#9 Viper_SC_Manual_001-5008-000_Rev12e.docx | Page 16The subnet mask of the RF IP addresses has been changed to ensure that the RF IP network does not overlap any of theEthernet networks. In this scenario, the RF IP addresses must be manually programmed to ensure that every Viper has anRF IP address in the network and that no RF IP address is used twice.Ethernet Subnet Mask for all units: 255.255.255.240RF Subnet Mask for all units: 255.255.0.0Viper #1 Eth IP Address: 10.200.1.1 / 28 RF IP Address: 10.0.0.1 / 16Viper #2 Eth IP Address: 10.200.1.17 / 28 RF IP Address: 10.0.0.2 / 16Viper #3 Eth IP Address: 10.200.1.33 / 28 RF IP Address: 10.0.0.3 / 16Viper #4 Eth IP Address: 10.200.1.49 / 28 RF IP Address: 10.0.0.4 / 16…Viper #177 Eth IP Address: 10.200.12.1 / 28 RF IP Address: 10.0.0.177 / 16Viper #178 Eth IP Address: 10.200.12.17 / 28 RF IP Address: 10.0.0.178 / 16Figure 9 – Router Mode Example 22.2.3 MULTISPEED NETWORKINGWhen using Viper SC with a Viper SC 19” rack mount base station, the user can configure the network for multispeedoperation. With the Base enabled as a ‘rate-controller’, the remote device becomes a ‘rate follower’. The rate-controllercan be configured to talk at different over-the-air data rates for each remote Viper. This allows the user to uniquely controlthe data rate for each RF link in the system from the Base Station web pages. The user can program RF links with strongsignal strength to communicate at fast data rates and RF links with low signal strength can be programmed to communicateat more robust, slower data rates. Even if data rates vary from Viper to Viper, every Viper in the network must beprogrammed with the same bandwidth.Refer to Section 4.3.1 for multispeed configuration options.