Contents
3Com Corporation
Restricted Rights Notification for U.S. Government Users
Restricted Rights Legend
Proprietary Material
Page
Contents
Appendix A. Cables
Overview
Introduction
Audience
Manual
About This Manual
Trademarks
What is
Switch?
PathBuilder S24x
26x,
Meshed Cluster
Application
Support
Applications
Performance
Branch Nodes
Regional
Concentrator
Regional Concentrator Example
PathBuilder S24x, 26x, and 27x Switch Cluster Example
Features and Protocols
Description
PathBuilder S24x, 26x, and 27x Switch Hardware Configuration
Hardware Components
Hardware
Components
Component Description
DSPM/SM
Ethernet Port 4 Limitations
Enclosure
Motherboard
Parts
Motherboard
Ports
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
Back Panel Components
TI Dual Port Digital PBX Interface Card
Function
Cable Description Function
Indicators
LED Status
Color LED is Indicating
E1 Dual Port Digital PBX Interface Card
DIP Switch
Settings
PBX Interface Card Illustration
Location
RUN
Sysfail
DSPM/SM Card
Step Action
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
Setting Jumpers for Dspm Card with Analog E&M Interface
Default Jumper
Settings
Jumper Wire/600 Wire/UK Number Complex
Germany
16. UK Complex Impedance
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
Card Illustration
21. DSPM/HC Card with Analog FXO Daughtercard
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
10BaseT Transceiver
24 BaseT Transceiver
Radio Frequency Interference Regulations
Canadian DOC
General
Telecommunications Regulations
Mise en Garde
FCC and Telephone Company Procedures and Requirements
FCC Information
Regulations
Concerning
Electromagnetic
Radiation
FCC Information
Preparation and Unpacking
Selecting an
Operating
Environment
Mise en Garde
Unpacking
Checking
PathBuilder S24x, 26x, and 27x Switch Rackmount Kit
Placement
Considerations
PathBuilder S24x, 26x, and 27x Switch Rackmount Kit
Step Action Description
Step Action Description
Removing
Pedestal Base
Rackmount Assembly
Steps for
Installing the PathBuilder S24x, 26x, and 27x Switch
PathBuilder S24x, 26x, and 27x Switch Hardware
Installation
Avertissement
Setting DIP Switches
Switches 1
Switch Settings for Motherboard Switches 1
Set Switch For
Installing the DSU DIM
DSU DIM Installation
Step Action Result/Description
Switch Settings
Configuration
Procedure
INT
EXT
DSU Input and Output Signaling
Input Signals
Output Signals
Signal Description
IDL
CLK
Loopback Options
Troubleshooting DSU Installation
Troubleshooting
If Problems Arise
DIM
Installing DIMs
Example
Mise en Garde
Installing SIMMs
Installing SIMMs
Installing I/O Cards
Installing an I/O
BRI
Installing a T1 or E1 Dual Port Digital PBX Interface Card
Installation
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
Cabling the PathBuilder S24x, 26x, and 27x Switch
LAN
Installing the Transceiver
Transceiver
Power-Up Diagnostics/Verification
Power Up
Sequence
Function Description
Default Node
Command
Setting Node to
Default
Installing Software Options
Configuring
Full Mesh Cluster Cabling
Usage
Cables
Mesh Diagram
Maintenance
Maintenance
Removing/Replacing Top Cover
Cover
Removing the Top Cover
Removing/Replacing Front Panel Cover
Panel Cover
Removing the Front Panel Cover
Removing/Replacing Power Supply
Supply
Removing the Power Supply
Removing an
Expansion Card
Removing the Support Bar
Removing an Expansion Card
Replacing PathBuilder S24x, 26x, and 27x Switch Motherboard
Install
Removing the Motherboard
Removing/Replacing the Lithium Battery
Battery
Replacing
Removing the Lithium Battery
Removing/Replacing the Lithium Battery
What Is It?
Alarms
Statistics
Software
Application Example
Overview
Configuring Channelized Data
Configure this Record/Table To do this
Configuring Channelized Data
Configuring T1 and E1 Physical Ports
Configure Ports
Step Action Result
49 or
Menu Configure Path Main.6 Node Port
Port Record
Guidelines
Parameters Port Number
Port Type
Line Framing Type
Transmit Clock
INT, REC
Line Build Out
Facility Data Link
Threshold Value LES
Threshold Value-LCV
Threshold Value-PCV
Threshold Value-CSS
Threshold Value-ES
Threshold Value-BES
Threshold Value-SES
Threshold Value Sefs
Threshold Value UAS
E1 Port Record
Parameters Port Type
Line Coding
Line Impedance
Threshold Value-CSS
Threshold Value-SES
Threshold Value UAS
Booting Virtual
How to
Enabling/ Disabling
Virtual Ports
Port Configuration for Channelized Data Option
Configuring Virtual Port Mapping Table
What You See
Configure Select Virtual Port Mapping
Virtual Mapping
Virtual Port
Mapping Table Parameters Virtual Port Number
Time Slots
DS0 Rate
EIA 232-D Signals Motherboard and SDB
Function/Signal Pin
Function/Signal Name
Pin
Position Signal Name
35/V.36 Motherboard
Function Pin
Function/Signal
External Transmit Clock B Clock a Test Mode
35/V.36 SDB
Receive Receive Clock Clock B Data Data Terminal Ready
V11 Signals Motherboard
Position Signal
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
Error Codes
Numeric Status Service Description/Comments Display
Numeric Status Service Description/Comments
Technical Support
Access by Analog Modem
3ComFacts Automated Fax Service
Access by Digital Modem
Country Data Rate Telephone Number
Support from
3Com
Country Telephone Number
Country Telephone Number Fax Number
Index
Numerics
CTP
DSU
FCC
Index-3
Simm
URL D-1
Disabling Warm Restart World Wide Web WWW D-1
Index-6