peb2255 Infineon Technologies Corporation, peb2255 Datasheet - Page 153

• Manufacturer Part Number: peb2255
• Description: E1/t1/j1 Framer And Line Interface Component For Long And Short Haul Applications
• Manufacturer: Infineon Technologies Corporation

5.6.2
In the remote loopback mode the clock and data recovered from the line inputs RL1/2 or
RDIP/RDIN are routed back to the line outputs XL1/2 or XDOP/XDON via the analog or
digital transmitter. As in normal mode they are also processed by the synchronizer and
then sent to the system interface.The remote loopback mode is selected by setting the
respective control bits LIM1.RL+JATT. Received data may be looped with or without the
transmit jitter attenuator (FIFO).
Figure 52
Data Sheet
RL1
RL2
XL1
XL2
XCLK
Remote Loop
Remote Loop (T1/J1)
Clock +
Data
Recovery
MUX
MUX
RCLK
RCLK
DCO1/2
DCO-R/DCO-X
FIFO
153
Rec.
Framer
Trans.
Framer
Functional Description T1/J1
Elast.
Store
Elast.
Store
FALC-LH V1.3
ITS09750
PEB 2255
RDO
XDI
2000-07