Reference Manual

05-4446A01, Rev. E Mercury Reference Manual 87
Operation and Data
Flow
• Communicate with RTU A by Telneting to Remote 1, port 30010.
• Communicate with RTU B by Telneting to Remote 2, port 30010.
• Communicate with RTUs C and D by sending and receiving data
from the Access Point’s
COM port.
• All communication paths can be used simultaneously.
Invisible place holder
Figure 3-52. Mixed-Modes Application Diagram
EIA-232
Terminal
or Computer
RTU–C
EIA-232
EIA-232
EIA-232
RTU–D
EIA-232
Ethernet
Crosssover
RTU–B
RTU–A
Access Point
Transceiver
LA
N
COM
1
COM
2
PW
R
LIN
K
Remote 1
LA
N
COM
1
COM
2
PW
R
LIN
K
Remote 2
LA
N
COM
1
COM
2
PW
R
LIN
K
Remote 3
LA
N
COM
1
COM
2
PW
R
LIN
K
Remote 4
Table 3-7. Serial Port Application Configuration
Transceiver Location Menu Item Setting
Access Point Status Enabled
Baud Rate 9,600
Flow Control Disabled
IP Protocol UDP
Send to Address A multicast IP address such as
224.254.1.1
Send to Port 30010
Receive on Port 30010
Receive on Address 0.0.0.0 (Not Used)
Remote Units 1 & 2 (COM1) Status Enabled
Baud Rate 2,400
Flow Control Disabled
IP Protocol TCP
Receive on Port 30010
Remote Units 3 & 4 (COM1) Status Enabled
Baud Rate 9,600
Flow Control Disabled
IP Protocol UDP