DT-9022 is a universal industrial two port RS485 adaptive relay hub, with a main RS232/RS485 port, the RS485 hub is designed specifically for the needs of RS485 transmission distance and large capacity serial communication network expansion. With a number of independent innovation technology of DTTEC, including built-in data collision protection control etc.
DTECH DT-9022 Industrial grade 2 ports RS485 Hub
Feature:
1, the interface features: in accordance with the EIA/TIA RS - 485 / RS - 422 standard
2, electrical interface: RS - 422 / RS - 485 input and output with copper terminal connector
3, protection grade: 600 w interfaces on both ends of each line lightning surge protection, + / - 15 kv ESD protection.
4, isolation degree: 2500 VRMS isolation voltage
5, work mode: asynchronous half-duplex asynchronous full duplex or
6, indicator: three lamp, lamp power supply (PWRS), send (TXD) and receiving (RXD)
7, transmission medium: twisted pair or shielded wire
8, transmission rate: 300-115.2 K BPS
9, appearance size: 120 mm * 80 mm * 25 mm
10, using the environment: - 40 ℃ to 85 ℃, relative humidity of 5% to 95%
11, transmission distance: 0-5000 meters (115200 BPS to 9600 BPS), related to the environment and the cable diameter and how much load
12, the power input voltage range: DC 9-40 v
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