4 The Card
Version A
4-15
K1
The panel side
The mounting side
Figure 4-5
The location of the key of the C155A card
Caution:
The reset operation may result in interruption of all services carried by
the C155A card. The reset operation is generally conducted in course of
the card maintenance and upgrade. It is not recommended that the user
directly issue a reset command using the reset key.
Technical Specification
Table 4-21
The C155A card technical specification
Item
Specification
Power consumption
≤
40w
4.7
The CE1B Card
Main Function
Provides
thirty-two
E1 uplink interfaces;
Supports E1 circuit emulation;
Supports 4 clock acquisition modes: Clock extraction from the input E1 line,
external input reference clock, internal free running clock and clock received
from other clock cards. The clock acquisition mode can be selected according
to the network condition.
