Model No. Port Density Switched Outlets Connectivity Power Supply Internal Modem Cellular Region Model No. CPM-1600-2-CM Port Density 16 RJ45 Switched Outlets 16 Outlets Connectivity Single Ethernet Power Supply Quad AC Internal Modem Dial-Up Cellular Region   Model No. CPM-1600-2-A Port Density 16 RJ45 Switched Outlets 16 Outlets Connectivity Single Ethernet Power Supply Quad AC + ATS Internal Modem Cellular Option Cellular Region   Model No. CPM-1600-2-AM Port Density 16 RJ45 Switched Outlets 16 Outlets Connectivity Single Ethernet Power Supply Quad AC + ATS Internal Modem Dial-Up Cellular Region   Model No. CPM-1600-2-CA Port Density 16 RJ45 Switched Outlets 16 Outlets Connectivity Single Ethernet Power Supply Quad AC + ATS Internal Modem Cellular Option Cellular Region   Model No. CPM-1600-2-CAM Port Density 16 RJ45 Switched Outlets 16 Outlets Connectivity Single Ethernet Power Supply Quad AC + ATS Internal Modem Dial-Up Cellular Region   Model No. CPM-1600-2-E Port Density 16 RJ45 Switched Outlets 16 Outlets Connectivity Dual Ethernet Power Supply Quad AC Internal Modem Cellular Option Cellular Region   Model No. CPM-1600-2-EM Port Density 16 RJ45 Switched Outlets 16 Outlets Connectivity Dual Ethernet Power Supply Quad AC Internal Modem Dial-Up Cellular Region   Model No. CPM-1600-2-EC Port Density 16 RJ45 Switched Outlets 16 Outlets Connectivity Dual Ethernet Power Supply Quad AC Internal Modem Cellular Option Cellular Region   Model No. CPM-1600-2-ECM Port Density 16 RJ45 Switched Outlets 16 Outlets Connectivity Dual Ethernet Power Supply Quad AC Internal Modem Dial-Up Cellular Region   Model No. CPM-1600-2-EA Port Density 16 RJ45 Switched Outlets 16 Outlets Connectivity Dual Ethernet Power Supply Quad AC + ATS Internal Modem Cellular Option Cellular Region   Model No. CPM-1600-2-EAM Port Density 16 RJ45 Switched Outlets 16 Outlets Connectivity Dual Ethernet Power Supply Quad AC + ATS Internal Modem Dial-Up Cellular Region   Model No. CPM-1600-2-ECA Port Density 16 RJ45 Switched Outlets 16 Outlets Connectivity Dual Ethernet Power Supply Quad AC + ATS Internal Modem Cellular Option Cellular Region