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Philips ergoline d340 2 dg Manual

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ErgoLine D310/320
Customer Engineer Manual
Page 5-
11
Maintenance
The following functional tests of the ErgoLine D330 & D340 terminals allow the
Display, Keyboard, LED’s, Memory and Interface to be tested.
Self test of the ErgoLine D310
If the terminal is powered up with the handset on hook and the '*' and '#' keys
pressed together a factory self test mode is entered. This mode clears all
programmed data and programming locks.
If the terminal is powered up with the handset on hook and the '7' and '9' keys
pressed together an installer self test mode is entered. This does a self test only. It
retains programmed data and locks.
After completion of a self test the terminal attempts a normal start-up.
Refer to Figure 5.1 for the names and locations of the keys.
The self test performs the following functions in sequence:
1 The micro-controller ROM is verified with a checksum.
2 The D310-2 external RAM is verified. Some of the D310-4 microcontroller RAM
is verified. If both ROM and RAM are satisfactory the loudspeaker LED begins
flashing, otherwise the self test halts and the phone will not try to go in-
service.
3 The EEPROM is verified. If satisfactory the message waiting LED begins
flashing, otherwise the self test halts.
4 For factory self test the terminal settings and memory keys revert to their
defaults if the EEPROM check succeeds. For installer self test they are
retained.
5 The D310-2 U
p
interface is looped back internally and tested. If a fault
occurs, the self test halts and the loudspeaker LED is lit continuously.
6 The D310-2 IOM2 interface and CODEC are tested. If a fault occurs, the self
test halts and the message waiting LED is lit continuously.
7 The user next lifts the handset. The LEDs are extinguished.
8 Press keys in this order: Loudspeaker LNR 1 2 3 4 5 6 7 8 9 * 0 # Program M1
M2 M3 Recall.
9 After each key is detected in sequence a short beep is emitted. If an
incorrect key is pressed, an error beep is emitted. A pause of over 5 seconds
between keys results in an error beep.
10 The user now replaces the handset. At this point the ringer is sounded till the
user goes off-hook.
11 Lifting the handset finishes self test with a confidence beep and lets the
watch-dog expire to reset the D310. The set generates an outgoing call
request in response to the off-hook condition.
… 85 …


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