Chapter 7 Troubleshooting

Modem will not dial-out

zCheck your phone cable connected properly into LINE jack.

zIf you use the Tone-dialing on a line, but required the Pulse-dialing method, please change the command T to P in your dial command line.

Modem will not answer an incoming call

zCheck your phone cable connected properly into LINE jack.

zBy connect a Telephone to the PHONE jack. The attached telephone will ring if you try calling from another telephone line.

zConfigured the modem to Auto-answer modem.

No connection after modem dial out

zRemote modem may be not setting to answer mode, if you aren’t hearing a high-pitch tone when remote modem answering.

zPerhaps poor-quality or noise telephone lines try another call.

Data error when modem connection

zMake sure your software data format is match to remote side (for example: 8,N, 1).

zMake sure the modem flow control method is matched to communication software.

zTry another call may be poor quality or noise telephone lines.

Fax and voice problems

zBe sure the Data Communication is installed and worked properly, otherwise check the mentioned procedure carefully and consult the Fax/Voice manual step by step.

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SMC Networks SMC3056EM manual Troubleshooting
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SMC3056EM specifications

SMC Networks has been a prominent player in the networking industry, known for its dedication to delivering reliable products that meet the demands of both consumers and businesses. One of its noteworthy offerings is the SMC3056EM, a high-performance Ethernet switch that boasts a range of features designed to enhance network efficiency and performance.

The SMC3056EM is a managed Ethernet switch that comes with 56 ports, making it an ideal choice for small to medium-sized enterprises looking to expand their network capacity. This switch supports Gigabit Ethernet, which enables faster data transfer rates and supports high-bandwidth applications. With its ability to facilitate 10/100/1000 Mbps speeds, the SMC3056EM ensures seamless connectivity for various devices within a network.

One of the standout features of the SMC3056EM is its Layer 2 switching capabilities. This technology enables efficient data packet switching, reducing overall latency and improving response times in data-heavy environments. Moreover, the switch supports VLAN (Virtual Local Area Network) configurations, allowing administrators to segment network traffic for improved security and performance.

Additionally, the SMC3056EM incorporates Quality of Service (QoS) features, which prioritize critical network traffic, ensuring that essential applications receive the bandwidth they require. This is particularly important for businesses that rely on VOIP, video conferencing, or other real-time applications, as it mitigates issues related to latency and jitter.

The SMC3056EM is also equipped with advanced management capabilities, including SNMP (Simple Network Management Protocol) support. This feature enables network administrators to monitor and manage the switch remotely, facilitating ease of use and quick troubleshooting. The user-friendly interface allows for easy configuration and modification of network settings.

Another notable characteristic of the SMC3056EM is its energy efficiency. The switch is designed with power-saving technologies that reduce energy consumption without sacrificing performance. This is an appealing feature for environmentally conscious businesses looking to minimize their carbon footprint.

In summary, the SMC Networks SMC3056EM stands out as a versatile and robust networking solution. With its extensive port availability, Layer 2 switching capabilities, VLAN support, QoS features, advanced management options, and energy-efficient design, it meets the demands of modern networking environments, making it a solid choice for enterprises looking to enhance their network infrastructure.
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