Hardware Configuration - Aastra AXD Installation And Maintenance Manual

4.14.13.4Hardware configuration

Four "S1" micro-switches are used to configure the line balance and type of gain for each
standard network line (LS) or short network line (LC).
S1.X.1
OFF
ON
S1.X.3
ON
OFF
* Represents the microswitch.
(1) "x" represents the microswitch number (1 to 4).
TABLEAU 4.81 CONFIGURATION OF THE S1 MICROSWITCH ON THE LR4 CARD
Two "S2" microswitches are used to configure the billing frequency on a card fitted with
FTXC daughter cards.
S2.1
OFF
ON
* Represents the microswitch.
TABLEAU 4.82 CONFIGURATION OF THE S2 MICROSWITCH ON THE LR4 CARD
Installation and Maintenance Manual - Aastra 5000
Description des sous-ensembles
S1.X.2 SWITCH
ON
ON
OFF
1 2
OFF
ON
OFF
1 2
S1.X.4 SWITCH
ON
ON
OFF
3
OFF
ON
OFF
3
S2.2 SWITCH
OFF
2 1
ON
2 1
01/2011
Complex impedance (factory setting)
Impedance 600 Ω
Standard line gain, usable for 1.5 to 3.5 km
(factory setting)
4
Short line gain, usable for 0 to 1.5 km
4
CHARGING FREQUENCY
12 kHz
ON
16 kHz
ON
AMT/PTD/PBX/0058/4/6/EN
LINE IMPEDANCE
GAIN
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