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Microswitches CA6, CA3 and CA2 are used to configure line impedance.
CA6.1
OFF
ON
OFF
*
Represents the microswitch.
TABLEAU 4.50 CONFIGURATION OF THE CA6, CA3 AND CA2 MICROSWITCHES
The CA4 microswitch is used to configure the clock and switch the card to programming
mode.
CA4.1
OFF
ON
*
Represents the microswitch.
TABLEAU 4.51 CONFIGURATION OF THE CA4 MICROSWITCH ON THE LT2 CARD
AMT/PTD/PBX/0058/4/6/EN
Page 236
01/2011
CA6.2
CA3.1
CA3.2
OFF
ON
ON
OFF
ON
ON
ON
OFF
OFF
CA4.2
SWITCH
OFF
2
1
ON
OFF
2
1
ON
ON
2
1
ON
Description des sous-ensembles
CA2.1
CA2.2
ON
ON
OFF
1
CA6
OFF
OFF
OFF
1
CA6
OFF
OFF
OFF
1
CA6
ON THE LT2 CARD
Clock signal not used
Normal mode - Clock signal used
(factory setting)
Programming mode
Installation and Maintenance Manual - Aastra 5000
SWITCH
IMPEDANCE
100 Ω (T1)
ON
ON
ON
1
1
2
2
2
OFF
OFF
CA3
CA2
75 Ω (E1)
ON
ON
ON
1
1
2
2
2
OFF
OFF
CA3
CA2
120 Ω (E1)
ON
ON
ON
1
1
2
2
2
OFF
OFF
CA3
CA2
MODE
LINE
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