About the PathBuilder S21x Switch
1-3
Features
Daughtercard Functionality
Introduction
The PathBuilder S21x switch is available with the optional components listed below
factory-installed or as separate add-in daughtercards.
• Voice Relay Daughtercard
• Dual FXS Voice Relay Daughtercard
• RemoteVu Daughtercard
• DSU Daughtercard
• DIM Daughtercard
• DRAM SIMMs
Refer to the PathBuilder S200 Series Switch Daughtercard Installation Manual
(T0020) for information on the installation of optional daughtercards.
Voice Relay
Daughtercard
The PathBuilder S21x switch supports the Voice Relay Daughtercard. This
daughtercard supports one voice channel, using either an analog FXS or FXO
interface. Both interfaces use RJ11 connectors.
Dual FXS Voice
Relay
Daughtercard
The Dual FXS Voice Relay Daughtercard provides two FXS interface ports and
support one voice channel each. The FXS port uses RJ45 connectors.
RemoteVu
Daughtercard
The PathBuilder S21x switch supports video over Frame Relay using the RemoteVu
daughtercard. The RemoteVu Daughtercard provides two BNC connector, video
ports accepting NTSC, PAL or SECAM video signal standards and an RJ-45, RS232/
485 camera control port used for Pan/Tilt/Zoom (PTZ) camera control.
DSU Daughtercard
The DSU daughtercard functionality suits an extended range of 56 kbps
point-to- point DDS1 interfaces that conforms to AT&T 62310 or
ANSI T1E1.4/91-006.
The DSU is FCC Part 68 registered.
Diagnostic loopbacks from the telephone company are supported; local diagnostics
are activated from the CTP.
Summary of Contents for PathBuilder S21x
Page 1: ...3Com Corporation PathBuilder S21x Switch Installation Manual ...
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Page 12: ...ii Contents continued Appendix D Technical Support ...
Page 20: ...1 8 About the PathBuilder S21x Switch Target Application Environments ...
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Page 56: ...B 14 PathBuilder S21x Switch Cabling V 24 Cable ...