MESP211T - Server B&B Electronics - Free user manual and instructions
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| Brand | B&B Electronics |
| Model | MESP211T |
| Category | Server |
| Type | Serial Device Server |
| Connectivity | RS-232/422/485 to 10/100 Ethernet |
| Network Protocols | TCP, UDP, HTTP, DHCP, DNS, SNMP |
| Data Rates | Up to 230.4 kbps (serial), 10/100 Mbps (Ethernet) |
| Serial Ports | 1 x DB9 male |
| Ethernet Port | 1 x RJ45 |
| Power Supply | 9-30 VDC, 2.5W max |
| Operating Temperature | 0 to 60°C (32 to 140°F) |
| Dimensions (W x D x H) | 2.8 x 2.2 x 0.9 in (71 x 56 x 23 mm) |
| Weight | 4.8 oz (136 g) |
| Housing | Metal enclosure, DIN-rail mountable |
| LED Indicators | Power, Link/Activity, Serial TX/RX |
| Configuration | Web interface, serial console, utility software |
| Security | Password protection, SSL/TLS support |
| Software Included | Device configuration utility, virtual COM port driver |
| Certifications | FCC, CE, UL |
| Warranty | 5 years limited |
| Repairability | No user-serviceable parts; contact support |
| Maintenance | Keep dry, clean with soft cloth; avoid solvents |
Frequently Asked Questions - MESP211T B&B Electronics
How do I assign an IP address to the MESP211T?
Use the included device configuration utility to scan for the device and set a static IP or enable DHCP via Ethernet.
Alternatively, connect via serial console to access the command line interface.
Alternatively, connect via serial console to access the command line interface.
What serial baud rates does the MESP211T support?
The device supports standard baud rates from 300 bps up to 230.4 kbps, including 9600, 19200, 38400, 57600, and 115200.
Can I use virtual COM port software?
Yes, the MESP211T includes Virtual COM Port (VCP) drivers for Windows that redirect serial data over Ethernet as if the device were connected locally.
How do I reset the device to factory defaults?
Press and hold the reset button (located on the side) for 5 seconds until the Power LED blinks. Release to restore factory settings including IP 192.168.1.1.
What is the maximum cable length for RS-485?
For RS-485, the MESP211T supports cable lengths up to 4000 feet (1200 meters) at 115.2 kbps, depending on cable quality and termination.
Can I mount the device on a DIN rail?
Yes, the MESP211T comes with a DIN rail clip allowing easy snap-on installation on standard 35mm DIN rails.
Does the MESP211T support HTTP/HTTPS for web configuration?
Yes, it has a built-in web server. Access via browser by entering the device's IP address. HTTPS is supported for encrypted communication.
What power supply is recommended?
Use a 9-30 VDC power source with at least 500 mA capacity. A terminal block is provided for connection; the device is reverse polarity protected.
How do I update the firmware?
Download the latest firmware from B&B Electronics support page. Use the configuration utility to upload the .rom file via Ethernet while the device is in firmware update mode.
What is the operating temperature range?
The device is rated for 0 to 60°C (32 to 140°F). Extended temperature versions may be available; check the model number.
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