TFRA08C13-DB AGERE [Agere Systems], TFRA08C13-DB Datasheet - Page 86
TFRA08C13-DB
Manufacturer Part Number
TFRA08C13-DB
Description
TFRA08C13 OCTAL T1/E1 Framer
Manufacturer
AGERE [Agere Systems]
Datasheet
1.TFRA08C13-DB.pdf
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TFRA08C13 OCTAL T1/E1 Framer
Facility Data Link
The received ANSI FDL status byte, register FDL_SR3, has the following format.
Table 38. Receive ANSI Code
Receive ANSI Performance Report Messages (PRM)
As defined in ANSI T1.403, the performance report messages consist of 15 bytes, starting and ending with an
HDLC flag. The receive framer status information consists of four pairs of octets, as shown in Table 39. Upon
detection of the PRM message, the receive FDL extracts the 13 bytes of the PRM report field and stores it in the
receive FDL FIFO along with the status of frame byte.
Table 39. Performance Report Message Structure*
* The rightmost bit (bit 1) is transmitted first for all fields except for the 2 bytes of the FCS that are transmitted
The definition of each PRM field is shown in Table 40, and octet content is shown in Table 41.
86
Number
left most bit (bit 8) first.
13—14
Octet
10
12
15
11
1
2
3
4
5
6
7
8
9
B7
0
PRM B7 PRM B6 PRM B5 PRM B4 PRM B3 PRM B2 PRM B1 PRM B0
G3
G3
G3
G3
FE
FE
FE
FE
B6
0
SE
SE
SE
SE
LV
LV
LV
LV
(continued)
B5
X
G4
G4
G4
G4
LB
LB
LB
LB
5
SAPI
TEI
G1
G1
G1
U1
G1
U1
U1
U1
Control
FCS
Flag
Flag
B4
X
4
U2
U2
U2
U2
R
R
R
R
B3
X
G5
G2
G5
G2
G5
G2
G5
G2
3
C/R
Nm
Nm
Nm
Nm
SL
SL
SL
SL
B2
X
2
EA
EA
G6
G6
G6
G6
Nl
Nl
Nl
Nl
Preliminary Data Sheet
B1
X
1
Lucent Technologies Inc.
Lucent Technologies Inc.
October 2000
B0
X
0
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