Alcatel-Lucent 7750 SR OS Basic User Manual

Network Synchronization
Page 230 7750 SR OS Basic System Configuration Guide
Table 29: Synchronization Message Coding and Source Priorities (Transmitted by Interface of Type)
SSM values to be transmitted by interface of type
Internal
Relative
Quality Level
SDH interface
SyncE interafce in
SDH mode
SONET Interface
SyncE interface in
SONET mode
E1 interface T1 interface (ESF)
1. Best quality 0010 (prc) 0001 (PRS) 0010 (prc)
00000100 11111111
(PRS)
2. 0100 (ssua) 0000 (stu) 0100 (ssua)
00001000 11111111 (stu)
3. 0100 (ssua) 0111 (st2) 0100 (ssua)
00001100 11111111 (st2)
4. 0100 (ssua) 0100 (tnc) 0100 (ssua)
01111000 11111111
(tnc)
5. 1000 (ssub) 1101 (st3e) 1000 (ssub)
01111100 11111111
(st3e)
6. 1000 (ssub) 1010 (st3/eec2) 1000 (ssub)
00010000 11111111 (st3)
7. 1011 (sec/eec1) 1010 (st3/eec2) 1011 (sec)
00010000 11111111 (st3)
8. Lowest qual-
ity qualified in
QL-enabled
mode
1011 (sec/ eec1) 1100 (smc) 1011 (sec) 00100010 11111111
(smc)
9. 1111 (dnu) 1100 (smc) 1111 (dnu) 00100010 11111111
(smc)
10. 1111 (dnu) 1111 (dus) 1111 dnu
00101000 11111111 (st4)
11. 1111 (dnu) 1110 (pno) 1111 (dnu)
01000000 11111111
(pno)
12. 1111 (dnu) 1111 (dus) 1111 (dnu)
00110000 11111111
(dus)
13. QL_INVALI
D
1111 (dnu) 1111 (dus) 1111 (dnu)
00110000 11111111
(dus)
14. QL-FAILED 1111 (dnu) 1111 (dus) 1111 (dnu)
00110000 11111111
(dus)
15. QL-UNC 1011 (sec/eec1) 1010 (st3/eec2) 1011 (sec)
00010000 11111111 (st3)

Alcatel-Lucent 7750 SR OS Basic Specifications

General

Brand	Alcatel-Lucent
Model	7750 SR OS Basic
Category	Network Router
Language	English