applying even pressure.  
Figure 2-1. Installing the MMAC-Plus Module  
2-2  
 
The Reset Switch  
The Reset Switch  
The Reset switch is located on the front panel, under the top plastic tab, as shown  
in Figure 2-2. It serves two functions:  
•
•
Pressing the Reset switch twice within three seconds causes the processor to  
reset.  
Pressing and holding the switch on for three or more seconds causes the  
module to shutdown. Pressing and holding again for three seconds restarts the  
module.  
SNMP management may be used to disable this switch to enhance module  
security.  
Reset Switch  
SMB  
CPU  
Figure 2-2. The Reset Switch  
Local Management Console  
Local Management is accessed by attaching a management console at the RJ-45  
CON port of the 9T101-04. The console connection supports a Digital Equipment  
Corporation VT 320™ terminal or PC emulation of one of these terminals.  
Table 2-1 lists the setup requirements for the local management console. If your  
terminal is a Digital Equipment Corporation VT 320™ terminal, press F3 to access  
the Setup Directory. If you have a terminal emulation of the Digital Equipment  
terminals, refer to your equipment user manual for setup procedures.  
2-3  
 
 
Installing the MMAC-Plus Module  
Table 2-1. Terminal Setup Requirements  
Men u  
F u n ction  
Selection  
Display  
Setup:  
Columns  
Controls  
Auto Wrap  
Text Cursor  
80 Columns  
Interpret Controls  
No Auto Wrap  
Cursor  
General  
Setup:  
Mode  
7 Bit Control  
Cursor Keys  
Normal Cursor  
Keys  
Communications  
Setup:  
Transmit  
Receive  
XOFF  
Transmit = 9600  
Receive = Transmit  
any option  
Bits, Parity  
Stop Bit  
Local Echo  
Port  
8 Bits, No Parity  
1 Stop Bit  
No Local Echo  
EIA Port, Data Leads  
Only  
DEC-423, Data  
Leads only  
Transmit  
any option  
Auto Answerback  
No Auto Answerback  
Keyboard  
Setup:  
Auto Repeat  
Keyclick  
any option  
any option  
Margin Bell  
Warning Bell  
Auto Answerback  
Margin Bell  
Warning Bell  
No Auto Answerback  
2-4  
 
 
Local Management Console  
An RJ-45 connector provides a CON interface to the management terminal.  
Figure 2-3 shows the pinouts.  
Pin1  
RJ-45 CON Port  
RJ-45TO 25 PIN  
CABLE  
FEMALE - 25 Pin  
"D" Shell Connector  
2
TRANSMIT  
RECEIVE  
4
3
RECEIVE  
1
5
2
TRANSMIT  
SIGNAL GROUND  
7
SIGNAL GROUND  
DATA SET READY  
20 DATA TERMINAL READY  
5
CLEAR TO SEND  
DATA TERMINAL READY  
6
COM PORT  
RJ-45  
LOCAL  
MANAGEMENT  
CONSOLE  
RECEIVE  
TRANSMIT  
1
2
TRANSMIT  
RECEIVE  
SIGNAL GROUND  
DATA SET READY  
4
5
2
6
3
5
7
SIGNAL GROUND  
READY TO SEND  
DATA TERMINAL READY  
8
CLEAR TO SEND  
FEMALE - DB-9  
(9-Pin Connector)  
RJ-45 TO 9 PIN  
CABLE  
Figure 2-3. Console Cable Pinouts  
Connect the console to the module as follows:  
1. Attach the male RJ-45 connector to the CON port of the 9T101-04.  
2. Attach the female end (25-pin or 9-pin, as applicable) to the terminal.  
Refer to the Cisco Systems documentation for information on configuring this  
module.  
2-5  
 
 
Installing the MMAC-Plus Module  
2-6  
 
Chapter 3  
Operation  
The 9T101-04 Token Ring Router module is a four port router. Four front panel  
network connections can be made to this module and they can be routed to any  
other port and to any other MMAC-Plus module via the FNB bus.  
SMB-1  
DC/DC  
System  
Converter  
Diagnostic  
Token  
Ring  
Controller  
port  
Token  
Ring  
port  
FNB-1 or  
FNB-2  
CPU  
Token  
Ring  
port  
Token  
Ring  
port  
Front Panel CON Ports  
Figure 3-1. 9T101-04 Block Diagram  
3-1  
 
Operation  
Flexible Network Bus (FNB)  
The FNB consists of two dual FDDI networks, the FNB-1 and FNB-2, providing  
up to 400 Mbps of data bandwidth. These FDDI networks are 100% ANSI FDDI-  
compliant, supporting SMT (version 7.3), MAC, PHY, and PMD standards. This  
allows the FNB to traverse multiple MMAC-Plus hubs, or connect to any ANSI  
FDDI-compliant device, through standard A/B port connections.  
System Management Buses  
The SMB-1 is a 1 Mbps management bus located within the MMAC-Plus. This bus  
is utilized by all diagnostic controllers in the system. These include connectivity  
modules, power supply modules, and the environmental module. The SMB-1  
transports inter-chassis information between system components, such as power  
and environmental information, as well as diagnostic messages. Periodic  
loop-back tests are performed by all modules that share this bus to ensure the  
validity of SMB-1.  
System Diagnostic Controller  
This diagnostic controller is composed of a Z-80 microprocessor and its  
supporting logic. The diagnostic controller is designed to control the power-up  
sequencing of modules, monitor the 9T101-04 input and output power  
parameters, keep watch over the main host processor, as well as monitor the  
temperature and control the SMB LANVIEW diagnostic LED. The information  
gathered by the diagnostic controller is available to the network manager via  
local/remote management and the LCD located on the Environmental Module.  
The 9T101-04 have been designed so that in the event of a diagnostic controller  
fault, the modules will continue to function.  
DC/DC Converter  
The DC/DC converter converts the 48 VDC on the system power bus to the  
necessary operating voltages for its host network services module. The diagnostic  
controller controls the operation of the DC/DC converter.  
3-2  
 
FNB Interface  
FNB Interface  
MMAC-Plus modules are designed with one of two attachment policies. One  
allows dual attachment of a module to either FNB-1 or FNB-2; the second allows  
dual attachment to both FNB-1 and FNB-2. The 9T101-04 has one dual attachment  
to the FNB backplane, connecting to either FNB-1 or FNB-2. The module can  
insert into the FNB or bypass it. These flexible configuration options make the  
MMAC-Plus ideal for networks designed to Bridge/Route multiple lower speed  
LANs to FDDI and/or networks designed using an FDDI collapsed backbone.  
CPU  
The CPU provides the SNMP protocol stacks, as well as support for industry  
standard MIBs.  
3-3  
 
Operation  
3-4  
 
Chapter 4  
LANVIEW LEDs  
The front panel LANVIEW LEDs, shown in Figure 4-1, indicate the status of the  
module and may be used as an aid in troubleshooting.  
FDDI  
9T101-04  
System Status  
FNB Receive  
FNB Transmit  
Token Ring Insertion  
SMB  
CPU  
FNB  
Ring speed  
16 Mb  
16 Mb  
16 MB  
16 Mb  
IN-RING A  
IN-RING B  
IN-RING A  
IN-RING B  
1
2
A
U
X
C
O
N
Figure 4-1. LANVIEW LEDs  
4-1  
 
 
LANVIEW LEDs  
The functions of the System Management Bus (SMB) and CPU LEDs are listed in  
Table 4-1.  
Table 4-1. SMB and CPU LEDs  
LED Color  
Green  
State  
Description  
Fully operational.  
Functional  
Crippled  
Booting  
Reset  
Yellow (Flashing)  
Yellow  
Conditional Token Ring fault *.  
Booting.  
Red  
Normal power-up reset.  
FDDI Fault (FNB is down).  
Module powered off.  
Red (Flashing)  
Off  
Failed  
Power off  
* At least one Token Ring port in both groups 0-1 and 2-3 are down.  
The function of the FNB Receive LED is listed in Table 4-2.  
Table 4-2. FNB Receive LED  
LED Color  
State  
Yellow (Flashing)  
Off  
Activity (Flashing rate indicates rate of activity).  
No activity  
The function of the FNB Transmit LED is listed in Table 4-3.  
Table 4-3. FNB Transmit LED  
LED Color  
State  
Green (Flashing)  
Off  
Activity (Flashing rate indicates rate of activity).  
No activity  
4-2  
 
   
LANVIEW LEDs  
The functions of the Token Ring Insertion LEDs are listed in Table 4-4.  
Table 4-4. Token Ring Insertion LEDs  
LED Color  
State  
Green  
Off  
Inserted into ring  
Not Inserted  
The function of the Ring Speed LEDs are listed in Table 4-5.  
Table 4-5. Ring Speed LEDs  
LED Color  
State  
Green  
Off  
16 mbps  
4 mbps  
4-3  
 
   
LANVIEW LEDs  
4-4  
 
Chapter 5  
Specifications  
Safety  
It is the responsibility of the person who sells the system to which the module will  
be a part to ensure that the total system meets allowed limits of conducted and  
radiated emissions.  
!
CAUTION  
This equipment meets the following safety requirements:  
•
•
•
•
•
•
•
•
UL 1950  
CSA C22.2 No. 950  
EN 60950  
IEC 950  
EMI Requirements of FCC Part 15 Class A  
EN 55022 Class A  
VCCI Class I  
EMC the following requirements:  
EN 50082-1  
IEC 801-2 ESD  
IEC 801-3 Radiated susceptibility  
IEC 801-4 EFT  
Service  
MTBF (MHBK-217E): >200,000 hrs.  
MTTR: <0.5 hr.  
5-1  
 
Specifications  
Physical  
Dimensions  
35.0 D x 44.0 H x 3.0 W centimeters  
(13.8 D x 17.4 H x 1.2 W inches)  
Weight  
Unit:  
Shipping:  
1.36 kg. (3 lb)  
1.81 kg. (4 lb)  
Environment  
Operating Temperature 5 to 40° C  
Storage Temperature  
Relative Humidity  
-30 to 90° C  
5% to 95% non-condensing  
5-2  
 

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