For service, RMA requests, or further information, contact one of the numbers listed on the last page of this manual. Keep the original shipping container to use for future shipment or verification of damage during shipment. An 8- position modular to 8-position modular cable is included for 4-Wire Switched 56 backup options. For V. This cable converts the EIA on the rear panel of the unit to V.
The pinout for the V. Each DSU unit is provided with a captive eight-foot power cord, terminated by a three-prong plug which connects to a grounded VAC power receptacle. See Table on page A- 2 for the connector's pin assignments. The pinouts for each of the dial backup options are located in Table A-3 on page A The maximum cables length recommended is 50 feet for EIA The EIA interface should be used only for speeds up to Speeds over These profiles are listed in the appendix Configuration Profiles on page B- 1.
The unit is shipped from the factory with profile 1 default configuration loaded into the nonvolatile configuration memory. If profile 1 matches the desired system requirements, then no additional configuration is required to put the unit into service. If profile 1 does not match the desired system requirements, modify the default configuration or select another profile more closely matching the desired configuration and modify. When a new profile is loaded or the existing profile is modified, it is stored in the nonvolatile configuration memory.
See the chapter Manual Command on page for information on loading default configuration profiles. DTE Rate CD Option CS Option Tx Clock Option Loop Rate Test Timout For more information see the chapter Configuration Overview on page All menu operations are displayed in the LCD window. The opening menu is the access point to all other operations. Each main menu item has several functions and submenus to identify and access specific parameters.
These items are described in the following sections. The current port number displays in reverse video in the upper right corner of the screen. The current port can be changed in the network rate screen see Figure by pressing the desired port number on the keypad.
Pressing the number of a port while any other screen is displayed causes the display to jump to the next screen. The second screen of the Status display indicates the current loop rate either 56K or 64K on the first line. The DTE data rate and format as selected in configuration are shown on the second line. While this screen is displayed, the current port can be changed by pressing the desired port number on the keypad.
The remote. The number of errored seconds encountered up to a maximum of in multiplexer frames is displayed. Errored seconds can be caused by various conditions including the following:. The errored seconds can be cleared to by pressing 1 while the errored seconds are displayed. The status of the main telco line is indicated by one of the following messages:.
The T EST selection is used to control local and remote testing. Select local or remote testing, and select the type of test and test pattern when required. See the chapter Testing and Troubleshooting on page 4 -1 for more information. Configuration is used to select network and DTE operating parameters. D IAL provides manual dialing functions. Key in a number to dial or select one of the ten stored numbers.
See the chapter Dial Options on page for more information. The four function keys are defined below:. To choose a menu item, press the corresponding number or alpha character on the keypad. Press Shift to activate menu items with alpha selections.
The item flashes on and off to show it is the currently selected active choice. Pressing either the Up or Down Arrow scrolls through the available menu items. Press Enter to select the flashing item. Use the Up and Down Arrows to view submenu items. Descriptions of the display keys and LEDs located on the front panel follow the figure.
Selects active menu items. To activate a menu item, press the number of the item. When the menu item is flashing, press Enter to select it.
A submenu item is invoked or a configuration parameter is set. The numeric keypad contains the numbers 0 through 9 and alpha characters A through F, which are used to activate menu items. Numbers 0 through 9 are used to enter parameters. Alpha characters are entered by pressing Shift before each desired character. To activate a menu item designated by an alpha character rather than a number, display the menu item using the Up and Down Arrows , press Shift and then the letter.
Press Enter to select the item. If a key is pressed without using Shift , the numbered item becomes active instead of the alpha item.
If this happens, repeat the correct procedure. During most operations, the Quick key returns immediately to the main menu. During a test, the Quick key displays the exit test screen. The Quick key functions are defined in Table 3 Stops the current activity and returns to the previous menu. Repeat until the desired menu level is reached. When a submenu item is displayed, press Cancel to exit the current display and return to the previous menu. Up and Down Arrows scroll through the submenu items available in the current menu.
Submenu items display two at a time in a circular or wrapping fashion. When the submenu items are scrolled, they continuously appear from beginning to end in a forward Down Arrow or reverse Up Arrow pattern.
These LEDs are identified as follows:. Welcome to ManualMachine. We have sent a verification link to to complete your registration.
Log In Sign Up. Forgot password? Enter your email address and check your inbox. Please check your email for further instructions. Enter a new password. FCC regulations require that the following information be provided in this manual: 1.
This unit contains no user serviceable parts. Do not use the telephone to report a gas leak in the vicinity of the leak. Table of Contents List of Figures. In most areas, the sum of the RENs of all devices should not exceed five. To be certain of the number of devices you may connect to your line as determined by the REN, call your telephone company to determine the maximum REN for your calling area.
This equipment may not be used on coin service provided by the telephone company. Connection to party lines is subject to state tariffs. Contact your state public utility commission or corporation commission for information.
These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio frequencies. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.
Change or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
Cet appareil nuerique respecte les limites de bruits radioelectriques applicables aux appareils numeriques de Class A prescrites dans la norme sur le materiel brouilleur: "Appareils Numeriques," NMB edictee par le ministre des Communications. This certification means that the equipment meets certain telecommunications network protective, operational, and safety requirements. The Department does not guarantee the equipment will operate to the user's satisfaction.
Before installing this equipment, users should ensure that it is permissible to be connected to the facilities of the local telecommunications company. The equipment must also be installed using an acceptable method of connection. In some cases, the company's inside wiring associated with a single line individual service may be extended by means of a certified connector assembly telephone extension cord.
The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations. Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier.
Any repairs or alterations made by the user to this equipment, or equipment malfunctions, may give the telecommunications company cause to request the user to disconnect the equipment. Users should ensure for their own protection that the electrical ground connections of the power utility, telephone lines and internal metallic water pipe system, if present, are connected together.
This precaution may be particularly important in rural areas. Caution: Users should not attempt to make such connections themselves, but should contact the appropriate electric inspection authority, or an electrician, as appropriate. The Load Number LN assigned to each terminal device denotes the percentage of the total load to be connected to a telephone loop which is used by the device, to prevent overloading. The termination on a loop may consist of any combination of devices subject only to the requirement that the total of the Load Numbers of all devices does not exceed Introduction Product Overview Installation Unpack, Inspect, Power Up Operation Front Panel Configuration Overview Configuration Methods Configuring Network Options Network Options Configuring Test Options Test Options Configuring Dial Options Dial Options Configuring Management Functions Interface Configuring Unit Utilities Manual Command Testing and Troubleshooting Test Overview Activating Dial Functions Dial Options Viewing Status Information Status AT Commands Terminal Menu Structure Configuration Profiles DSU to Modem Interconnect Specifications Summary To ensure a reliable connection, the unit features an extended receiver capability which permits operation over long loops 3.
The V. An additional rate of The unit can be configured to run slower DTE rates async or sync over the 56 or 64 kbps service. The regional operating companies provide the 4-wire local loop service to SW56 customers. SNMP The term SNMP broadly refers to the message protocols used to exchange information between the network and the managed devices, as well as to the structure of network management data bases.
SNMP has three basic components: Network Manager Control program that collects, controls, and presents data pertinent to the operation of the network devices. It resides on a network management station. Agent Control program that resides in each network device connected. This program responds to queries and commands from the network manager and returns requested information or invokes configuration changes initiated by the manager.
MIB Index to the organized data within a network device. It defines the operation parameters that can be controlled or monitored. Introduction requires the optional ESP ethernet card part number L1. This card provides a 10baseT ethernet interface to the LAN. See the chapter Applications and the appendix Terminal Menu Structure for more information. See the chapter Installation for information on installing DBU cards. The three backup options are described in the following sections. Contact the local telco provider to determine which services are available in your area.
See the chapter Applications for more information, including an example of a dial backup application. The ESP V. This card supports DTE rates of 2. An additional DTE rate of Introduction V. FC modes. This allows the V. In asynchronous mode the throughput at In addition to 56 and 64 kbps synchronous DTE rates, the card also supports synchronous and asynchronous DTE rates of 2.
The card also supports the DTE rate of For service, RMA requests, or further information, contact one of the numbers listed on the inside back cover of this manual. An 8-position modular to 4-position modular cable for the V. An 8-pin telco jack, a control port, a captive power cord, and a power switch are also located on the rear panel. Pin assignments for these connectors are listed in the appendix Pinouts.
S4W, V. To insert cards, perform the following procedure: 1. Slide the card into the corresponding rear slot until the card panel is flush with the DSU IV chassis. Push card locks in until they click to secure the card and ensure proper installation. Card slots are keyed to prevent improper installation i. Remove power from the unit prior to installing or removing ESP option cards.
The telco connector is used for connecting to the DDS network. The pinout for this connector is listed in the appendix Pinouts. The pinout for the connector depends on the card type. Pinouts for 4-wire Switched 56, V. EIA and V. The maximum cable lengths recommended are 50 feet for the EIA, and feet for the V. The pin assignments for the connectors are listed in the appendix Pinouts. Installation The V. The EIA connector works up to 56 kbps with a low capacitance cable or with the external transmit clock option selected.
The primary DTE rate is configured from the front panel. The primary DTE equipment can operate in asynchronous or synchronous modes. To prevent possible radio frequency interference emissions, a shielded cable is required.
A description of the operation of this port is covered in the Operation chapter. The pinouts are identical when operating in an SNMP management mode. Descriptions of each part of the front panel follow. LCD Window Displays menu items and messages in 2 lines by 16 characters. Enter Selects active menu items. To select a menu item, press the number of the item. The menu item flashes, indicating it is activated.
Press Enter to select the menu item. Keypad The keypad contains dual-function keys numbered 0 through 9 with alpha characters A through F. These keys are used to activate menu items and enter information. Shift Enter alpha characters by pressing and releasing Shift before pressing the key representing the desired character. To activate a menu item designated by an alpha character rather than a number press Shift and then the letter.
The menu item flashes, indicating which parameter is activated. Press Enter to select the item. If a key is pressed without using Shift, the numbered item becomes active instead of the alpha item.
Operation Cancel Pressing the Cancel key stops the current activity and returns to the previous menu. Repeat until the desired menu level is reached. When a submenu item is displayed, press Cancel to exit the current display and return to the previous menu.
Up and Down Arrows Up and Down Arrows scroll through the submenu items available in the current menu. Up and Down Arrows Scroll through the submenu items available in the current menu. Enter Key Selects active menu item. Keypad Activates menu items and enters numeric information. Shift Activates alpha selections.
Operation Front Panel Menu Navigation To choose a menu item, press the corresponding number or alpha character on the keypad. Press Shift to activate menu items with alpha selections.
The flashing menu item indicates which selection is activated. The activated menu item will flash. Press Enter. Use the arrow keys to view submenu items. Press the number corresponding to the desired loop rate. All menu operations are displayed in the LCD window or the terminal. See Figure for the terminal Main menu. The opening menu is the access point to all other operations. Each Main menu item has several functions and submenus to identify and access specific parameters. Status Status menus display all relevant information for the network and DTE interfaces.
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Enter the Gateway node IP address in dotted decimal notation. This filter must be enabled though the IP Security field. The default value is public. If using front panel entry, see the section Entering Letters Using the Front Panel in this chapter for more information. The default value is private.
The default value is dsuiv.
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