Viessmann WAGO MB/TCP Installation And Service Instructions Manual page 10

Installation
Connections and Operating Elements
WAGO MB/RTU gateway
Legend
A Connection for PROFIBUS field bus plug for Mod-bus /
RTU building management system
B LED status indicators
C Reset button RST
D Status LED for supply voltage
E Status LED for CAN bus interface
F Status LED for Modbus/RTU interface
G Plug-in attachment with terminator: See page 16
H CAN high, for looping through the CAN bus
K CAN low, for looping through the CAN bus
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WAGO Gateway Installation and Service
(continued)
P Earth
Q Modbus shield
R CAN bus shield
S 24VDC supply voltage connection
T Do not open!
U Operating mode switch
RUN Standard mode
Factory setting: Do not adjust!
STOP Do not adjust!
RESET Do not adjust!
V Service interface: LAN port for connection to PC/laptop
W Memory card slot