to be used with an external UPS system, and it has status signals that are reported to Cisco VG310 or Cisco
VG320.
The following table shows the connector pin assignment for the +12V DC power connector pin assignment.
Table 3: +12V DC Connector Pin Assignment
Definition
SW Register
0x4A80_0038
Description
Direction
Pin
—
—
Enable (tie low)
Input
1
—
—
+12V (power)
Input
2
Battery Missing:
Fail 1 = missing
Fail 0 = good
Bit 6:
REP_MIS_BAT
REP_BAT (tie low)
Output
3
—
—
GND (power
return)
Input
4
Battery on/off:
Status 1 = off
Status 0 = on
Bit 4: BAT_ON
ON_BAT (tie low)
Output
5
—
—
+12V (power)
Input
6
Battery power:
Level status 1 = low
Level status 0 = okay
Bit 5: BAT_LOW
LOW_BAT (tie
low)
Output
7
—
—
GND (power
return)
Input
8
Connecting a Battery to a DC-Powered Chassis
The following figure shows a setup that uses an external battery. This is one of the many possible setups.
Figure 9: Connecting a Battery to a DC-Powered Chassis
AC wall plug
3
DC plug
1
Installing the Cisco VG310 and Cisco VG320 Voice Gateways
16
Installing the Cisco VG310 and Cisco VG320 Voice Gateways
Connecting the Chassis to a +12V DC Power Supply
