PEB20591HV22XP Lantiq, PEB20591HV22XP Datasheet - Page 31

• Manufacturer Part Number: PEB20591HV22XP
• Manufacturer: Lantiq

Specifications of PEB20591HV22XP

• Control Interface: HDLC
• Lead Free Status / Rohs Status: Supplier Unconfirmed

PRELIMINARY
3.3.1
The S/T interface uses two pairs of copper wires (dedicated to transmit and receive) for
2B+D data transfer. It builds a direct link between the VIP and connected subscriber
terminals or the Central Office. It supports point-to-point or point-to-multipoint modes.
Data and maintenance information is accessible by DELIC via the IOM-2000 interface.
•
Figure 14
•
Bit
F
L.
D
E
F
N
B1
B2
Data Sheet
A
Description
Framing Bit
F = (0b)
DC Balancing Bit
L. = (0b)
D-Channel Data
Signaling data specified by user
D-Channel Echo Bit
E = D if D-channel is not blocked, otherwise E = D. (ZEROs always overwrite
ONEs)
Auxiliary Framing Bit
See section 6.3 in ITU I.430
N =
B1-Channel Data
User data
B2-Channel Data
User data
F
Frame Structure
A
Frame Structure at Reference Points S and T (ITU-T I.430)
code violation, identifies a new frame (always positive pulse)
number of binary ZEROs sent after the previous L. bit was odd
23
Interface Description
PEB 20590
PEB 20591
2001-03-01