Page 86
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AMT/PTD/PBX/0020/2/4/EN
An LD4/LD4NX card (in LD4N mode) with ADPCM16 daughter card can be fitted in slots 6 and 7
without restriction. It is not allowed in slots 08 to 13.
When an LD4/LD4NX + ADPCM16 card is fitted in slot 00, no card on the short list may be fitted
in slot 08; when an LD4/LD4NX + ADPCM16 card is fitted in slot 01, no card on the short list may
be fitted in slot 09; when an LD4/LD4NX + ADPCM16 card is fitted in slot 02, no card on the
short list may be fitted in slot 10; when an LD4/LD4NX + ADPCM16 card is fitted in slot 03, no
card on the short list may be fitted in slot 11; when an LD4/LD4NX + ADPCM16 card is fitted in
slot 04, no card on the short list may be fitted in slot 12; when an LD4/LD4NX + ADPCM16 card
is fitted in slot 05, no card on the short list may be fitted in slot 13.
Short list: LA8, LN8, LM8, LH8, LI1, LR4, CP1, 8-channel PT2, 16-channel PT2, LD4, LD4NX,
MUM, IUMS.
Note:
Synchronising positions are positions 00 to 05. H0 in position 00 has priority over H1,
H2, H3, H4 and H5 which have the same priority.
Layout in a NeXspan S (main cabinet only)
Figure 7-11: Slot numbers on the backplane of an XS switch
An LD4/LD4NX card with or without ADPCM16 daughter card can be fitted in slots 00, 01 and 02.
Note:
The three slots are synchronising positions. H0 in position 00 has priority over H1, H2
and H3 (retrieved from the T0 interfaces built into the UCT-S card) which have the same
priority.
Layout in a NeXspan S12 (no expansion cabinet)
•
Non rackable NeXspan S12: as standard, no expansion cards (optional backplane),
•
Rackable NeXspan S12: 3 slots numbered from 00 to 02.
Figure 7-12: Slot numbers on the backplane of an XS12 switch
An LD4/LD4NX card (in LD4N or LD4X mode) with or without ADPCM16 daughter card can be
fitted in slots 00, 01 and 02.
Note:
On XS12, the backplane does not transmit the network synchronisation (synchronising
slots are T0 interfaces built into the UCT card. Consequently, the XS12 cannot accept
LT2, LD4, LD4NX type synchronising cards with the T0 function.
02
01
00
UCT-S
02
01
00
UCT3S-12
Содержание NeXspan C
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