Cessna 172R Operating Handbook page 495

CESSNA
MODEL 172R
12
The 12 Volt Cabin Power System provides passenger access to
a
fixed direct current (DC)
devices (PED). The remote power outlet (RPO), labeled "CABIN
PWR 12V", is located
pedestal (See Figure 1). The RPO conforms to ARINC 628 Part 2
requirements for commercial airline in-seat
that the Cabin Power System supplies automotive-type
except
VDC, in lieu of the
Figure 1. 12 Volt Cabin Power System Connector
Dec 30/00
SUPPLEMENT 22 - FAA
SUPPLEMENT
VOLT CABIN POWER SYSTEM
SECTION 1
GENERAL
voltage for powering portable electronic
on the lower
VDC provided by the airlines.
15
SECTION 9 - SUPPLEMENTS
portion of the cockpit center
power
APPROVED
connectors,
12
S22-3