Installation manual

62 20/10/2004 PS10270JENAA01
Installing the analogue network cards
• These cards can be installed in any slot in shelves 0 or 1 of the main cabinet, except slots 0
and 4 in shelf 1.
• The LR4 switch settings are: SW2 for the call charging frequency and SW1 for the carrier line
characteristics.
Three types of daughter card can be mounted on the LR4 card:
• a DTOC card for disconnection upon line release
• FTXA and FTXC cards for call charging
Installing an FTXA/C daughter card
A call charging pulse card can be installed for each trunk line on the LR4 card. These daughter
cards are:
• the FTXA card detects 12 kHz charging pulses
• the FTXC card detects 50 Hz charging pulses
Installing the analogue network cards
LR4 cards are installed in the following slots:
Card
Main cabinet - Shelf 0
0 1 2 3 4 5
LR4
YES YES YES YES YES YES
Card
Main cabinet - Shelf 1
0 1 2 3 4 5 6 7
LR4
NO YES YES YES NO YES YES YES
Card
Expansion cabinet – Shelf 2
0 1 2 3 4 5
LR4
NO YES YES YES YES YES
Card
Expansion cabinet – Shelf 3
0 1 2 3 4 5 6 7
LR4
NO YES YES YES NO YES YES YES