Cisco VG224 Hardware Installation Guide - Page 30
Direction, Description, SW Register 0x4A80_0038, Definition, V DC Power Connector - power requirements
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Page 30 highlights
Location and Mounting Requirements Chapter 2 Planning Your Installation Table 2-1 +12V DC Connector Pin Assignment Pin Direction Description 1 Input Enable (tie low) 2 Input +12V (power) 3 Output REP_BAT (tie low) 4 Input GND (power return) 5 Output ON_BAT (tie low) 6 Input +12V (power) 7 Output LOW_BAT (tie low) 8 Input GND (power return) SW Register 0x4A80_0038 Definition - - - - Bit 6: REP_MIS_BAT Battery Missing: Fail 1 = missing Fail 0 = good - - Bit 4: BAT_ON Battery on/off: Status 1 = off Status 0 = on - - Bit 5: BAT_LOW Battery power: Level status 1 = low Level status 0 = okay - - Caution Signal pins 1, 3, 5, and 7 should be tied low to prevent the Cisco VG224 voice gateway from reporting faults on the DC power. If the +12V DC option for powering VG224 is used the AC power must not be used. Figure 2-1 shows the +12V DC power connector. Figure 2-1 +12V DC Power Connector 103121 VG224-24FXS Pin 5 Pin 1 Cisco VG224 Voice Gateway Hardware Installation Guide 2-4 OL-5006-04
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