3Com Corporation
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Proprietary Material
Page
Contents
Appendix A. Cables
Manual
Overview
Introduction
Audience
Trademarks
About This Manual
26x,
What is
Switch?
PathBuilder S24x
Meshed Cluster
Application
Support
Applications
Performance
Branch Nodes
Concentrator
Regional
Regional Concentrator Example
PathBuilder S24x, 26x, and 27x Switch Cluster Example
Description
Features and Protocols
Hardware Components
PathBuilder S24x, 26x, and 27x Switch Hardware Configuration
DSPM/SM
Hardware
Components
Component Description
Ethernet Port 4 Limitations
Enclosure
Ports
Motherboard
Parts
Motherboard
Flash Simm
Port Numbers
Slot Number Port Number Associated Card
Serial/Network
Used
Port Number Use
DIMs without a Cable Adapter DIMs with a Cable Adapter
Back Panel Components
Back Panel
Function
TI Dual Port Digital PBX Interface Card
Cable Description Function
Indicators
LED Status
Color LED is Indicating
E1 Dual Port Digital PBX Interface Card
Location
DIP Switch
Settings
PBX Interface Card Illustration
Sysfail
RUN
Step Action
DSPM/SM Card
13. DSPM/SM Card
14. Cabling T1/E1 Card to DSPM/SM Cards
Dspm Card with Analog E&M Interface
15. DSPM/E&M Card
LEDs
Jumper Wire/600 Wire/UK Number Complex
Setting Jumpers for Dspm Card with Analog E&M Interface
Default Jumper
Settings
16. UK Complex Impedance
Germany
18. Jumper Locations for Dspm E&M Card
Dspm Card with FXS Analog Interface
20. Dspm Card with Analog FXS Interface
Jumper Locations
For Australian
Users
Dspm Host Card with FXO Analog Interface
21. DSPM/HC Card with Analog FXO Daughtercard
Card Illustration
Hardware Components
48V Ringer/Power Supply Card and Enclosure
22. Standard -48V RInger/Power Supply Card and Enclosure
23. Enhanced -48V RInger/Power Supply Card and Enclosure
24 BaseT Transceiver
10BaseT Transceiver
Radio Frequency Interference Regulations
Canadian DOC
General
Telecommunications Regulations
Mise en Garde
FCC and Telephone Company Procedures and Requirements
FCC Information
Radiation
Regulations
Concerning
Electromagnetic
FCC Information
Preparation and Unpacking
Selecting an
Operating
Environment
Mise en Garde
Checking
Unpacking
PathBuilder S24x, 26x, and 27x Switch Rackmount Kit
Considerations
Placement
PathBuilder S24x, 26x, and 27x Switch Rackmount Kit
Step Action Description
Step Action Description
Pedestal Base
Removing
Steps for
Rackmount Assembly
Installing the PathBuilder S24x, 26x, and 27x Switch
Installation
PathBuilder S24x, 26x, and 27x Switch Hardware
Avertissement
Set Switch For
Setting DIP Switches
Switches 1
Switch Settings for Motherboard Switches 1
DSU DIM Installation
Installing the DSU DIM
Step Action Result/Description
Switch Settings
EXT
Configuration
Procedure
INT
Signal Description
DSU Input and Output Signaling
Input Signals
Output Signals
CLK
IDL
Loopback Options
DIM
Troubleshooting DSU Installation
Troubleshooting
If Problems Arise
Example
Installing DIMs
Mise en Garde
Installing SIMMs
Installing SIMMs
Installing I/O Cards
Installing an I/O
BRI
Installation
Installing a T1 or E1 Dual Port Digital PBX Interface Card
Place the interface card on an antistatic mat
Installing the T1/CSU Daughter Card
Follow these steps to install the T1/CSU Daughter card
Installing T1/CSU Daughter Cards
LAN
Cabling the PathBuilder S24x, 26x, and 27x Switch
Transceiver
Installing the Transceiver
Function Description
Power-Up Diagnostics/Verification
Power Up
Sequence
Default
Default Node
Command
Setting Node to
Installing Software Options
Cables
Configuring
Full Mesh Cluster Cabling
Usage
Mesh Diagram
Maintenance
Maintenance
Cover
Removing/Replacing Top Cover
Removing the Top Cover
Panel Cover
Removing/Replacing Front Panel Cover
Removing the Front Panel Cover
Supply
Removing/Replacing Power Supply
Removing the Power Supply
Expansion Card
Removing an
Removing the Support Bar
Removing an Expansion Card
Replacing PathBuilder S24x, 26x, and 27x Switch Motherboard
Removing the Motherboard
Install
Removing/Replacing the Lithium Battery
Battery
Replacing
Removing the Lithium Battery
Removing/Replacing the Lithium Battery
Software
What Is It?
Alarms
Statistics
Overview
Application Example
Configure this Record/Table To do this
Configuring Channelized Data
Configuring Channelized Data
49 or
Configuring T1 and E1 Physical Ports
Configure Ports
Step Action Result
Port Record
Menu Configure Path Main.6 Node Port
Line Framing Type
Guidelines
Parameters Port Number
Port Type
Facility Data Link
Transmit Clock
INT, REC
Line Build Out
Threshold Value-CSS
Threshold Value LES
Threshold Value-LCV
Threshold Value-PCV
Threshold Value-BES
Threshold Value-ES
Threshold Value Sefs
Threshold Value-SES
Threshold Value UAS
E1 Port Record
Parameters Port Type
Line Coding
Line Impedance
Threshold Value-CSS
Threshold Value-SES
Threshold Value UAS
Virtual Ports
Booting Virtual
How to
Enabling/ Disabling
Port Configuration for Channelized Data Option
What You See
Configuring Virtual Port Mapping Table
Mapping Table Parameters Virtual Port Number
Configure Select Virtual Port Mapping
Virtual Mapping
Virtual Port
DS0 Rate
Time Slots
Pin
EIA 232-D Signals Motherboard and SDB
Function/Signal Pin
Function/Signal Name
Position Signal Name
35/V.36 Motherboard
Function Pin
Receive Receive Clock Clock B Data Data Terminal Ready
Function/Signal
External Transmit Clock B Clock a Test Mode
35/V.36 SDB
Position Signal
V11 Signals Motherboard
V11 Signals SDB
Additional Information Ethernet RJ-45S Connector Signals
Pin Signal
Ethernet Cable Pinouts
+12V
Ethernet Cable Pinouts
Power Output
AC Input
DC Input
PathBuilder S24x, 26x, and 27x Switch Specifications
Numeric Status Service Description/Comments Display
Error Codes
Numeric Status Service Description/Comments
Technical Support
Country Data Rate Telephone Number
Access by Analog Modem
3ComFacts Automated Fax Service
Access by Digital Modem
Support from
3Com
Country Telephone Number
Country Telephone Number Fax Number
Index
Numerics
CTP
FCC
DSU
Index-3
URL D-1
Simm
Disabling Warm Restart World Wide Web WWW D-1
Index-6