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Contents
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Chapter 1. About the PathBuilder S24x, 26x, and 27x switch
Applications .................................................................................................. 1-3
Features and Protocols .................................................................................. 1-7
Hardware Components ................................................................................. 1-8
Enclosure .................................................................................................. 1-11
Motherboard ............................................................................................. 1-12
Back Panel ................................................................................................ 1-16
TI Dual Port Digital PBX Interface Card ................................................. 1-17
E1 Dual Port Digital PBX Interface Card ................................................ 1-20
DSPM/SM Card ....................................................................................... 1-23
DSPM Card with Analog E&M Interface ................................................ 1-26
Setting Jumpers for DSPM Card with Analog E&M Interface ................ 1-29
DSPM Card with FXS Analog Interface .................................................. 1-32
DSPM Host Card with FXO Analog Interface ........................................ 1-35
-48V Ringer/Power Supply Card and Enclosure ..................................... 1-38
10BaseT Transceiver ................................................................................ 1-41
Radio Frequency Interference Regulations .................................................. 1-42
Telecommunications Regulations ................................................................. 1-43
FCC and Telephone Company Procedures and Requirements ..................... 1-45
FCC Information .......................................................................................... 1-46
Chapter 2. Preparation and Unpacking
Before Installing Your PathBuilder S24x, 26x, and 27x Switch .................. 2-2
Unpacking ..................................................................................................... 2-4
The PathBuilder S24x, 26x, and 27x Switch Rackmount Kit ...................... 2-5
Installing the PathBuilder S24x, 26x, and 27x Switch in an Equipment Rack 2-8
Chapter 3. PathBuilder S24x, 26x, and 27x Switch Hardware Installation
Setting DIP Switches .................................................................................... 3-3
Installing the DSU DIM ............................................................................... 3-4
Configuring the PathBuilder S24x, 26x, and 27x Switch for DSU Operation 3-7
DSU Input and Output Signaling ................................................................. 3-8
Troubleshooting DSU Installation ................................................................ 3-11
Installing DIMs ............................................................................................. 3-12
Installing SIMMs .......................................................................................... 3-14
Installing I/O Cards ...................................................................................... 3-16
Installing a T1 or E1 Dual Port Digital PBX Interface Card ........................ 3-17
Installing the T1/CSU Daughter Card ...................................................... 3-19
Cabling the PathBuilder S24x, 26x, and 27x Switch ................................... 3-22
Installing the Transceiver ............................................................................. 3-23
Power-Up Diagnostics/Verification .............................................................. 3-24
Installing Software Options .......................................................................... 3-26
Full Mesh Cluster Cabling ............................................................................ 3-27