User's Manual

Table Of Contents
60 LEDR Series I/O Guide MDS 05-3627A01, Rev. D
Table 19 shows a list of line mode values for T1 interfaces and Table 20
for E1 interfaces.
g821 G.821 Information
Usage:
demod io1|io2|io3|io4|all [clr]
This command is used to show or reset the radio’s G.821 information.
The LEDR family of radios support the ITU G.821 recommendation for
display of four categories of statistical availability information: avail-
able seconds, errored seconds, severely errored seconds, and unavail-
able seconds.
Example Response:
Demodulator: ERROR FREE
Savail: 1036
Sunavail: 0
ES: 0
SES: 0
group Group Number in LEDR System
Usage:
Group [<0-99>]
Table 19. T1 Frames Line Mode Values
Value Mode
0 FT only (default)
1 ESF
2 ESF + PRM
3SF
4 SF + JYEL
5 ESF + CRC
6 ESF + CRC +PRM
Table 20. E1 Frames Line Mode Values
Value Mode
0 FAS only (default)
1 FAS + BSLIP
2 FAS + CRC
3 FAS + CRC + BSLIP
4 FAS + CAS
5 FAS + CAS + BSLIP
6 FAS + CRC + CAS
7 FAS + CRC + CAS + BSLIP
8 Raw, unframed, transparent mode.*
* Mode 8 is forbidden in fractional modes.
E1
FT1
FE1