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Product guaranteed against manufacturing and raw material defects within a specified period.
Exclusions for damages and requirement for repairs to be sent to DATACOM.
Provides email, phone, and fax for technical support and sales.
Physical address and website address of DATACOM.
Explains conventions like hyperlinks, commands, and text formatting used in the manual.
Describes the meaning of various symbols used for warnings and important notes.
Emphasizes reading the manual, qualified personnel for installation, and electrical safety precautions.
Advises on using static protection devices when handling equipment.
Introduces DM991 series V modems with G.SHDSL, E1, and Digital interfaces.
Details DM991S/SE models and their front panel configurations.
Details DM991C/CE models and their front panel configurations.
Illustrates and describes front and back panels, LEDs, and connectors for DM991S/SE and DM991C/CE.
Provides pinout details and covers G.991.2 transmission, handshake, and training phases.
Explains data mode, frame structure, and details CRC anomaly, loop attenuation, SNR margin, LOSW defect.
Covers terminal type, frame mode, annex, performance, and four wire operation.
Discusses G.shdsl line electrical protection and varistor usage.
Details the DB25 connector and V.35/V.36/V.11 interface capabilities.
Provides V.35 interface pinout tables for different standards and connectors.
Explains G.703 connections, straps, and pinouts for DM991S/SE and DM991C/CE.
Describes the G.704 frame structure and G.703 electrical characteristics.
Details the 10/100BaseT interface and explains the remote bridge feature.
Lists possible configurations like WAN Speed, Duplex, and Link Speed.
Details strap configurations for G.703 and digital interfaces on DM991S/SE and DM991C/CE.
Explains speed and clock selection using DIP switches and provides a summary.
Explains management via VT100 terminal, DMG20 card, or DmView software.
Details clock sources, plesiochronous, and synchronous modes.
Covers terminal connection, configuration, and management menus.
Details access to various configuration, test, status, and performance menus.
Detailed steps for downloading and installing new firmware.
Covers G.shdsl, E1, and Digital interface tests like LDL, LAL, BERT, RDL.
Details LAL and LDL tests specific to the converter mode.
Displays status for interfaces and monitors performance counters.
Guides on installing modems and initial configuration via serial port.
Details the Adapter Cable DB25 X DB25 2BNC.
Specifies operating conditions, power consumption, input requirements, dimensions, and weight.
Lists ITU-T, Telebrás, CISPR, Anatel, IEC, and IEEE standards relevant to the product.
Covers essential safety warnings for power supply, grounding, voltage differences, and fuses.
Includes warnings on static electricity and handling precautions.
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General