16 / 58 page
IP113M LF
Preliminary Data Sheet
2.3
Remote management
IP113M LF supports remote monitor and configuration function. IP113M LF implement the function by
exchanging maintenance frames on fiber ports between two IP113M LF’s. The maintenance frames are
not forwarded to TP ports. The frame format follows the TS-1000 standard.
2.3.1
Maintenance frame format at MII
TXD0 F0 F4 C0 C4 C8 C12 S0 S4 S8 S12 M0 M4 M8 M12 M16 M20 M24 M28 M32 M36 M40 M44 E0 E4
TXD1 F1 F5 C1 C5 C9 C13 S1 S5 S9 S13 M1 M5 M9 M13 M17 M21 M25 M29 M33 M37 M41 M45 E1 E5
TXD2 F2 F6 C2 C6 C10 C14 S2 S6 S10 S14 M2 M6 M10 M14 M18 M22 M26 M30 M34 M38 M42 M46 E2 E6
TXD3 F3 F7 C3 C7 C11 C15 S3 S7 S11 S15 M3 M7 M11 M15 M19 M23 M27 M31 M35 M39 M43 M47 E3 E7
TXEN
2.3.2
Bit definition of maintenance frame
Bit
Item
Description
Note
F7 – F0
Preamble
01010101
Fixed
C0
Discriminator for the
maintenance signal
0
Fixed
C1
Direction
0: terminal MC
central MC
1: central MC
terminal MC
(MC: media converter)
C3 – C2
Command
00: Reserved
10: Indication
01: Request
11: Acknowledge
C7 – C4
Version
0000
Fixed
C15
C8
Function
0
0
0
0
0
0
01
Loop test start
0
0
0
0
0
0
00
Loop test finished
0
0
0
0
0
0
10
Status indication
C15 – C8
Control signal
Address [4:0]
R/W
11
R/W link partner’s
registers
S0
Condition of power
0: normal, 1: power off
S1
Situation of receiving optical
power
0: normal, 1: abnormal
S2
Terminal/ network side link
0: link up, 1: link down
If S11=“1”, S2=”X”
S3
MC (media converter) fails
0: normal, 1: abnormal
S4
Informing way for optical
receiving power off
0: maintenance frame
1: Far end fault indication
S5
Status indication for loop test 0: normal mode, 1: under loop test
April 9, 2007
16/58
Copyright © 2004, IC Plus Corp.
IP113M LF-DS-R11
Chinese ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
