Chapter 6 – Callback Security

Assigning Callback Phone Numbers

AT Command Method

1.Open a data communication program, such as HyperTerminal.

2.To store a callback phone number in the first memory location, type

AT#CBN01=xxxxxxxxxx, where xxxxxxxxxx is the dialing string, and press ENTER. The dialing string can include the digits 0 through 9 and any of the following characters: #, *, comma (,), semicolon (;), W, A, B, C, and D. Up to 30 characters can be used. Example: AT#CBN01=9,16127853000.

If a direct connection with password protection, but without hangup and callback, is desired, the first character in the dialing string should be a hyphen (-).

3.To store a callback phone number in the second memory location, type

AT#CBN02=xxxxxxxxxx, where xxxxxxxxxx is the dialing string, and press ENTER. Note that the memory location number in the command is incremented by one.

4.Repeat as many times as necessary, through memory location 30, until all dialing strings have been entered.

Front Panel Method

1.Turn on the modem.

2.Starting at the STATUS LCD, press the following buttons on the front panel: È, È, Æ, È, È, Æ, È, È, Æ. The ENTER NUMBER #1? LCD appears.

3.Press the Enter button on the front panel to select memory location 1. The ENTER NUMBER LCD appears.

4.Press the ÇÅ or È button several times to select the first character. If a direct connection, without hangup and callback, is desired, the first character in the dialing string should be a hyphen (-).

5.Press the Æ button to go to the next character in the dialing string. Note: To backspace or to cancel an entry, press Æ several times.

6.The number can be up to 30 characters in length. Repeat steps 4 and 5 until the number is entered, and then press the Enter button to store it. The NUMBER STORED LCD should appear.

7.Press the Enter button again to go to the CALLBACK NUMBER LCD.

8.Press Æ, Æ to go to the ENTER NUMBER #2? LCD.

9.Repeat steps 3–7 to enter the next number.

10.Repeat as many times as necessary, up to memory location 30, until all numbers have been entered.

Warning: There is no way to review an entry to confirm that it has been entered correctly. If you attempt to look at a number entry by pressing the Enter button for an ENTER NUMBER #n? LCD, it is possible for you to accidentally erase the entry.

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Multi-Tech Systems PN S000408C manual Assigning Callback Phone Numbers
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PN S000408C specifications

The Multi-Tech Systems PN S000408C is a versatile and compact communication device designed for a wide range of applications in various industries. This device is primarily known for its robust performance, making it an ideal choice for developing Internet of Things (IoT) solutions, machine-to-machine (M2M) communications, and other telemetry applications.

One of the main features of the S000408C is its ability to support multiple communication protocols, which enhances its flexibility and interoperability with different systems. This device can seamlessly integrate with cellular, Ethernet, and serial interfaces, providing users the capability to implement diverse connectivity solutions. Its versatility enables it to function effectively in remote monitoring, data logging, and industrial automation scenarios.

The S000408C is engineered to work with multiple wireless technologies, including LTE, GSM, and CDMA, ensuring reliable connectivity across various geographical locations. This feature is essential for applications where consistent communication is necessary, such as in asset tracking and fleet management. Additionally, the device is compatible with various network configurations, making it suitable for both urban and remote deployments.

In terms of characteristics, the device stands out with its compact design, which allows for easy installation even in space-constrained environments. It features a rugged enclosure that is built to withstand harsh conditions, making it ideal for outdoor use. The S000408C is also equipped with power management capabilities, allowing for energy-efficient operation, which is crucial for battery-powered applications.

Moreover, the Multi-Tech S000408C prioritizes security, as it comes with built-in encryption features to protect data integrity during transmission. This aspect is particularly important for industries dealing with sensitive information, such as healthcare and finance.

The configuration process of the S000408C is straightforward, supported by comprehensive documentation and user-friendly software tools. This makes it accessible to developers and engineers, enabling them to rapidly deploy solutions without extensive training.

In conclusion, the Multi-Tech Systems PN S000408C is a powerful tool for businesses and developers aiming to harness the power of connectivity in their operations. With its multi-protocol support, robustness, and security features, it is well-positioned to meet the demands of today's connected world. As industries continue to evolve with the integration of IoT technologies, devices like the S000408C will remain at the forefront of enabling communication and operational efficiency.
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