Name: ASCOM T942C/2
Brand: ASCOM
Rating: 4 (1 reviews)

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TD 91684GB

16 April 2015 / Ver. G

Installation Guide

T942C and T942C/2 Central Unit

1.4.13 Activation of Power Changeover Circuit

Activate the RAM back-up battery by closi

ng jumper S03 on the circuit board.

S03

BAT1

Figure 22. The RAM back-up battery.

NOTE: The power changeover circuit contains a 3V lithium

battery. At any interruption in the

ordinary +5V supply, both the RAM and real-time clock will be supplied by the battery

so that they retain their data.

Data

Current consumption, RAM and real-time clock:

• 3 V battery: typical 2 µA, max 40 µA

Battery life (battery connected):

• 5 V not connected: typical 7 years, min. 0.5 years

• 5 V connected: minimum 10 years

Battery life (battery not connected):

• min. 10 years

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ASCOM T942C/2 Specifications

General