PEF24901HV22XP Lantiq, PEF24901HV22XP Datasheet - Page 60

• Manufacturer Part Number: PEF24901HV22XP
• Manufacturer: Lantiq

Specifications of PEF24901HV22XP

• Control Interface: HDLC
• Lead Free Status / Rohs Status: Compliant

Timers
The start of timers is indicated by TxS, the expiry by TxE. The following table shows
which timers are used.
Table 15
Timer
T05
T1
T7
T12
3.5.11.2 State Machine Outputs
Below the signals and indications are summarized that are issued on IOM
indications) and on the U-interface (predefined U-signals).
C/I Indications
AR
AI
DEAC
DI
Data Sheet
Duration (ms)
0.5
1.0
7.0
12.0
Activation Request
The AR code indicates that a start-up procedure is in progress.
Activation Indication
’AI’ indicates that the whole transmission line is now synchronized and
transparent from the LT to the TE or that the test loop #1 has been
activated..
Deactivation Accepted
DEAC is issued in response to a DR-code and in the states Reset and Test.
Deactivation Indication
DI informs the upstream unit that the U-transmission line is deactivated.
Timers
Function
C/I code recognition
Defines duration of U4H
NT reaction time
Supervises U1W repetition
Supervises U2W repetition
61
Functional Description
State
Deactivated
Link to TE Synch
Wait 1ms
Ack. sent / received
Sending awake- ack.
Start awaking Uk0,
Awake signal sent
PEF 24901
2002-09-30
®
-2 (C/I-
DFE-T