Mobile fiscal registrars of the series Mercury 115F POS terminals have long proven themselves as reliable devices for mobile sales and courier delivery. However, despite their popularity, initial wireless connection setup often presents difficulties for users new to cash registers. The main difficulty lies not in the device itself, but in the correct procedure for pairing the register with the computer and router.
Without a properly configured Wi-Fi module, it's impossible to transmit fiscal data to the fiscal data operator (FDO), which is a mandatory legal requirement. The process involves several steps, from preparing the equipment to entering network parameters into specialized software. In this article, we'll cover all the details so you can avoid common mistakes and get your equipment up and running as quickly as possible.
It is worth noting that modern firmware versions Incotek We've significantly simplified the process, but the basic principles remain the same. You'll need a stable network, access to the PC with administrator rights, and, ideally, a USB cable for the initial settings sync. Let's walk through the process step by step.
Preparing equipment and checking drivers
Before attempting to set up a wireless connection, you must ensure that drivers The cash register drivers are correctly installed on your computer. Without this step, the software simply won't recognize the device, and any configuration attempts will be in vain. Drivers are usually included on a disc or available for download from the manufacturer's official website.
Connect the cash register Mercury 115F Connect the USB cable to the computer and turn on the power. If a new port with a name containing "USB Serial Device" or something similar appears in the "Ports (COM and LPT)" section of Windows Device Manager, a basic connection has been established. This is critical for further work.
☑️ Checking readiness for setup
It's important to use the USB cable that came with the device, or a high-quality alternative with sufficiently thick wires. Cheap phone charging cables may not provide the required data transfer speed, which will lead to connection timeouts when attempting to configure the Wi-Fi module.
Configuration tools: FR Driver and Configuration Utility
The program is used to manage the cash register parameters. FR Driver (Fiscal Registrar). This is the cashier and technician's primary tool, allowing them to run tests, print receipts, and, crucially for us, configure network interfaces. The program's interface may seem spartan, but it contains all the necessary functions.
Launch FR Driver and go to the device properties. The "Settings" tab allows you to select the connection type. By default, it's often set to a COM port, but we need to switch to a network interface or use port forwarding. However, for initial setup of the Wi-Fi module, it's more convenient to use the built-in configuration utility or the "Hardware Test" mode.
⚠️ Attention: If you're using third-party cash register software (1C, Frontol, Frontal), it may be blocking the communication port. Before setting up, make sure all cash register applications are completely closed; otherwise, you'll receive a "Port busy" error.
There's also a specialized utility for configuring Wi-Fi modules, sometimes included in a separate archive. It allows you to scan the air and select a network from a list, which is more convenient than manually entering the SSID. However, the classic method via FR Driver remains the most universal for all firmware versions.
Step-by-step instructions for connecting to a wireless network
The setup process can be divided into logical steps, following which ensures success. First, we enter setup mode, then select the network and enter the password, and finally, save the profile. Let's look at the sequence of steps in detail.
In the cash register menu (on the screen of the device itself) or through the software interface, you need to find the section responsible for communications. Mercury 115F A common procedure is to use the admin menu. Enter the menu using the password (often 30 by default, or 1 if it hasn't been changed) and find the "Wi-Fi Setup" option.
What to do if the Wi-Fi menu is missing?
If there's no Wi-Fi option in the cash register menu, you may have an outdated firmware version or the Wi-Fi module isn't physically installed. Check the presence of the antenna (the black wire with the connector inside or outside the case) and that the software is up to date.
After activating the network search, the cash register will display a list of available access points. Select your network from the list. If the network is hidden, you will need to manually enter the SSID. Next, enter the password. Please note: letters are case-sensitive, and characters are entered by repeatedly pressing buttons or through the on-screen interface if the model is touch-sensitive (although the 115F usually uses buttons).
For entering complex passwords, it's convenient to use the "Special Characters" mode. After entering all the data, save the profile and reboot the communication module. The cash register should emit a distinctive beep or display a signal strength icon, indicating a successful connection.
Network settings table
When performing manual configuration or encountering issues with automatic connection, you may need precise parameter values. Below is a table of the main settings checked during diagnostics.
| Parameter | Default value | Recommended value | Note |
|---|---|---|---|
| Opening hours | Infrastructure | Infrastructure | Client mode (STA) |
| Security type | WPA2-PSK | WPA2-PSK | The most compatible standard |
| Channel | Auto | 1, 6 or 11 | To avoid interference |
| IP address | DHCP | DHCP | Receive automatically |
Using a static IP address is recommended only in corporate networks with strict security policies. In most cases, especially when using a mobile router or home Wi-Fi, it's best to leave the settings as is. DHCP included. This will eliminate addressing conflicts.
Pay attention to the security standard. Older cash registers may not support WPA3, so if you have a newer router, you may need to create a guest network with WPA2 encryption or mixed mode. This is a common reason why a device sees the network but cannot connect.
Diagnostics and troubleshooting
Even if you follow the instructions correctly, problems may occur. One of the most common issues is when the cash register sees the network but fails to connect. This is often due to the frequency range. Modules in older versions Mercury 115F operate only in the 2.4 GHz range.
If your router broadcasts a 5 GHz network or combines both bands under a single name, the cash register may try to connect and then lose connection. Solution: Separate the networks in your router settings, giving them different names (e.g., HomeWiFi and HomeWiFi_5G), and connect the cash register strictly to the 2.4 GHz network.
⚠️ Attention: Don't use Cyrillic characters or special symbols in your Wi-Fi password, as they may be incorrectly encoded in the cash register firmware. Use only Latin characters and numbers.
Another error is "No connection to FR" after setting up Wi-Fi. This means that in FR Driver The connection port on the PC hasn't been changed. After setting up Wi-Fi, the cash register receives an IP address. You need to find this IP address (you can print a receipt with a status report or look it up in the cash register menu) and, in the PC driver settings, select the "TCP/IP" connection type and enter this address.
Also check your Windows Firewall or antivirus settings. They may be blocking the local connection between your computer and the cash register, considering it suspicious. Add the driver application to the exceptions list.
Setting up data transfer to the OFD
Connecting to Wi-Fi is only half the battle. The main goal is to transmit fiscal data. Make sure the correct server address for your fiscal data operator and the terminal number are specified in the cash register settings (under "Fiscal Data Operator Settings"). This data is sent to you by email after registering the cash register with the tax authorities.
In the cash register menu, select "Sending OFD Documents." If the connection is successful, the cash register will begin transmitting receipts. You can track the transmission status in the "Payment Status" report or through your OFD personal account.
It's important to check the connection status periodically, especially if the cash register operates offline most of the time. If a large number of unprocessed receipts accumulate (even though they've technically been printed but not sent), synchronization may take longer when Wi-Fi is enabled.
Recommendations for stable operation
To ensure uninterrupted operation in a retail environment, it's recommended to secure the cash register and ensure a strong signal. If the signal is weak, you can use a USB extension cable with an antenna connector (if the model supports it) or move the router closer to the cash register.
Update your cash register firmware regularly. Manufacturer Incotek periodically releases updates that improve the stability of the Wi-Fi module and compatibility with various network equipment. The update can be performed via FR Driver, by downloading the firmware file from the official website.
Don't forget about security. Don't connect your cash register to open public Wi-Fi networks without security, as this could lead to data leakage or blocked receipt transmission due to authorization pages (Captive Portal) that your cash register can't handle.
Frequently Asked Questions (FAQ)
Is it possible to set up Wi-Fi on a Mercury 115F without a computer?
Yes, this is possible through the device's menu. However, entering complex passwords using the cash register buttons can be inconvenient and time-consuming. Setting up a PC using a utility is usually faster and more secure.
The cash register stopped seeing my Wi-Fi network after replacing the router.
Most likely, the new router operates in the 5 GHz band or uses an encryption standard unsupported by the POS module. Try creating a 2.4 GHz guest network with WPA2-PSK (AES) encryption.
What is the default password for entering the cash register settings menu?
Factory passwords are often "30," "1," or "100." If these don't work, it's possible the password was changed by the previous owner or technician. In this case, you'll need to reset the settings or contact a service center.
Is internet access required for the Mercury 115F cash register to operate?
Internet access (Wi-Fi or mobile) is only required for transmitting fiscal data to the fiscal data operator (OFD). Receipts can be generated and printed without internet access; the data will be saved and sent when a connection is available.