Teltronics SEB NET-PATH, Installation And Operation Manual

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NET-PATH Installation and Operation Guide
Page 5-3
15
Use the LCD panel navigation buttons to perform a battery reset. Chapter 4 for
more information.
The battery LED indicator should illuminate to indicate that the battery is fully
charged, or flash slowly to indicate that the battery is charging. If the battery LED
indicator is off, the new battery may be defective, or its polarity may be
incorrectly oriented. Reverse the battery to determine if it is polarity problem.
Coin Cell
Battery
A 3-volt, 175 mAh lithium coin cell battery maintains the NET-PATH Real Time
Clock (RTC) settings. The life of this battery is normally four to five years.
Teltronics recommends that you replace this battery whenever you replace the NET-
PATH 12-volt UPS battery. Replace the battery with a Panasonic BR2325, or
equivalent.
To replace the coin cell battery
1 Remove the commercial power connector from the back of the NET-PATH.
2 From the LCD panel main menu, select Safe Shutdown.
3 Disconnect the cables from the back of the NET-PATH. Be sure to mark you
cables so you can reconnect them quickly.
4
Remove the NET-PATH from the rack.
5 Remove the screws that hold the NET-PATH cover; then, carefully lift off the
cover.
6 Locate the coin cell battery. Note the polarity. You should see a positive (+)
symbol on top of the battery.
Figure 5-2: NET-PATH Coin Cell Battery
7 Gently lift the retaining clip. Use care – too much pressure on the retaining clip
can cause it to break.
8
Carefully remove the battery from the molded housing.
9
Insert the new battery. Be sure that it is properly seated in the housing and the
positive (+) symbol is on top.
10 Reinstall the cover and replace the retaining screws.
11
Insert the NET-PATH into the rack and secure it. Attach the cables to NET-PATH.
12
Apply power to the unit.
13
You may need to reset the time using the Command Line Interface (see page 3-5),
or by downloading a new database.