Labels:bulletin board | dialog box | earth | reckoner | sky OCR: 7 R + channals Bit timing Frame timing Activation {Note Deactivation (Note Basic access F T digital section Operation and maintenance Note 2 Power feed [Note T1107731-0 reference point Note The provision of power feed function is optional. Note These functions are conveyed channel. FIGURE 2/Q.512 Functions at interface V channels
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