Installation manual

ManualsBrandsDigicom ManualsModemCOMSPHERE 3910

COMSPHERE 3900 Series Modems

Models 3910 and 3911

Installation Instructions

Document Number 3910-A2-GK41-40

February 2002

Overview

The COMSPHERE 391x Series modem family is available in two models: the Model 3910 (a standalone

modem), and the Model 3911 (a carrier-mounted version of the standalone unit). This document provides the

following information:

• A list of equipment supplied with the modem

• A list of customer supplied equipment

• Installation instructions

• Important safety instructions

• Regulatory notices

• Government requirements and equipment return information

This document is intended to be used in conjunction with the COMSPHERE 3900 Series Modems, Models 3910

and 3911 Point-to-Point/Multipoint, Installation and Operation Manual, Document No. 3910-A2-GN32. This

manual is available online at www.paradyne.com. Select Library -> Technical Manuals -> Business Class

Analog Modems.

391x Series Modem Package

After opening the modem’s package, check for damage and verify that the following items are present:

For the standalone model

• Installation instructions

• Model 3910 modem

• Power supply

• One 6-position, 4-wire modular cord (in selected models)

• One 8-position, 8-wire modular cord (in selected models)

For the carrier-mounted model

• Installation instructions

• Model 3911 modem

• Rear connector plate with two DB-25-S edge card connectors

Summary of content (16 pages)

PAGE 1
COMSPHERE 3900 Series Modems Models 3910 and 3911 Installation Instructions Document Number 3910-A2-GK41-40 February 2002 Overview The COMSPHERE 391x Series modem family is available in two models: the Model 3910 (a standalone modem), and the Model 3911 (a carrier-mounted version of the standalone unit).
PAGE 2
If any hardware components are damaged, notify your sales representative. Return equipment using the procedures described in the Government Requirements and Equipment Return section. Customer-Supplied Equipment The following customer-supplied equipment is required to complete a data communications system using the Model 3910 modem: • A DTE with an available EIA-232-D serial port. • A standard EIA-232-D cable with a DB-25-P (plug) connector at one end to attach to the modem.
PAGE 3
The rear panel of the Model 3910 modem (Figure 1) has the following switches and connectors: • An ON/OFF power switch. • An 8-pin DIN type power receptacle for the dc power supply. • An 8-pin modular keyed jack for 4-wire/2-wire leased lines. • An 8-pin modular keyed jack for dial (PSTN) lines. • A 4-pin modular jack for the Network Management System (NMS) connection. • A 25-pin DB-25-S receptacle for the DTE interface.
PAGE 4
DTE Connection Use the following procedures to connect the EIA-232-D cable from the modem to the DTE: 1. Make sure the modem’s rear panel power switch is OFF. 2. Connect the DB-25-P (plug) connector on the cable to the DB-25-S (socket) connector labeled DTE (Figure 1) on the modem’s rear panel. Use a small screwdriver to secure the cable to the modem. 3. Connect the DB-25-P connector on the cable to the DB-25-S connector on the DTE. Use a small screwdriver to secure the cable to the DTE.
PAGE 5
Power Supply Connection Use the following procedures to connect the modem to an ac power outlet: 1. Make sure the modem’s power switch is in the OFF position. 2. Insert the power supply’s 8-pin DIN connector into the modem’s rear panel dc power receptacle (Figure 1). 3. Connect the power supply to a grounded ac power outlet. Modem Power-Up Once your modem is properly connected to the power supply, leased and/or dial lines, and the DTE, press the modem’s rear panel power switch to the ON position.
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2. Press the key until Factory comes into view, then press the F1 key to display the factory preset configurations. 3. Press the key until the appropriate factory preset appears on the LCD, and press the corresponding function key to select your choice. (For certain factory presets you will also need to choose the appropriate mode.) 4. Choose Function appears and displays the Edit and Save functions. 5.
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To change a factory template using AT commands, perform the following steps. For more information on changing factory templates using AT commands, refer to Chapter 5, AT Command Set and S-Registers, in Document No. 3910-A2-GN32. 1. Use the AT&F&W command to load the appropriate factory configuration to the appropriate storage area. Enter the following: TYPE: AT&Fy&Wn Where: y is one of the Factory configurations.
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Removing and Replacing Model 3910 Modems To remove and replace a Model 3910 modem, perform the following steps: 1. Make sure the modem is offline, and press the modem’s rear panel power switch to the OFF position. 2. Disconnect the power cord from the ac power outlet, and then disconnect the dc power cable from the connector on the rear of the modem. 3. Disconnect the dial and leased-line modular cords from the modem’s rear panel. 4. Disconnect the DTE interface cable from the modem’s rear panel.
PAGE 9
2. At the front of the carrier, hold the modem vertically, with the latch on its faceplate in the open position, and insert it into the top and bottom card guides of one of the slots numbered 1–16 (Figure 2). Slide the modem into the slot, aligning the modem with the rear connector plate, until the backplane connector and DTE connector seat firmly into the back of the carrier. The faceplate latch automatically closes as you push the modem into the carrier.
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5. Press the Select key to place the SDCP in direct communication with the selected modem. The LCD displays the Top-Level menu for the selected modem. In addition, the Front Panel LED on the modem’s faceplate and the OK LED on the SDCP light. 6. Once you have determined that the modem is installed properly and completed its power-up self-test, rotate the circuit pack lock until it covers the faceplate latch (Figure 3) and tighten the retention screw on the circuit pack lock.
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Removing and Replacing Model 3911 Modems CAUTION If the Model 3911 is removed from the carrier, always use a ground strap when handling the modem. Always store the Model 3911 in an antistatic bag when it is removed from the carrier. It is not necessary to power down the carrier to remove and replace a Model 3911 modem. Perform the following steps: 1. Rotate the circuit pack lock until the release tab is exposed. 2. Press down on the release tab and pull the modem away from the carrier’s backplane.
PAGE 12
Displays current status of modem along with data rate and error control mode.
PAGE 13
Important Safety Instructions 1. Read and follow all warning notices and instructions marked on the product or included in this document. 2. This product is intended to be used with a three-wire grounding type plug — a plug which has a grounding pin. This is a safety feature. Equipment grounding is vital to ensure safe operation. Do not defeat the purpose of the grounding type plug by modifying the plug or using an adapter.
PAGE 14
Notices WARNING THIS EQUIPMENT HAS BEEN TESTED AND FOUND TO COMPLY WITH THE LIMITS FOR A CLASS A DIGITAL DEVICE, PURSUANT TO PART 15 OF THE FCC RULES. 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 COMMUNICATIONS.
PAGE 15
United States NOTICE TO USERS OF THE PUBLIC SWITCHED TELEPHONE NETWORK 1. This equipment complies with Part 68 of the FCC rules. On the equipment is a label that contains, among other information, the FCC registration number and ringer equivalence number (REN) for this equipment. The label is located on the bottom of the Model 3910 modem. This label is located on the Model 3911’s circuit card assembly. If requested, this information must be provided to the telephone company. 2.
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Canada NOTICE TO THE USERS OF THE CANADIAN PUBLIC SWITCHED TELEPHONE NETWORK The Canadian Department of Communications label identifies certified equipment. 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.