AMT/PTD/PBX/0058/4/6/EN Installation and Maintenance Manual - Aastra 5000
Page 194 01/2011 Description des sous-ensembles
4.9.3 Hardware and software configuration
The EXT1-S12 card has 4 jumpers for configuring remote power supply of the S/T0 to S/
T3 accesses (one jumper block for each access). These jumpers are fitted on connectors
J29_xx and J30_xx located on the front panel of the EXT1-S12 card (J29_30 for S/T0
access, J29_31 and J30_31 for S/T1 access).
The four accesses are placed vertically on the card. The one at the bottom is the S/T0
access and the one at the top the S/T3 access.
Depending on the position of the jumpers, the S/T0 to S/T3 accesses will be configured as
follows:
• No remote power supply.
• Remote supply of - 48 V.
Figure 4.28 C
ONFIGURING REMOTE POWER SUPPLY OF S/T0 TO S/T3 ACCESSES
4.9.3.1 Installation and wiring
The A0 to A7 interfaces of the EXT1-S12 card have installation details identical to those of
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