Data Sheet
June 2002
TMXF28155 Supermapper
155/51 Mbits/s SONET/SDH x28/x21 DS1/E1
12 28-Channel Framer Registers (continued)
12.16 Frame Formatter Per Link Registers
Table 436. FRM_FFLR1, Frame Formatter Link Register 1 (R/W)
Address*
Bit
Name
Function
Reset
Default
Reserved. Must write to 0.
0x8LPF4 15:12
11
RSVD
0000
0
FRM_ESFRAMD ESF Remote Alarm Indicator Mode.
0 = data link remote alarm sequence is 1111 1111 0000 0000.
1 = data link remote alarm is all ones.
10:8 FRM_ZCSMD[2:0] Zero Code Suppression Modes.
000
000 = ZCS off.
001 = set bit 6 (numbered 0—7) of all time slots.
011 = set bit 6 of all 0-byte time slots.
101 = set bit 6 of all voice time slots.
111 = set bit 6 of all 0-byte voice time slots.
110 = set 0-byte time slots to 1001 1000.
100, 010 = reserved.
(Signaling F and G bits identify voice time slots.)
7
6
RSVD
Reserved. Must write to 0.
0
0
FRM_OCKEDGE Output Clock Edge Selection.
0 = data clocked out on rising clock edge.
1 = data clocked out on falling clock edge.
5:4
3
RSVD
Reserved. Must write to 0.
0
0
FRM_AUTOPLB Automatic Payload Loopback (ESF Framing Only).
0 = ignore received payload loopback requests.
1 = automatically start payload loopback when payload loop-
back signal is received.
2
FRM_AUTOLLB Automatic Line Loopback (SF and ESF Framing Only).
0
0 = ignore received line loopback requests.
1 = automatically start line loopback when line loopback signal
is received.
1
0
FRM_AUTOEBIT Automatic E-Bit Insertion (CEPT Framing Only).
0
0
0 = ignore E-bit insertion requests from PM.
1 = automatically insert E bits when indicated by PM.
FRM_AUTORAI Automatic RAI Insertion.
0 = ignore RAI insertion requests from PM.
1 = automatically insert RAI when indicated by PM.
* See Table 429 on page 298 for values of L and P.
Agere Systems Inc.
305
ETC [ ETC ]
