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CAUTION: Modifying or tampering with PSAX chassis components may void your warranty. Any modification to this equipment not expressly authorized by Lucent Technologies may void your granted authority to operate such equipment. CAUTION: When inserting modules into the chassis, slide them gently, not force- fully.
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Legal Notices, Safety, and Regulatory Infomation Regulatory Standards Compliance • PSAX 1000 system • PSAX 1250 system • PSAX 2300 system • PSAX 4500 system Please refer to the appropriate PacketStar PSAX Multiservice Media Gateway user guide or installation guide for additional information. ®...
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Legal Notices, Safety, and Regulatory Infomation Regulatory Standards Compliance ® 8-Port Voice 2-Wire Station Module User Guide, Issue 1 Release 8.0.0 PacketStar 255-700-261...
Related Reading ............1-2 .1-2 Lucent Technologies Information Products ....... . .1-2 .1-2 Product Information Library .
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Table of Contents Before You Begin............1-9 Comments on This Guide .
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Table of Contents ® Configuring Interfaces Using the AQueView EMS....6-1 Before You Begin ............6-1 .6-1 Errors Applying Interfaces to Ports.
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Table of Contents ® 8-Port Voice 2-Wire Station Module User Guide, Issue 1 Release 8.0.0 PacketStar 255-700-261...
Getting Started Purpose of This Guide ® The PacketStar 8-Port Voice 2-Wire Station Module provides a description of the 8-Port Voice 2-Wire Station module. It also provides the following informa- tion: • PacketStar I/O module configuration overview • Using the PSAX system to configure ports and channels •...
125 years of experience and a dedication to superior customer service. Lucent Technologies manufactures, sells, and services a complete line of cus- tomer premises communications units, and commercial and multimedia communications and messaging systems designed and supported by our research and development unit, Bell Laboratories.
Chapter 1 Getting Started About the PacketStar PSAX Product Family The PacketStar PSAX 1000 Multiservice Media Gateway is designed to provide a full range of central office-based multiservice media gateway functions in a small, competitively-priced package suitable for customer premise deploy- ment.
Chapter 1 Getting Started Document Conventions When it is functioning in a redundant operating mode and after it has experi- enced a single-point failure, the PSAX 2300 system provides up to 1.9 Gbps of ATM cell bus capacity. The total ATM cell bus capacity of the system may also be scaled to provide nonblocking, nonredundant chassis bandwidths beyond 1.9 Gbps.
Chapter 1 Getting Started Document Conventions This guide uses a different typeface to denote text displayed on console inter- face windows and equipment, as well as data you enter. Table 1-1 shows how each typographical convention is used. Table 1-1. Text Conventions Appearance How it is used Labels on module panels, chassis faceplates, or other...
Chapter 1 Getting Started General Document Navigational Guidelines or button functions displayed on the window. You are urged to read all the information in the command description table, especially upon first use, as commands may have special instructions or configuration constraints called out in the Function column cells by use of the Note: text convention (see Table 1-2).
Chapter 1 Getting Started General Document Navigational Guidelines ~ Press the Up, Down, Left, or Right Arrow to highlight (reverse video image) the option name, field name, or command you want to select and press Enter. ~ Use the alternate keys, K=UP, H=LEFT, L=RIGHT to highlight (reverse video image) the option name, field name, or command you want to select and press Enter.
Chapter 1 Getting Started Help Information On all the PSAX system windows, each command or menu option has an underlined letter. The control key plus an underlined letter is a shortcut to that command or menu option. You can use the navigation keys and hotkeys with the Caps Lock key on or off.
8-Port Voice 2-Wire Station module, refer to the Lucent Technologies InterNetworking Systems Global Warranty, which accompa- nied your shipment, for instructions on obtaining support in your area.
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Chapter 1 Getting Started Comments on This Guide ® 8-Port Voice 2-Wire Station Module User Guide, Issue 1 Release 8.0.0 PacketStar 1-10 255-700-261...
Module Description Overview of the 8-Port Voice 2-Wire Station Module The 8-Port Voice 2-Wire Station module provides support for the station (telephone set) end of a two-wire analog telephone line. A telephone or other analog voice device can be connected directly to this module in the Multiservice Media Gateway system over an ATM network.
Chapter 2 Module Description Software Features Software Features The 8-Port Voice 2-Wire Station module can be used to establish a permanent virtual circuit (PVC) on a voice circuit that originates on the same module. This module also provides private-line automatic ring-down (PLAR) service for the PVC.
Chapter 2 Module Description Hardware Features Table 2-1. Physical Hardware Specifications Specification Description Dimensions 17.3 cm H x 2.41 cm W x 23.2 cm D (6.8 in. H x 0.95 in. W x 9.13 in. D) Weight 0.45 kg (1.0 lb.) Operating temperature range 0°...
Chapter 2 Module Description Hardware Features Table 2-3. LED Indicators for the 8-Port Voice 2-Wire Station Module Module Status One or More Initial No Cable on Configured Configured Cable on Port Power-On Port Ports Ports FAIL Lights Not lit Lights only (red) briefly when the...
Configuring Ports and Channels Using the Console Interface Overview of This Chapter This chapter describes how to use the console interface to perform the fol- lowing tasks: • Setting the values for the port and channel configuration of the 8-Port Voice 2-Wire Station module •...
Chapter 3 Configuring Ports and Channels Using the Console Interface Obtaining General Module Data and Accessing Ports and Channels Accessing the Equipment Configuration Window Begin 1 On the Console Interface Main Menu window, select the Equipment Configuration option. The Equipment Configuration window is displayed (see Figure 3-1 through Figure 3-5).
Chapter 3 Configuring Ports and Channels Using the Console Interface Obtaining General Module Data and Accessing Ports and Channels Figure 3-2. Sample Equipment Configuration Window on a PSAX 1250 System (Page 1) Figure 3-3. Sample Equipment Configuration Window on a PSAX 2300 or PSAX 4500 System (Page 1) ®...
Chapter 3 Configuring Ports and Channels Using the Console Interface Obtaining General Module Data and Accessing Ports and Channels Figure 3-4. Sample Equipment Configuration Window on a PSAX 1000, PSAX 2300, or PSAX 4500 System (Page 2) Figure 3-5. Sample Equipment Configuration Window on a PSAX 1250 System (Page 2) Commands The commands on this window have the following functions.
Chapter 3 Configuring Ports and Channels Using the Console Interface Obtaining General Module Data and Accessing Ports and Channels Table 3-1. Commands for the Equipment Configuration Window Command Function Update Equipment Display Refreshes the current status of the mod- ules in the PSAX chassis Page Down Displays the second page of the Equip- ment Configuration window.
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Chapter 3 Configuring Ports and Channels Using the Console Interface Obtaining General Module Data and Accessing Ports and Channels Table 3-2. Field Descriptions for the Equipment Configuration Window (Continued) Field Name Field Values Description Alarm Status Default: No Alarm Displays the present alarm condition of the mod- ule.
Chapter 3 Configuring Ports and Channels Using the Console Interface Configuring the Module The alarm status descriptions for the Alarm Status field on the Equipment Configuration window are provided in Table 3-3. When underscored num- bers are displayed in this field, they represent one or more ports on the mod- ule that currently have a loss of signal.
Chapter 3 Configuring Ports and Channels Using the Console Interface Configuring the Module Configuring the Ports Begin 1 On the Console Interface Main Menu window (see Figure 3-6), select the Equipment Configuration option and press Enter. Figure 3-6. Console Interface Main Menu (Equipment Configuration Selected) The Equipment Configuration window (see Figure 3-7) is displayed.
Chapter 3 Configuring Ports and Channels Using the Console Interface Configuring the Module Figure 3-7. Equipment Configuration Window (As Displayed on the PSAX 1000, PSAX 1250, PSAX 2300, and PSAX 4500 Console) 2 On the Equipment Configuration window, select the 8-Port Voice 2-Wire Station.
Chapter 3 Configuring Ports and Channels Using the Console Interface Configuring the Module The Two Wire Station Configuration window (see Figure 3-8) is dis- played. Figure 3-8. Two Wire Station Configuration Window Commands Table 3-4 describes the commands on the window: Table 3-4.
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Chapter 3 Configuring Ports and Channels Using the Console Interface Configuring the Module Table 3-4. Commands for the Two Wire Station Configuration Window Command Function Bring All Interfaces Into Brings the out-of-service configured inter- Service faces for all four ports to in-service status. The value InService is displayed in the Oper Status field for all four ports.
Chapter 3 Configuring Ports and Channels Using the Console Interface Configuring the Module The Two Wire Station Port and Channel Configuration window (see Figure 3-9) is displayed. Figure 3-9. Two Wire Station Port and Channel Configuration window Commands Table 3-5 describes the commands on the window: Table 3-5.
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Chapter 3 Configuring Ports and Channels Using the Console Interface Configuring the Module 4 Select the values for the fields on this window from the values given in Table 3-6. Table 3-6. Field Descriptions for the Two Wire Station Port and Channel Configuration Window Field Name Field Values Description...
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Chapter 3 Configuring Ports and Channels Using the Console Interface Configuring the Module Table 3-6. Field Descriptions for the Two Wire Station Port and Channel Configuration Window Field Name Field Values Description [Line Status] Indicates the Line Status of the (display only) interface.
Chapter 3 Configuring Ports and Channels Using the Console Interface Saving the Equipment Configuration and Logging Off Table 3-6. Field Descriptions for the Two Wire Station Port and Channel Configuration Window Field Name Field Values Description Service Type Default: Plar Private line automatic ringdown.
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Chapter 3 Configuring Ports and Channels Using the Console Interface Saving the Equipment Configuration and Logging Off After configuring the module ports and channels, the interface types for each port and channel, and the connections, you must save the values to the PSAX system database.
Configuring Interfaces Using the Console Interface Before You Begin Before you can set interface configuration values, you must have selected an interface type value other than Unconfigured in the Interface Type field on the 8-Port Voice 2-Wire Station module’s Port and Channel configuration window.
Chapter 4 Configuring Interfaces Using the Console Interface The Circuit Emulation Interface • Taking interface(s) out of service • Viewing interface(s) • Deleting interface(s) • Viewing interface statistics Configuring a Circuit Emulation Interface This section provides instructions for configuring an I/O module for the cir- cuit emulation interface.
Chapter 4 Configuring Interfaces Using the Console Interface The Circuit Emulation Interface Figure 4-1. Circuit Emulation Interface Configuration Window Commands The commands on this window have the following functions: Table 4-1. Commands for the Circuit Emulation Interface Window Command Function Bring Interface Into Service Brings an out-of-service configured inter- face to in-service status.
Chapter 4 Configuring Interfaces Using the Console Interface The Circuit Emulation Interface Table 4-1. Commands for the Circuit Emulation Interface Window Command Function Add Interface Applies the configuration field values you set. Delete Interface and Return Deletes an out-of-service interface and redisplays the Port and Channel Configu- ration window for the module you are configuring.
Chapter 4 Configuring Interfaces Using the Console Interface The Circuit Emulation Interface Begin Note: You may bring the Circuit Emulation interface into service from either of these windows: • the module port and channel configuration window, or • the Circuit Emulation Interface Configuration Window. Make sure that the module configuration is complete before bringing the interface into service.
Chapter 4 Configuring Interfaces Using the Console Interface The Circuit Emulation Interface Begin The Circuit Emulation Interface Statistics are viewed on the Port Statistics window of the module you are using for the Circuit Emulation Interface. Access this window from the module port and channel configuration win- dow.
Chapter 4 Configuring Interfaces Using the Console Interface The Circuit Emulation Interface • the Circuit Emulation Interface Configuration Window. In either case, you must first take the interface out of service. To delete the interface on the Circuit Emulation Interface Configuration Win- dow, proceed as follows: 1 Select the Take Interface Out Of Service command.
Chapter 4 Configuring Interfaces Using the Console Interface The Circuit Emulation Interface 3 View the parameters of the interface you do not want to be sure you are choosing the right one. See the procedure in the section, “Viewing the Parameters for an Circuit Emulation Interface.”...
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Chapter 4 Configuring Interfaces Using the Console Interface The Circuit Emulation Interface ® 8-Port Voice 2-Wire Station Module User Guide, Issue 1 Release 8.0.0 PacketStar 255-700-261...
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Chapter 4 Configuring Interfaces Using the Console Interface The Circuit Emulation Interface ® 8-Port Voice 2-Wire Station Module User Guide, Issue 1 Release 8.0.0 PacketStar 4-10 255-700-261...
Configuring Ports and Channels ® Using the AQueView Overview of This Chapter This chapter describes how to use the AQueView EMS to perform the follow- ing tasks: • Setting the values for the port and channel configuration of the 8-Port Voice 2-Wire Station module •...
® Chapter 5 Configuring Ports and Channels Using the AQueView Accessing Configuration Options Option Function Configure Opens the port and channel configuration window of a module. Bring All Interfaces Into Sets all configured interfaces on a channel Service administratively into service. Take All Interfaces Out of Takes all configured interfaces on a chan- Service...
® Chapter 5 Configuring Ports and Channels Using the AQueView Configuring the Module Figure 5-3. Device Tree and Device Window (Displaying a Typical Setup) Configuring the Module To configure the ports of a 8-Port Voice 2-Wire Station, perform the steps in the following procedure.
® Chapter 5 Configuring Ports and Channels Using the AQueView Configuring the Module Figure 5-4. Front Panel View of the Voice 2-Wire Station Module The 2-Wire Station Port and Channel Configuration window opens (see Figure 5-5). 2 Select the values for the fields as described in Table 5-1. 3 Click Apply.
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® Chapter 5 Configuring Ports and Channels Using the AQueView Configuring the Module Figure 5-5. 2-Wire Station Port and Channel Configuration Window This window contains: ~ The Port Configuration page, which lets you do the following: • Select and apply port settings •...
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® Chapter 5 Configuring Ports and Channels Using the AQueView Configuring the Module Button Function Close Closes this window. Apply Applies the configuration field value you set. Reset Resets the fields to the last set of applied values. Copy Copies the port configuration to a range of ports. Table 5-1.
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® Chapter 5 Configuring Ports and Channels Using the AQueView Configuring the Module Table 5-1. Field Descriptions for the Two Wire Station Port and Channel Configuration Window Field Name Field Values Description Line Status Indicates the Line Status of the (display only) interface.
® Chapter 5 Configuring Ports and Channels Using the AQueView Configuring the Module Table 5-1. Field Descriptions for the Two Wire Station Port and Channel Configuration Window Field Name Field Values Description Voice Compression None Voice compression is disabled. (display only) Companding Law MuLawPCM The PCM coding and companding standard used in...
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® Chapter 5 Configuring Ports and Channels Using the AQueView Configuring the Module The buttons on this window have the following functions: Button Function Apply to Selected Applies the configuration field value you set. Close Closes this window. 2 In the Channel Configuration page, either click the arrow in the Interface Type field (in the middle of the window) or double-click the channel in the Interface Type field.
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® Chapter 5 Configuring Ports and Channels Using the AQueView Configuring the Module ® 8-Port Voice 2-Wire Station Module User Guide, Issue 1 Release 8.0.0 PacketStar 5-10 255-700-261...
Configuring Interfaces Using the ® AQueView Before You Begin Before you can set interface configuration values, you must have selected an interface type value other than Unconfigured in the Interface Type field on the 8-Port Voice 2-Wire Station module’s Port and Channel configuration window.
® Chapter 6 Configuring Interfaces Using the AQueView The Circuit Emulation Interface Figure 6-1. Circuit Emulation Interface Configuration Window The buttons on this window have the following functions: Button Function Retrieve from NSAP database If you have previously established an NSAP address database, click this button to retrieve an entry from this list to pop- ulate the Local NSAP Address (Hex)
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® Chapter 6 Configuring Interfaces Using the AQueView The Circuit Emulation Interface Button Function Bring Into Service Displays when the Administrative Status field is OutOfService. Brings an out-of- service configured interface to in-service status. The value InService appears in the Administrative Status field. You must first configure the interface before you can use this button.
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® Chapter 6 Configuring Interfaces Using the AQueView The Circuit Emulation Interface Button Function Calculate Navis NSAP Note: This button appears only when you Address configure user properties to include the Navis NSAP format. For more informa- tion, see the appropriate Navis™ AQueView Element Management System User Guide.
® Chapter 6 Configuring Interfaces Using the AQueView The Circuit Emulation Interface Button Function Apply Applies the configuration field value you set. Reset Resets the fields to the last set of applied values. Configuring Circuit Emulation Interface Values To set the values for the Circuit Emulation interface, perform the steps in the following procedure.
® Chapter 6 Configuring Interfaces Using the AQueView Provisioning Connections Table 6-1. Field Descriptions for the Circuit Emulation Interface Configuration Window Field Names Field Values Description Speed Adaptation Default: Enabled Refers to robbed-bit signaling in circuit emulation interfaces. Range: N/A Format: predefined alphanumeric Disabled...
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® Chapter 6 Configuring Interfaces Using the AQueView Provisioning Connections Before you provision connections for the modules, you must have first com- pleted the following tasks: • Set the configuration values for one or more ports on the module • Set the configuration values for the various types of interfaces on the mod- ®...
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® Chapter 6 Configuring Interfaces Using the AQueView Provisioning Connections ® 8-Port Voice 2-Wire Station Module User Guide, Issue 1 Release 8.0.0 PacketStar 255-700-261...
Wiring Configurations Purpose of this Appendix This appendix shows the RJ-12 wiring configuration for the Voice 2-Wire Station module. Figure A-1. RJ-12 Wiring Configuration ® 8-Port Voice 2-Wire Station Module User Guide, Issue 1 Release 8.0.0 PacketStar 255-700-261...
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Appendix A Wiring Configurations Purpose of this Appendix ® 8-Port Voice 2-Wire Station Module User Guide, Issue 1 Release 8.0.0 PacketStar 255-700-261...
Reference Information Overview of This Appendix This appendix contains reference tables that are helpful while configuring your PSAX Multiservice Media Gateway system. The following types of infor- mation are provided: • DSP Tone Detection Modes Table • DSP2C Module Channel Reduction When Using Fax Relay Mode Table •...
Appendix B Reference Information Industry Compliance Specifications Table B-2. Channel Reduction Availability Caused by Fax Relay Connections vs. Voice Processing Connections on a DSP2C Module Number Percent of All DSP Total Connections Remaining Voice of DSPs Connections Assigned for Processing Available for Fax Assigned for Fax Fax Relay...
Appendix B Reference Information Industry Compliance Specifications Table B-3. Industry Compliance Specifications Feature Name/Product Name Specification Title Notes ATM Maintenance Mode af-pnni-0066000 In-band Management SVC Private Network-Network Inter- face (PNNI) Addendum (Soft PVC) Traffic Management (UPC Sup- af-tm-0121.000 Route Server-to-ATM port) Interworking: Section 5.5 Traffic Management, Usage...
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Appendix B Reference Information Industry Compliance Specifications Table B-3. Industry Compliance Specifications (Continued) Feature Name/Product Name Specification Title Notes GR-303 DLC Services ANSI T1.602 VTOA AAL2 Trunking Narrow- Integrated Services Digital Net- band Services work (ISDN)- Data-link Layer Signaling Specification for Application at the User-Network Interface GR-303 DLC Services...
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Appendix B Reference Information Industry Compliance Specifications Table B-3. Industry Compliance Specifications (Continued) Feature Name/Product Name Specification Title Notes ETSI 300 402-1 Integrated Services Digital Net- work (ISDN), Digital Subscriber Signaling System No. 1 (DSS1) Protocol; Data Link Layer, Part 1: General Aspects ETSI 300 402-2 Integrated Services Digital Net-...
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Appendix B Reference Information Industry Compliance Specifications Table B-3. Industry Compliance Specifications (Continued) Feature Name/Product Name Specification Title Notes ITU-T G.702 General Aspects of Digital Trans- mission Systems— Terminal Equipment: Digital Hierarchy Bit Rates 1.544 Mbps, 2.048 Mbps, ITU-T G.704 44.736 Mbps;...
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Appendix B Reference Information Industry Compliance Specifications Table B-3. Industry Compliance Specifications (Continued) Feature Name/Product Name Specification Title Notes ITU-T G.751 Digital multiplex equipments operating at the third order bit rate of 34 368 kbit/s and the fourth order bit rate of 139 264 Kbps and using positive justifica- tion ITU-T G.823...
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Appendix B Reference Information Industry Compliance Specifications Table B-3. Industry Compliance Specifications (Continued) Feature Name/Product Name Specification Title Notes ITU-T G.991.2 Draft: Single-pair high speed digital subscriber line (SHDSL) transceivers ITU-T G.992.1 Asymmetric Digital Subscriber Line (ADSL) transceivers ITU-T G.992.2 Splitterless Asymmetric Digital Subscriber Line (ADSL) trans- ceivers...
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Appendix B Reference Information Industry Compliance Specifications Table B-3. Industry Compliance Specifications (Continued) Feature Name/Product Name Specification Title Notes Multiplexing support ITU-T I.363.2 B-ISDN ATM Adaptation Layer specification: Type 2 AAL ITU-T I.363.5 B-ISDN ATM Adaptation Layer specification: Type 5 AAL VTOA AAL2 Trunking Narrow- ITU-T I.366.1 band Services...
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Appendix B Reference Information Industry Compliance Specifications Table B-3. Industry Compliance Specifications (Continued) Feature Name/Product Name Specification Title Notes ITU-T I.432.4 B-ISDN User-Network- Physical Layer Specification: 51 840 Kbps Operation ITU-T Q.922 Annex A Digital Subscriber Signaling Sys- tem No.1 (DSS 1) Data Link Layer: ISDN Data Link Layer Specification for Frame Mode Bearer Services...
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Appendix B Reference Information Industry Compliance Specifications Table B-3. Industry Compliance Specifications (Continued) Feature Name/Product Name Specification Title Notes ITU-T Q.2931 B-ISDN Application protocols for access signalling—Broad- band Integrated Services Digital Network (B-ISDN)— Digital Subscriber Signalling System No. 2 (DSS 2)—User Network Interface (UNI) Layer 3 Specifi- cation For Basic Call/Connec- tion Control...
Appendix B Reference Information Interface Type by Connection Type Table Interface Type by Connection Type Table Table B-4. Connection Type by Interface Type Table Interface Connection AAL2 Trunking ATM-to-ATM vir- tual channel con- nection (VCC) PVC ATM-to-ATM vir- tual path connec- tion (VPC) PVC Bridge-to-ATM VCC PVC...
Appendix B Reference Information Interface Type by Input/Output Module Type Table Table B-5. Interface Types by I/O Module Types Interface Module DS1/T1 Interface Modules 6-Port DS1 IMA IMA DS1 6-Port Enhanced DS1/T1 Multiservice DS1/T1 Enh 12-Port Medium- Density DS1 Multiservice ( 12-Port Medium- Density DS1 IMA MD DS1 IMA...
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Appendix B Reference Information Interface Type by Input/Output Module Type Table Table B-5. Interface Types by I/O Module Types (Continued) Interface Module DS3, E3, and STS-1e Interface Modules 1-Port Channelized DS3 Multiservice CH DS3 1-Port Channelized DS3 CES ( CH DS3 1-Port DS3 IMA DS3 IMA 1-Port...
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Appendix B Reference Information Interface Type by Input/Output Module Type Table Table B-5. Interface Types by I/O Module Types (Continued) Interface Module STS-1e Interface Modules 1-Port Channelized STS-1e, T1 Format CH STS-1e T1 OC-3/OC-3c Interface Modules 1-Port OC-3c Single-Mode with AQueMan ( OC-3c (SM AQ)
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Appendix B Reference Information Interface Type by Input/Output Module Type Table Table B-5. Interface Types by I/O Module Types (Continued) Interface Module 1-Port STM-1 Multimode with Traffic Shaping STM-1 (MM TS) 1-Port STM-1 Single-Mode with Traffic Shaping STM-1 (SM TS) 1-Port STM-1 1+1 MSP Multimode STM-1 MM MSP...
Appendix B Reference Information Module Alarm Status Table Table B-5. Interface Types by I/O Module Types (Continued) Interface Module Quadserial ( QUAD SERIAL 6-Port Multiserial SERIAL Ethernet Interface Modules Ethernet ( ENET 4-Port Ethernet ENET European modules do not support this interface with the 8-Port Voice 2-Wire Station or 4-Port 2-Wire Office module.
Appendix B Reference Information 8-Port Voice 2-Wire Station Module Line Status Table Table B-6. Alarm Status Descriptions for Modules on the Equipment Configuration Window (Continued) Module Type Number Alarm Status Description Affected Overload Power Supply The Power Supply is operating under an overload condition.
Appendix B Reference Information Quality of Service (QOS) Tables Table B-8. PSAX System-Supported Quality of Service Classes ATM Service Class Description Constant Bit Rate (CBR) This service operates on a connection basis and offers consistent delay predictability. CBR is used for applications such as circuit emulation, voice, and video.
Appendix B Reference Information Quality of Service (QOS) Tables based on your network applications supported by the PSAX system. The flex- ibility of the PSAX system allows you to tailor the system based on the required service applications by selecting the appropriate priority levels. Table B-10.
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Appendix B Reference Information Quality of Service (QOS) Tables ® 8-Port Voice 2-Wire Station Module User Guide, Issue 1 Release 8.0.0 PacketStar B-22 255-700-261...
Glossary AAL1 ATM adaptation layer type 1. This layer supports Class A traffic (uncompressed, digitized voice and video). AAL2 ATM adaptation layer type 2. This layer supports Class B traffic (variable bit rate compressed voice and video). AAL2 trunking A multiplexed connection established between two switching systems that supports Class B traffic (AAL2).
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Glossary frequency shift keying. A modulation technique for data transmission that shifts the frequency above the carrier for a 1 and below the carrier for a 0. fax demodulation/remodulation A technique for taking a Group III fax signal and converting it from, or back to, its original 9.6 Kbps. For example, when a fax is inserted into a fax machine, the fax machine scans it to digital bits -- a stream of 9600 bps.
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