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Brainboxes ES-357
Manufacturer documented GLOBAL
Identity
| category | gateways |
| manufacturer | Brainboxes |
| manufacturer_part_number | ES-357 |
| model | ES-357 |
| mpn | ES-357 |
| product_family | Brainboxes ES Ethernet-to-Serial device servers |
| product_status | active |
| region | GLOBAL |
| series | ES (Ethernet to Serial) |
| variant | — |
Electrical
| default_operating_mode |
Telnet + COM port control Mode (Server)
ES Range Product Manual 3.5 — Factory Default Settings
|
| galvanic_isolation |
Not printed - absent
ES-357 — official product page — Specification
|
| power_consumption_typical |
1.0 W typical, 1.8 W maximum
ES-357 — official product page — Specification
|
| power_input |
5-30 V DC, reverse-polarity protected
ES-357 — official product page — Specification
|
Physical / mechanical
| dimensions |
116 (l) x 100 (w) x 26 (h) mm
ES-357 — official product page — Specification
|
| weight |
0.128 kg
ES-357 — official product page — Specification
|
Installation
| din_rail_mounting |
DIN rail mountable with MK-048 mounting kit (accessory)
ES-357 — official product page — Specification
|
Environment
| operating_temperature |
-10 °C to +60 °C
ES-357 — official product page — Specification
|
Interfaces & connectors
| default_ip_mode |
DHCP; falls back to static 192.168.127.254
ES Range Product Manual 3.5 — Factory Default Settings
|
| default_serial_settings |
115200 baud, 8 data bits, no parity, 1 stop bit
ES Range Product Manual 3.5 — Factory Default Settings
|
| default_tcp_port_serial_port_1 |
9001
ES Range Product Manual 3.5 — Factory Default Settings
|
| default_tcp_port_serial_port_2 |
9002
ES Range Product Manual 3.5 — Factory Default Settings
|
| device_type | serial device server (Ethernet-to-serial converter) |
| ethernet_interface |
Ethernet 10/100, RJ45
ES-357 — official product page — Specification
|
| home_assistant_modbus_tcp_suitable | False |
| home_assistant_suitability_basis | Transparent serial tunnel only. A NONE-forcing read of the ES Range Product Manual 3.5 (which itself states it covers ES-246, ES-257, ES-313, ES-320, ES-446, ES-457, ES-279, ES-346, ES-701, ES-842, ES-357, ES-020, ES-031, ES-042, ES-420, ES-413) returned no occurrence of 'Modbus' anywhere in the document, and the same read of the model's own datasheet PDF returned no occurrence of 'Modbus'. The manual describes only raw TCP sockets, Telnet/RFC2217 and Windows virtual COM ports (Boost.LAN driver), plus peer-to-peer serial tunnelling between two units. Factory default operating mode is printed as 'Telnet + COM port control Mode (Server)'. The device does not parse or convert Modbus frames, so a standard Modbus TCP client cannot address a serial Modbus RTU slave through it. |
| protocols |
TCP/IP sockets, Telnet, serial port tunnelling, Windows virtual COM ports
ES-357 — official product page — Specification
|
| serial_baud_rate_range |
110 to 1,000,000 baud
ES-357 — official product page — Specification
|
| serial_connector |
Screw terminal block, 0.1 in pitch
ES-357 — official product page — Specification
|
| serial_port_count |
2
ES-357 — official product page — Specification
|
| serial_standards |
Port 1 RS-232; Port 2 RS-422/485 (per-port fixed standard, not software selectable)
ES-357 — official product page — Specification
|
Certifications
| certifications |
FCC, UKCA, NDAA compliant, TAA compliant, AEO
ES-357 — official product page — Specification
|
Документи
datasheet
Brainboxes ES-357 datasheet
product-page
ES-357 — official product page
technical-manual
ES Range Product Manual 3.5