ADC 300S, 2048 Kbit/s, 10Base-T, 0 - 50 °C, -40 - 70 °C, 120-220 VAC, 50/60 Hz, 172 x 140 x 32 mm

Mfr. Part #: MM300S-3
Brand: Adc
Condition: Refurbished
  • Warranty: 90-day return/replacement

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ADC 300S modem 2048 Kbit/s

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MM300S-3 Overview

The Megabit Modem 300S (MM300S-3) provides a high-speed data connection over a single-pair copper line to another modem. The modem uses SDSL technology to support data rates from 128 to 2048 kbps. The data rate is manually set, based on the connection distance and line condition. The modem connects, through its 10BASE-T port, to a PC or LAN. The SDSL port provides access to two types of connections. Connecting to another MM300S provides access to a remote PC or small LAN. Connecting to an Avidia 421 SDSL channel card provides access to a service provider, WAN or other large network. The modem does not support spanning tree. As a result, it cannot be used in parallel with another bridge to provide redundancy. The SDSL connection requires a dedicated single-pair wire to connect the local and remote units. The modem compensates for Tip and Ring reversals, so rewiring the junction box should not be necessary. The modem is easy to install: set the transmission rate with a dial on the back panel, connect the cables and it's ready to use. You can install the modem on a desktop or mount it on a wall.

Summary Description

ADC 300S, 2048 Kbit/s, 10Base-T, 0 - 50 °C, -40 - 70 °C, 120-220 VAC, 50/60 Hz, 172 x 140 x 32 mm

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MM300S-3 Specifications

Overview
Manufacturer:
ADC
Stock:
In Stock.
Stock updated on:
2024-09-02
Modem
Modem speed
2048 Kbit/s
Data transmission
Supported data transfer rates
128
Protocols
Networking features
10Base-T
Ports & interfaces
Modem (RJ-11) ports
1
Ethernet LAN (RJ-45) ports
1
Features
Internal
No
Operational conditions
Operating temperature (T-T)
0 - 50 °C
Storage temperature (T-T)
-40 - 70 °C
Power
Power supply type
120-220 VAC, 50/60 Hz
Weight & dimensions
Dimensions (WxDxH)
172 x 140 x 32 mm
Weight
630 g
Technical details
Special features
SDSL

Frequently Asked Questions

What is the primary function of the ADC 300S modem? +
The ADC 300S is a dedicated DSL modem engineered to provide stable, point-to-point data transmission at speeds of 2048 Kbit/s. It is specifically designed for environments requiring reliable, dedicated bandwidth over copper infrastructure, making it an excellent solution for legacy network extensions and specialized telecommunications connectivity.
Does the ADC 300S support synchronous data rates? +
Yes, this model is designed to maintain consistent throughput. Operating at 2048 Kbit/s, it ensures stable performance for applications that demand constant bit rates, distinguishing it from standard consumer-grade modems that often prioritize variable, bursty traffic patterns over dedicated synchronous links.
What type of network environment is best suited for this modem? +
The ADC 300S is ideal for enterprise-level deployments, industrial control systems, and branch-office connectivity where maintaining a fixed-rate copper connection is necessary. Its robust build makes it highly effective for connecting remote sites to a central hub via leased lines or private copper circuits.
How do I manage the configuration of the ADC 300S? +
Management for this unit is streamlined to ensure ease of deployment in static network environments. By utilizing standard serial or physical interface commands, administrators can quickly configure link parameters to ensure the device syncs correctly with the local exchange or peer modem without the overhead of complex software stacks.
Is the ADC 300S compatible with existing E1 infrastructure? +
Given its 2048 Kbit/s throughput, the ADC 300S is designed to align with standard E1 framing expectations. It acts as a bridge for data over copper, allowing users to leverage legacy digital infrastructure for modern data transmission requirements effectively and reliably.
What is the physical interface on the ADC 300S? +
The device features industry-standard ports tailored for DSL and data connectivity. Users can expect reliable physical connectivity that minimizes signal degradation, ensuring that the integrity of the 2048 Kbit/s link is maintained from the modem to the central termination point.
How reliable is the ADC 300S for 24/7 industrial operations? +
Engineered for high-availability requirements, the ADC 300S is built to withstand the demands of continuous operation. Its simple, efficient architecture reduces the number of failure points, ensuring that your critical data links remain active and stable throughout long-term deployment cycles.
Does this modem require specific firmware updates for deployment? +
The ADC 300S is a specialized hardware solution that operates based on its core firmware, optimized for high-performance 2048 Kbit/s connectivity. In most enterprise deployment scenarios, the modem is ready for setup upon arrival, requiring only basic parameter matching to synchronize with your existing service provider's line configuration.
How can I obtain a bulk quote for ADC 300S modems? +
If you are planning an enterprise rollout and require multiple units, BuyRouterSwitch.com makes the process simple. Contact our sales department directly to receive a competitive bulk quote tailored to your project volume, ensuring you receive the best possible pricing for your networking hardware requirements.
Why should I choose BuyRouterSwitch.com for my networking hardware? +
BuyRouterSwitch.com is a trusted source for high-quality enterprise networking equipment. We prioritize providing authentic hardware and a seamless procurement experience for IT professionals. Our team is dedicated to helping you secure the specific models you need to maintain your infrastructure, providing professional support throughout the ordering process.

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