Siemens SCALANCE W744-1PRO, Operating Instructions (Compact, Page: 112 / 132

Technical specifications
5.1 Technical specifications for the SCALANCE W788-xPRO/RR and W74x-1PRO/RR
SCALANCE W788-xPRO/RR / SCALANCE W74x-1PRO/RR
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Operating Instructions (Compact), Release 08/2007, A5E00413342-05
Power • 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.
Back up IE IP 67 hybrid connector
R-SMA antenna sockets
(2 x or 4 x with the 788-2PRO)
Electrical data
Power consumption < 10 W
Construction
Dimensions without antennas
(W x H x L)
125 mm x 88 mm x 108 mm
Weight approx. 1050 g
Permitted ambient conditions
Operating temperature -20°C to 60°C
Transport/storage temperature -40°C to 70°C
Degree of protection Tested to IP65
MTBF information (mean time between failure)
MTBF 67 years