COMSPHERE 3800 SERIES MODEMS MODELS 3810, 3811, AND 3820 JAPAN SUPPLEMENT Document No.
COMSPHERE 3800 Series Modems Models 3810, 3811, and 3820 User’s Guide Japan Supplement 3810-A2-GB93-30 4th Edition (September 1998) Changes and enhancements to the product and to the information herein will be documented and issued as a new release to this manual. Warranty, Sales, and Service Information Contact your sales or service representative directly for any help needed.
Table of Contents 1. Introduction Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Safety Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Equipment List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1-1 1-2 1-2 2. Installation Overview . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series Modems List of Tables Table Page 1-1 Technical Specifications for Japan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1-2 Equipment List for Japan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 3-1 Configuration Options for Japan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction 1 Overview This supplement highlights all safety warnings, installation procedures, features, and functions that are unique to COMSPHERE 3800 Series modems installed in Japan. This document is intended to be used in conjunction with the COMSPHERE 3800 Series Modems, Models 3810, 3811, and 3820, User’s Guide, Document No. 3810-A2-GB30. Please consult the User’s Guide for overall operation of the 3800 Series modem. This document consists of three chapters.
COMSPHERE 3800 Series Modems Technical Specifications Table 1-1 shows technical specifications that are unique to 3800 Series modems installed in Japan.
Installation 2 Overview This chapter provides installation procedures for the Model 3810, 3820, and 3811 modems installed in Japan.
COMSPHERE 3800 Series Modems Figure 2-1. Model 3810 Rear Panel Figure 2-2.
Chapter Title Model 3810 and Model 3820 Dial-Line Connection Use the following procedure to connect the modem to the dial network interface: 1. Insert the 6-position, 4-conductor modular plug into the jack labeled DIAL/LEASED (3820). See Figure 2-1. 2. Insert the other end of the modular cord into the dial network interface. Model 3810 4-Wire/2-Wire Leased-Line Connection Use the following procedure to connect a Model 3810 to the leased-line network interface: 1.
COMSPHERE 3800 Series Modems Model 3810 and Model 3820 DTE Connection Use the following procedure to connect the modem to a DTE: 1. Make sure the modem’s rear panel power switch is Off. 2. Connect the DB-25 plug on the cable to the DB-25 socket labeled DTE on the modem’s rear panel. Use a small screwdriver to fasten the cable to the modem. 3. Connect the other end of the cable to the DTE. To ensure compliance with FCC Part 15 Regulations, a ferrite choke must be installed on the EIA-232-D interface cable.
Installation AC Power Transformer Connection The 90–110 volt power transformer is equipped with a 5-pin DIN connector for modem connection, and a grounded line cord for AC power outlet connection. Use the following procedure to connect the standalone modem to an ac power outlet: 1. Make sure the modem’s power switch is in the Off position. 2. Insert the power transformer’s 5-pin DIN male connector into the modem’s rear panel ac power receptacle (Figures 2-1 and 2-2). 3.
COMSPHERE 3800 Series Modems To ensure compliance with FCC Part 15 Regulations, a ferrite choke must be installed on the EIA-232-D and RS-366-A interface cables. See Figure 2-4. 1. Open the ferrite choke and place it around the DTE cable as closely as possible to the connector attached to the modem. 2. Close the two halves around the cable and snap the ferrite choke shut, pressing down on the plastic latch to secure it. 3.
Restrictions and Configuration Options 3 Overview This chapter lists restrictions and configuration options that are unique to the operation of 3800 modems installed in Japan. The information described in this chapter differs from what is listed in the COMSPHERE 3800 Series Modems, Models 3810, 3811, and 3820, User’s Guide.
COMSPHERE 3800 Series Modems Configuration Table Table 3-1 describes configuration options that are different for 3800 Series modems installed in Japan or new with the firmware release of the modem accompanying this document.
Restrictions and Configuration Options Table 3-1 (2 of 3) Configuration Options for Japan Line Dialer Configuration Options Blind Dial Paus: 4sec Nxt 4sec 2sec 6sec 8sec 10sec 20sec Blind Dial Pause. Determines how long the modem waits before dialing a telephone number when DialTone Detect is disabled. NOTE: The Blind Dial Pause configuration option only appears when the Dial Tone Detect configuration option is disabled. The factory default is 4sec.
COMSPHERE 3800 Series Modems Table 3-1 (3 of 3) Configuration Options for Japan Leased Line Configuration Options Leased TX Level: – 15 Nxt 0 – 1 – 2 – 3 – 4 –5 –6 –7 –8 –9 – 10 – 11 – 12 – 13 – 14 – 15 Leased Transmit Level. Selects the modem’s transmit power level over leased lines. The transmit output level can be selected in 1 dBm decrements from 0 dBm to –15 dBm. The factory default is –15 dBm.
