
PRELIMINARY
XRT86SH328
185
REV. P1.0.6
28-CHANNEL DS1/E1 FRAMER/LIU WITH DS3 MUX & VT-MAPPER - SONET APPLICATIONS
BIT 4 - Transmit DS2 AIS - DS2 Channel 4:
See BIT6 description.
TBIT 3 - Transmit DS2 AIS - DS2 Channel 3:
See BIT6 description.
BIT 2 - Transmit DS2 AIS - DS2 Channel 2:
See BIT6 description.
BIT 1 - Transmit DS2 AIS - DS2 Channel 1:
See BIT6 description.
BIT 0 - Transmit DS2 AIS - DS2 Channel 0
See BIT6 description.
BIT7 - Reserved:
BIT6 - Transmit DS2 Loop-back Request - DS2 Channel 6:
This READ/WRITE bit-field is used to command the Transmit DS3 Framer block to transmit the Loop-back Request
indicator, for DS2 Channel 6.
`
0 - The Transmit DS3 Framer block will NOT transmit the Loop-back Request for DS2 Channel #6 (Normal Operation)
`
1 - The Transmit DS3 Framer block will transmit the Loop-back Request for DS2 Channel # 6.
N
OTE
:
Whenever the user executes this command, then the Transmit DS3 Framer block will invert the appropriate C-
bit of the three (e.g., C71, C72 or C73) based upon the user's setting of Bits 1 and 0 (M23 Loop-back
Codes[1:0]) within the DS3 Framer Block - M23 Configuration Register (Address = 0x0E07).
BIT 5 - Transmit DS2 Loop-back Request - DS2 Channel 5:
See BIT6 description.
BIT 4 - Transmit DS2 Loop-back Request - DS2 Channel 4:
See BIT6 description.
BIT 3 - Transmit DS2 Loop-back Request - DS2 Channel 3:
See BIT6 description.
BIT 2 - Transmit DS2 Loop-back Request - DS2 Channel 2:
See BIT6 description.
BIT 1 - Transmit DS2 Loop-back Request - DS2 Channel 1:
See BIT6 description.
BIT 0 - Transmit DS2 Loop-back Request - DS2 Channel 0:
See BIT6 description.
T
ABLE
244: DS3 F
RAMER
B
LOCK
- M23 - DS2 L
OOP
-
BACK
R
EQUEST
R
EGISTER
(A
DDRESS
= 0
X
0E09)
BIT7
BIT6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
Reserved
Transmit
DS2 Loop-
back
Request -
DS2
Channel 6
Transmit
DS2 Loop-
back
Request -
DS2
Channel 5
Transmit
DS2 Loop-
back
Request -
DS2
Channel 4
Transmit
DS2 Loop-
back
Request -
DS2
Channel 3
Transmit
DS2 Loop-
back
Request -
DS2
Channel 2
Transmit
DS2 Loop-
back
Request -
DS2
Channel 1
Transmit
DS2 Loop-
back
Request -
DS2
Channel 0
R/O
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0