Sagem 4450E - Manual (Page 25)

SAGEM 3P@C
3P@C Installation Manual
Page 2-2 Reproduction and communication in any form prohibited without the written permission of SAGEM SA
3P@C 4450E provides the uplink interface and the Console port on the SMUB. The rest subscriber
line outlets are set on the backplane, that is, the rear leading-out mode is adopted. Therefore, all the
subscriber line interfaces and power supply interfaces are provided on the rear of 3P@C 4450E, as
shown in Figure 2-2:
Figure 2-2 Rear view of the general chassis of 3P@C 4450E
Grounding
socket
DIN
connector
Power interface
of the fans
Power interface of
the equipment
Power interface of
the fan module
Air outlet of the air
deflector frame
Viewed from the rear, the general chassis of 3P@C 4450E consists of the following parts:
„ DIN connector: Subscriber line interface
„ Equipment power supply interface: -48 V DC power supply interface
„ Fan power supply interface: Connects with the fan module power socket to supply
power to the fan
„ Fan module power socket: Connects with the fan power supply interface to supply
power to the fan
„ Grounding socket: Equipment grounding
„
Outlet of the air deflector frame: Hot air outlet of the switch below when multiple sets
of equipment are working
The DIN connectors are used for the subscriber line interfaces in two rows (upper and lower). Each
DSL service board needs 2 groups of subscriber lines. One group is the LU line that corresponds to
the connector in the upper row and is connected to the subscriber line, and the other group is the LC
line that corresponds to the connector in the lower row and is connected to the PSTN switch. The slots
correspond to the types of the service boards inserted in the chassis front to support subscribers of
different quantities. For the definition and connection method of subscriber lines, refer to the contents
in Section 4.7.
„ For ADUB/ADUC, each slot supports 32 subscribers.
„ For VDUB, each slot supports 24 subscribers.
The 3P@C 4450E rear also provides an equipment power supply interface, a fan power supply
interface and a fan module power supply socket.
prompt
Here the -48 V DC power supply is adopted for 3P@C
4450E.
In addition, two grounding sockets marked with are provided on the upper part of the rear panel for
equipment grounding.