Cisco Systems VG350 specifications FXO Fail-Over Bypass Ports, Fxo, BYPASS-0, BYPASS-1

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Chapter 2 Cisco Double-Wide High Density Analog Service Modules

FXO Fail-Over Bypass Ports

FXO Fail-Over Bypass Ports

Bypass/Failover Port, also called Fail-over Trunk Bypass, provides a way to use designated analog phone ports to make phone calls through the Public Switch Telephone Network (PSTN) during power-outage or power savings circumstances.

Table 2-2shows the RJ-11 connector assignment.

 

Table 2-2

RJ-11 Connector Assignment

 

 

 

 

 

 

Faceplate

 

 

 

 

Label

IN (RJ-11)

OUT (RJ-11)

Power ON

Power OFF

 

 

 

 

 

FXO

To PSTN

To external

PSTN to external FXO

PSTN to RJ-21

BYPASS-0

 

FXO Interface

Interface

connector Port 46

 

 

(optional)

FXS Port 46 to RJ-21

No connection to

 

 

 

connector

external FXO I/F

 

 

 

 

 

FXO

To PSTN

To external

PSTN to external FXO

PSTN to RJ-21

BYPASS-1

 

FXO Interface

Interface

connector Port 47

 

 

(optional)

FXS Port 47 to RJ-21

No connection to

 

 

 

connector

external FXO I/F

 

 

 

 

 

Cisco VG350 Voice Gateway Hardware Installation Guide

 

OL-25970-01

2-5

 

 

 

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Contents Cisco VG350 Voice Gateway Hardware Installation Guide Americas HeadquartersPage N T E N T S Grounding Site Log Chapter Title Description AudienceOrganization Conventions Convention DescriptionSafety Warnings Bewaar Deze InstructiesSäilytä Nämä Ohjeet Conservez CES InformationsBewahren SIE Diese Hinweise GUT AUF Conservare Queste IstruzioniTA Vare PÅ Disse Instruksjonene Guarde Estas InstruçõesSpara Dessa Anvisningar GEM Disse Anvisninger Xiii Xiv Cisco.com Related DocumentationObtaining Documentation Documentation Feedback Obtaining Technical AssistanceOrdering Documentation Cisco Technical Support WebsiteSubmitting a Service Request Definitions of Service Request SeverityObtaining Additional Publications and Information Overview USBVG350 Voice Gateway Chassis AC OKSFP Interfaces and Service CapabilitiesConfiguration Options LED Indicators Physical Description and LEDsLED Color DescriptionCF0/CF1 SFP SpecificationsDescription Specification Transportation and Storage SD/EMI Software Elements Configuration ConnectionsConfiguration Methods OL-25970-01 Cisco Double-Wide High Density Analog Service Modules SM-D-72FXS SM-D-48FXS-E FXS-EInstalling SM-D-72FXS GroundingInstalling SM-D-48FXS-E Connecting SM-D-48FXS-EFaceplate Label RJ-11 OUT RJ-11 Power on Power OFF FXO Fail-Over Bypass PortsFXO BYPASS-0Cisco SM-D-72FXS Service Module Specifications Cisco SM-D-48FXS-E Service Module SpecificationsPhysical Description and LEDs EN LEDPort Numbering Conventions Online Insertion and RemovalInsertion and Removal Steps InsertionTemperature Control and Ventilation Location and Mounting RequirementsAccess to Chassis Chassis GroundingPower Source Power Suppy ConsiderationsDistance Limitations for Interface Cables Cable TypesGigabit Ethernet Maximum Distance FXS Analog Voice Port Maximum DistanceInterference Considerations OL-25970-01 Installing the Cisco VG350 Voice Gateway Safety Recommendations Maintaining Safety with ElectricityPage General Safety Practices Safety TipsSite Log Preventing Electrostatic Discharge DamageTask Verified by Date Keeping Track-ChecklistInstallation Checklist Mounting Tools and Equipment Unpacking and InspectionOL-25970-01 Power-On Procedure Powering On the Cisco VG350 Voice GatewayChecklist for Power-On Continue with the Troubleshooting section on Troubleshooting Symptom Possible Cause Corrective ActionOL-25970-01 Cable Specifications and Information Console and Auxiliary Port Cables and PinoutsConsole Port to PC RTS CTS DTR DSRGND DSR DTR CTS RTSConsole Port to Ascii Terminal Figure A-2 Console Port to Ascii Terminal-Cable and AdapterAuxiliary Port to Modem Alternative Connections to Terminal and ModemRTS DTR DSR DCD CTSPin Signal Gigabit Ethernet Port Pinouts RJ-45TX+ RX+Port Connector Pin Number Signal Analog Voice Multiport Pinouts RJ-21X/CA21ARing Tip 25, 50, 51
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