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sger
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Joined: Thu Sep 22, 2016 1:36 pm

SFP+ S+85DLC03DI

Fri Sep 21, 2018 12:28 pm

Hi all,

What is maximum reachable distance with a S+85DLC03DI? We bought some S+85DLC03D but S+85DLC03DI arrived and we are having problems with links (flapping) that become stable when we disable auto-negotiation and set link speed 1G.
Links are between CRS328 and CRS317, distance is approximatly 50m.

Why does S+85DLC03DI report a sfp-link-length-50um of 80m instead of 300m?
/interface ethernet monitor sfp-sfpplus1 once
                      name: sfp-sfpplus1
                    status: no-link
          auto-negotiation: done
               advertising: 
  link-partner-advertising: 
        sfp-module-present: yes
               sfp-rx-loss: yes
              sfp-tx-fault: no
                  sfp-type: SFP-or-SFP+
        sfp-connector-type: LC
      sfp-link-length-50um: 80m
      sfp-link-length-62um: 30m
           sfp-vendor-name: Mikrotik
    sfp-vendor-part-number: S+85DLC03DI
       sfp-vendor-revision: A
         sfp-vendor-serial: STST85S72600352
    sfp-manufacturing-date: 17-07-11
            sfp-wavelength: 850nm
           sfp-temperature: 27C
        sfp-supply-voltage: 3.251V
       sfp-tx-bias-current: 5mA
              sfp-tx-power: -2.746dBm
              sfp-rx-power: -41.266dBm
           eeprom-checksum: good
                    eeprom: 0000: 03 04 07 10 00 00 00 20  40 0c c0 06 67 00 00 00  .......  @...g...
                            0010: 08 03 00 1e 4d 69 6b 72  6f 74 69 6b 20 20 20 20  ....Mikr otik    
                            0020: 20 20 20 20 00 00 00 00  53 2b 38 35 44 4c 43 30      .... S+85DLC0
                            0030: 33 44 49 20 20 20 20 20  41 20 20 20 03 52 00 6e  3DI      A   .R.n
                            0040: 00 1a 00 00 53 54 53 54  38 35 53 37 32 36 30 30  ....STST 85S72600
                            0050: 33 35 32 20 31 37 30 37  31 31 20 20 68 f0 05 af  352 1707 11  h...
                            0060: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  ........ ........
                            0070: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  ........ ........
                            0080: 64 00 d8 00 5f 00 dd 00  8c a0 6d 60 88 b8 71 48  d..._... ..m`..qH
                            0090: 1d 4c 00 fa 17 70 01 f4  31 2d 04 ea 27 10 06 30  .L...p.. 1-..'..0
                            00a0: 31 2d 01 3c 27 10 01 8e  00 00 00 00 00 00 00 00  1-.<'... ........
                            00b0: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  ........ ........
                            00c0: 00 00 00 00 3f 80 00 00  00 00 00 00 01 00 00 00  ....?... ........
                            00d0: 01 00 00 00 01 00 00 00  01 00 00 00 00 00 00 26  ........ .......&
                            00e0: 1b c6 7f 00 0b 54 14 c1  00 01 00 00 00 00 02 00  .....T.. ........
                            00f0: 00 40 00 00 00 40 00 00  00 00 00 00 00 00 00 00  .@...@.. ........
Last edited by sger on Fri Sep 21, 2018 12:28 pm, edited 1 time in total.
 
magnavox
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Re: SFP+ S+85DLC03DI

Wed Oct 03, 2018 3:02 pm

Hi Mikrotik Team,
please post more details S+85DLC03DI vs S+85DLC03D.
 
sger
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Re: SFP+ S+85DLC03DI

Mon Oct 08, 2018 10:02 am

In this moment, all our S+85DLC03DI are useless…
s+85dlc03di.jpg
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msatter
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Re: SFP+ S+85DLC03DI

Mon Oct 08, 2018 3:19 pm

The Mikrotik team can be reached at support@mikrotik.com

ps. the auto-negotiation disabled and set link speed 1G setting is commonly used by owners of Mikrotik stuff to get it working.
 
sger
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Re: SFP+ S+85DLC03DI

Mon Oct 08, 2018 3:28 pm

Hi msatter,

I already send a request to support@mikrotik.com a week ago, without reply...
 
msatter
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Re: SFP+ S+85DLC03DI

Mon Oct 08, 2018 3:46 pm

That is not normal you should have receive a confirmation e-mail and after a few days a response from them.

I put a request last Friday and received today my answer. Yours is more complicated because it involves hardware so the have to check that first.
 
sger
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Re: SFP+ S+85DLC03DI

Mon Oct 08, 2018 4:22 pm

I know, I received confirmation but no response from Mikrotik team :(
 
msatter
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Re: SFP+ S+85DLC03DI

Wed Oct 10, 2018 1:39 pm

I know, I received confirmation but no response from Mikrotik team :(
Sent your request again with the word "repeat:" as first word the subject.
 
sger
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Re: SFP+ S+85DLC03DI

Wed Oct 10, 2018 1:54 pm

Mikrotik team reply to me yesterday, they are working on.
 
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Ferrograph
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Re: SFP+ S+85DLC03DI

Mon Mar 22, 2021 6:32 pm

Sorry I know this is an old post but I have same weirdness with some SFP of the same model showing these figures and sometimes connectivity between switches is lost.

Did you reach a resolution? Faulty SFP modules? Something else?

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