Hongdian H8922 Dual SIM Single Module - Manual (Page 74)

1 Product Introduce H8922 3G/4G Router
1 -38 (2014-05-28)
Step 3 Configure “DTU” parameter.
Table 5-19 DTU Parameter instruction
Parameter Details Operation
DTU Service Enable or Disable DTU Service DTU Service options
 Enable

Disable
Basic Settings
Work Mode Work mode:

Server: 3G/4G router act as
TCP/UDP server
 Client: 3G/4G router act as
TCP/UDP client
 DDPClient: 3G/4G router act
as UDP client with Hongdian
protocol
Select from Dropdown List

Server
 Client
 DDPClient
Local Port DTU service port Specify the port number:1-65535
Protocol Protocol of TCP/UDP
connection
TCP protocol is a
connection-oriented reliable
transport protocol for high
reliability requirements and for
communication efficiency
which is not
high degree of sensitivity of the
occasion
UDP protocol is a
connectionless unreliable
transport protocol, suitable for
relatively high efficiency
requirements, and the occasion
Select protocol:TCP or UDP
Note:
When the work mode is "DDP
clients," only support "UDP
protocols used in conjunction with
the DDP protocol.”