HFC-4S Cologne Chip AG, HFC-4S Datasheet - Page 265

• Manufacturer Part Number: HFC-4S
• Description: Isdn HDLC Fifo Controller With 8 (4) Integrated S/t Interfaces
• Manufacturer: Cologne Chip AG

A.2 Activation / deactivation layer 1 of finite state matrix for TE
Legend:
Notes:
Note 1: After reset the state machine is fixed to F 0.
Note 2: This event reflects the case where a signal is received and the TE has not (yet) determined
Note 3: Bit- and frame-synchronization achieved.
Note 4: Loss of Bit- or frame-synchronization.
Note 5: Timer 3 (T3) is not implemented in the HFC-4S / 8S and must be implemented in software.
March 2003 (rev. A)
HFC-4S
HFC-8S
— No state change
/ Impossible situation
Impossible by the definition of the layer 1 service
wether it is INFO 2 or INFO 4.
Event:
State machine release
(Note 1)
Activate request,
Expiry T3 (Note 5)
Receiving INFO 0
Receiving any signal
(Note 2)
Receiving INFO 2
(Note 3)
Receiving INFO 4
(Note 3)
Lost framing (Note 4)
receiving any signal
receiving INFO 0
State number:
Table A.2: Activation / deactivation layer 1 for finite state matrix for TE
State name:
INFO sent:
INFO 0
F 0
F 2
—
—
—
—
—
—
—
—
INFO 0
F 2
F 3
F 6
F 7
—
/
/
/
S/T frame structure
Data Sheet
INFO 0
F 3
F 5
F 4
F 6
F 7
—
—
—
/
/
INFO 1
F 4
F 5
F 3
F 6
F 7
—
/
/
INFO 0
F 5
F 3
F 6
F 7
—
—
/
/
INFO 3
F 6
F 3
F 3
F 7
F 8
—
—
—
/
/
INFO 3
F 7
F 3
F 6
F 8
—
—
/
/
INFO 0
Cologne
Chip
F 8
F 3
F 6
F 7
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