14
z
JP7: COM2 use RS-232 or RS-422/485 Select
Options
Settings
1
9
10
2
RS-232 (default)
Open
RS-485 Transmit Only(*1)
Short 1-2, 3-4, 5-7, 8-10
RS-485 by RTS (*1)
Short 1-2, 3-4, 7-9, 8-10
RS-422/485 Full Duplex (*2)
Short 1-2, 3-4, 6-8
NOTE:
*1: 2-wires RS-485 function
*2: 4-wires point-to-point full duplex function
4-wires point-to-point full duplex RS-422/485
Typical RS-485 2-wires Mutildrop Network
3.11 Ethernet Connector
The HS-7280 provides two RJ-45 connectors for 10/100/1000 Based
LAN. Please refer to the following for its pin information.
z
JP13: Onboard LAN1 Enabled/Disabled Select
Options
Settings
2
1
Enabled (default)
Open
Disabled
Short
z
CN13/CN14: RJ-45 Connector
PIN Description PIN Description
1
10
1
MDI0+
2
MDI0-
3
MDI1+
4
MDI1-
5
N/C
6
330
Ω
pull 3.3V
7
MDI2+
8
MDI-2
9
MDI3+
10
MDI3-
Summary of Contents for HS-7280
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