Huawei DTSU666-H Quick Manual page 8

Parameter
Parameter
1: 645;
2: n.2;
3: n.1;
4: E.1;
5: O.1;
0: 4.800;
1: 9.600;
11–19
(Optional) Parameter Setup
Communications parameters have been configured for the power meter before delivery. If the
communication is abnormal, check and set the parameters.
Button description: "SET" represents "confirm" or "cursor shift" (when entering digits), "ESC"
represents "exit", and "→" represents "add". The password is 701 by default.
Value range Description
Settings for communication stop bit and
Parity bits:
1: Factory mode;
2: None parity, 2 stop bits, n.2;
3: None parity, 1 stop bit, n.1;
4: Even parity, 1 stop bit, E.1;
5: Odd parity, 1 stop bit, O.1;
Communication baud rate:
0: 4800 bps;
1: 9600 bps;
Communication address
7