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Connecting the Chassis to a +12V DC Power Supply

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

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

DC plug

Installing the Cisco VG310 and Cisco VG320 Voice Gateways

Direction

Description

Input

Enable (tie low)

Input

+12V (power)

Output

REP_BAT (tie low)

Input

GND (power

return)

Output

ON_BAT (tie low)

Input

+12V (power)

Output

LOW_BAT (tie

low)

Input

GND (power

return)

Installing the Cisco VG310 and Cisco VG320 Voice Gateways

SW Register

Definition

0x4A80_0038

—

Bit 6:

Battery Missing:

REP_MIS_BAT

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

—

AC wall plug