AMT/PTD/PBX/0020/2/4/EN
01/2007
Page 67
Chapter 4 - Implementation of hardware
on NeXspan C/S/L/D
4.1
Conventions used for card names
All expansion cards exist in two physical formats:
•
format fitted with an extraction handle and Stocko connectors. These Stocko cards have the
name of the card followed by the extension ST (example : LD4 ST, LD4NX ST).
•
format with a front panel for RJ45 connectors. These RJ cards have the name of the card
followed by the extension RJ (example : LD4 RJ, LD4NX RJ).
When a card is referred to in general, whether it is a Stocko or RJ45 card, only the name of the
card is used (LD4, LD4NX, etc.).
When a CPU card is referred to in general, whether it is a first or seconde or third generation
card, only the standard name of the card is used: UCT-S, UCTS-12 et UCT-C.
4.2
Interface cards
The cards used to connect DECT base stations to NeXspan C/S/L/D range devices are:
•
LD4/LD4NX cards, If necessary equipped with the ADPCM16 daughter card.
Note:
There are two operating modes on the LD4NX card. The LD4N standard operating
mode compatible with the previous LD4 card and the LD4X operating mode obtained
by removing or plugging the jumper J14 into pins 1 and 2. The LD4X operating mode,
only compatible as of release R4.1, is used to implement additionnal functions (see §
4.5 et § 4.6).
•
UCT-S CPU cards (UCT2-S/UCT3-S, if necessary equipped with the ADPCM16 daughter
card) of NeXspan S.
•
UCTS-12 CPU cards (UCT2S-12/UCT3S-12, if necessary equipped with the ADPCM16
daughter card) of NeXspan S12.
•
UCT-C CPU cards (UCT2-C, if necessary equipped with the ADPCM16 daughter card) of
NeXspan C.
LD4 and LD4NX cards
The LD4 and LD4NX cards have four T0/S0 interfaces and are used to manage 2- or 4-channel
DECT base stations. The T0/S0 interfaces are configured by MMC:
•
as T0 for connection of an ISDN network basic rate interface,
•
as S0 for connection of an ISDN terminal or DECT base station.
The LD4 and LD4NX cards also allow the connection of four 2-channel DECT base stations or
four 4-channel DECT base stations if they are equipped with an ADPCM16 card.
Summary of Contents for NeXspan C
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