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Action with block transfer not working

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By aoudumbarpawar , 16 May, 2022
Forums
General discussion

Dear Sir,

I am trying to import then gurux's root certificate in the meter using action block transfer but gurux send wrong request after 2nd block.

following is the log:
TX: 7E A8 7E 00 02 BA 69 61 54 75 1E E6 E6 00 C3 04 C1 00 40 00 00 2B 00 01 FF 06 00 00 00 00 01 81 EC 09 82 01 E6 30 82 01 E2 30 82 01 89 A0 03 02 01 02 02 03 0F 48 5A 30 0A 06 08 2A 86 48 CE 3D 04 03 02 30 4E 31 14 30 12 06 03 55 04 03 0C 0B 52 6F 6F 74 20 43 41 20 32 35 36 31 17 30 15 06 03 55 04 0A 0C 0E 47 75 72 75 78 20 53 65 63 75 72 69 74 79 31 10 30 0E 06 03 55 04 07 D2 A9 7E
15:33:22
RX: 7E A0 16 61 00 02 BA 69 74 5F D7 E6 E7 00 C7 04 C1 00 00 00 01 4E 2C 7E
15:33:22
TX: 7E A8 7E 00 02 BA 69 61 56 67 3D 0C 07 54 61 6D 70 65 72 65 31 0B 30 09 06 03 55 04 06 13 02 46 49 30 1E 17 0D 32 31 30 31 30 31 30 30 30 30 30 30 5A 17 0D 34 30 30 31 30 31 30 30 30 30 30 30 5A 30 4E 31 14 30 12 06 03 55 04 03 0C 0B 52 6F 6F 74 20 43 41 20 32 35 36 31 17 30 15 06 03 55 04 0A 0C 0E 47 75 72 75 78 20 53 65 63 75 72 69 74 79 31 10 30 0E 06 03 55 04 07 0C 07 EC 73 7E
15:33:22
RX: 7E A0 0A 61 00 02 BA 69 97 99 06 7E

BR,
AP

Profile picture for user Kurumi

Kurumi

4 years ago

Hi,

Hi,

It seems like all the data is received, but the meter sends an invalid HDLC status byte.
7E A8 7E... should be
7E A0 7E...

BR,
Mikko

aoudumbarpawar

4 years ago

Dear Sir,

Dear Sir,
Thanks!!! Its working now.

Negotiated Max PDU size should be less than negotiated server max TX RX lenght in SNRM UA

BR,
AP

Profile picture for user Kurumi

Kurumi

4 years ago

Hi,

Hi,

If Negotiated Max PDU must be smaller than the maximum frame size in SNRM UA then the PDU must fit to one frame. That is not a problem if you have a lot of RAM.

BR,
Mikko

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