APS101 Automatic Protection Switch
■Document Purpose
▲This document provides a general description of the Charles Industries APS101 Automatic Protection Switch (APS).
■Equipment Function
▲The APS101 is a T1 Automatic Protection Switch that provides cost-effective self-healing networking in the event of out-of-frame, excessive bipolar violations/CRC, or loss of signal for any reason including cable cuts, equipment failures or signal degradation. The T1 APS, upon receiving T1 information from the equipment T1 line, provides identical T1 information transmitted on duplicate T1 lines. The receiving APS analyzes the two incoming network T1 lines, and, according to user specified selection criteria, provides the selected T1 line to the equipment T1
■Equipment Features
▲Features of the APS101 include:
◆Single module for two T1s in, one T1 out.
◆Line status monitoring.
◆Temperature hardened.
◆Automatic detection of SF/ESF framing.
◆Individual build-out controls for the T1 Network Lines.
◆Network side repeaterless up to 6000 feet.
◆Metallic bypass.
◆Individual switch selectable transceiver sensitivity.
◆T1 equalization of equipment line with LIU (0–655 feet) and CSU levels (0, –7.5, –15, and –22 dB).
◆Local and remote switching.
◆Local manual override.
◆Switchable bipolar violation (BPV) thresholds.
◆Automatic detection of AMI or B8ZS line coding.
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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August 2001 |
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Issue 3 |
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70 KB |
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