Analog Code:FIC_02RV2.T_2-wire loop reverse battery signaling/ loop closure from customer/ reverse battery from LEC/ 600 ohms. Used for Direct Inward Dialing
Digital Code:FIC_04DU9.BN_4-wire 1.544 Mbps (DS1) with Super Frame
EUT STD:TIA-968-B Part 5.2 LADC AND DIGITAL INTERFACE REQUIREMENTS
Register:ACTA_SDoC_Administrative Council for Terminal Attachments