Installation manual

58 20/10/2004 PS10270JENAA01
Installing the ISDN cards
Installing the ISDN/T2 cards
The LT2 card handles a wide range of 2 Mbit frame formats, to suit customers' requirements
according to their local PSTN exchange; switch settings are shown in Appendix A. The LT2 card
is installed in shelf 0 in the main cabinet only and in the slots shown in the table below:
When the LT2 card is installed in position 0 in shelf 0, you cannot also install the LA8, LM8, LN8,
and LD4/LD4N double density cards (equipped with 1 or 2 ADPCM
or 1 ADPCM16 cards in
shelf
0).
Installing ISDN/T0 cards
LS1 card
Before installing an LS1 card, check the settings of switches SW1 and SW2 on the card. If an
ISDN/T2 card is installed in slot
5 of shelf 0, the clock on the ISDN/T0 (BRI) card in slot 3 of the
same shelf must be disabled. If an ISDN/T2 card is installed in slot
4 of shelf 0, the clock on the
ISDN/T0 (BRI) card in slot
2 of the same shelf must be disabled.
The LS1 card is installed in the main cabinet in shelf 0 or shelf 1 only in the slots shown in the
diagrams below:
Card
Main cabinet - Shelf 0
0 1 2 3 4 5
LT2 YES YES NO NO YES YES
Card
Main cabinet - Shelf 0
0 1 2 3 4 5
LS1 YES YES YES YES YES YES
Card
Main cabinet - Shelf 1
0 1 2 3 4 5 6 7
LS1
NO YE
S
YES YES NO NO NO NO