27V SMPSU MODULE
The controller includes a 27V/150W (5.6A) switched mode power supply unit with solid state overload protection. With the
mains supply ON the green output healthy LED should be illuminated. The output voltage is factory set to 27.5V DC (with
the batteries disconnected) using a DVM across V+/V-.
BATTERY STANDBY
In the event of a mains failure, two 12V 5Ah rechargeable batteries will maintain a typical
system for approx. 8 hours. A protection circuit will disconnect the battery supply in the
event of prolonged mains failure to prevent damage to the batteries. The mains supply
must be applied first to energise the protection circuit, i.e. the system will not function
by simply connecting the batteries alone.
TELEPHONE CONNECTION
Two BT master sockets (not supplied) are required to connect the external telephone line and the local DECT base
stations/fixed CLI telephones to the controller.
The PSTN line should be terminated in a master socket by the telephone company. Connect a 2 pair CW1308 spec cable
from the second master socket (terminals 2, 3 & 5) to the DECT base station, Matrix IP PBX or fixed telephone sockets on
the scheme. Note a maximum of 4 devices can be connected to the Advent xt.
DATAFLASH CARD
Switch off the mains supply and disconnect the battery before removing
the Dataflash card. Push down to release the SD card mechanical latch, to refit
push down until the latch clicks into place.
ATTENTION: Electrostatic Sensitive Device - observe precautions for handling.
Only use a Tynetec Dataflash card type: A00480
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