HBCU-5710R Datasheet, PDF (13/25 Pages) AVAGO TECHNOLOGIES LIMITED – Designed for Industry-Standard MSA-Compliant, Small Form Factor Pluggable (SFP) Ports

Table 6: Register 1 (Status)
Bit
1.15:9
RO
1.8
RO
1.7
RO
1.6
RO
1.5
RO
1.4
RO/LH
1.3
RO
1.2
RO/LL
1.1
RO/LH
1.0
RO
Name
N/A to SFP Module
Description
Extended Status
1 = Extended status information in register 15
N/A to SFP Module
MF Preamble
Suppression
Auto-Negotiation
Complete
Remote Fault
Auto-Negotiation Ability
Link Status
1 = PHY will accept management frames with preamble
suppressed.
1 = Auto-Negotiation Process Completed
0 = Auto-Negotiation Process Not Completed
1 = remote fault condition detected
0 - no remote fault condition detected
1 = module is able to perform Auto-Negotiation
0 = module is unable to perform Auto-Negotiation
1 = link is up
0 = link is down
Jabber Detect
Extended Capability
1 = jabber condition detected
0 = no jabber condition detected
1 = extended register capabilities
Hardware
Reset
0000000
Software
Reset
0000000
Details
1
1
Always 1
0
0
1
1
Always 1
0
0
0
0
1
1
0
0
0
0
1
1
Always 1
Table 7. Register 4 (Auto-Negotiation Advertisement)
Bit
4.15:14
R/W
Name
N/A to SFP Module
Description
Hardware
Reset
00
Software
Reset
00
4.13
Remote Fault
R/W
1 = Remote fault bit is set
0
0 = No remote fault
4.12
R/W
4.11:10
R/W
N/A to SFP Module
PAUSE Encoding
4.9:5
R/W
4.4:0
RO
13
N/A to SFP Module
IEEE 802.3 Selector
Field
0
11 = Both Asymmetric PAUSE and 11
Symmetric PAUSE toward local
device
10 = Asymmetric PAUSE toward
link partner
01 = Symmetric PAUSE
00 = No PAUSE
00000
00001
Retain
Retain
Retain
00000
00001
Details
When writing to register 4, be sure
to preserve the values of these bits.
Changes to these values can inter-
rupt the normal operation of the SFP
module.
This bit takes effect after auto-negotia-
tion is restarted, either via bit 0.9 or
because the link goes down.
This bit takes effect after auto-negotia-
tion is restarted, either via bit 0.9 or
because the link goes down.
Set per IEEE standard.