Siemens SCALANCE W788-1PRO Operating Instructions (Compact page 112

Technical specifications
5.1 Technical specifications for the SCALANCE W788-xPRO/RR and W74x-1PRO/RR
Power
Back up
Electrical data
Power consumption
Construction
Dimensions without antennas
(W x H x L)
Weight
Permitted ambient conditions
Operating temperature
Transport/storage temperature
Degree of protection
MTBF information (mean time between failure)
MTBF
106
• M12 connector
(18 ... 48 V DC)
• Power contacts in the hybrid connector
(18 ... 48 V DC)
• RJ-45 jack Power over Ethernet
(48 V DC)
2 x 24 V DC power supplies
(18 to 48 V DC) safety extra-low voltage (SELV).
Power supply isolated according to IEEE 802.3af,
isolation resistance > 2 Mohms.
IE IP 67 hybrid connector
R-SMA antenna sockets
(2 x or 4 x with the 788-2PRO)
< 10 W
125 mm x 88 mm x 108 mm
approx. 1050 g
-20°C to 60°C
-40°C to 70°C
Tested to IP65
67 years
SCALANCE W788-xPRO/RR / SCALANCE W74x-1PRO/RR
Operating Instructions (Compact), Release 08/2007, A5E00413342-05