Siemens SCALANCE M874 - Page 57

Technical specifications
5.3 HSPA+ router SCALANCE M876-3
SCALANCE M874, M876
Operating Instructions, 06/2015, C79000-G8976-C331-05
57
M876-3
Design, dimensions and weight
Module format
Compact module S7-1500
Degree of protection
IP20
Weight
290 g
Dimensions (W x H x D)
34.8 x 147 x 134.7 mm
Installation options
• Wall mounting
• Mounting on a DIN rail
• Mounting on an S7-300 standard rail
• Mounting on an S7-1500 standard rail
Installation direction Vertical
(ventilation openings at the top and bottom)
Clearance between sides and adjacent device: 5
cm
Product functions
Firewall and security
• Stateful inspection
• Packet filter
• IPsec VPN for up to 20 connections
• SINEMA RC client
• Password protection
Router functions
• NAPT (port forwarding)
• NAT (IP masquerading)
• NAT traversal
• NETMAP
• Dynamic DNS client
• DNS cache
• NTP
• Remote logging
• Connection monitoring
• Alarm SMS
• Sending SMS messages from the local area
network
Configuration / management
• Web-based administration user interface
(WBM)
• Remote access with HTTPS
• SNMP and SNMP traps