Silvertel Ag2120S PSTN 中央局接口，功能齐全，可编程阻抗，内部环路开关，可编程直流屏蔽，单列直插式

Dimensions: 61 mm x 12 mm x 11 mm

Unit Weight: 16.338 g

Interface Type: 2-Wire

Supply Voltage - Max: 3.47 V/5.25 V

Supply Voltage - Min: 3.13 V/4.75 V

Operating Supply Current: 20 mA

Operating Supply Voltage: 3.13 V/4.75 V to 3.47 V/5.25V

Maximum Operating Temperature: + 70 C

Minimum Operating Temperature: 0 C