I found document
http://se2000.ru/download_programms/protokoli/RETAIL%20EBDS%20PROTOCOL%20SPECIFICATION%20with%20MPOST%20G2.pdf
I found external program which record communication between bill acceptor and PC (on PC installed test app with possibility to connect to bill acceptor and test communication).
Prefix send for command sended from PC, and prefix RECV response from bill acceptor.
Please for help how to send and receive this commands with Arduino.
16:16:25.184: SEND: 02 08 10 00 10 10 03 18
16:16:25.236: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:16:25.517: : 1 transactions identical to previous.
16:16:25.440: SEND: 02 0A 70 02 00 1C 10 01 03 75
16:16:25.517: RECV: 02 1E 70 02 01 10 00 00 54 2A 01 52 53 44 30 30 31 2B 30 32 00 41 41 42 41 00 00 00 03 5C
16:16:25.543: SEND: 02 0A 71 02 00 1C 10 02 03 77
16:16:25.620: RECV: 02 1E 71 02 01 10 00 00 54 2A 02 52 53 44 30 30 32 2B 30 32 00 41 41 42 42 00 00 00 03 5E
16:16:25.646: SEND: 02 0A 70 02 00 1C 10 03 03 77
16:16:25.724: RECV: 02 1E 70 02 01 10 00 00 54 2A 03 52 53 44 30 30 35 2B 30 32 00 41 41 42 43 00 00 00 03 58
16:16:25.750: SEND: 02 0A 71 02 00 1C 10 04 03 71
16:16:25.827: RECV: 02 1E 71 02 01 10 00 00 54 2A 04 52 53 44 30 30 31 2B 30 33 00 41 41 42 44 00 00 00 03 5C
16:16:25.853: SEND: 02 0A 70 02 00 1C 10 05 03 71
16:16:25.929: RECV: 02 1E 70 02 01 10 00 00 54 2A 05 52 53 44 30 30 32 2B 30 33 00 41 41 42 41 00 00 00 03 5A
16:16:25.955: SEND: 02 0A 71 02 00 1C 10 06 03 73
16:16:26.032: RECV: 02 1E 71 02 01 10 00 00 54 2A 06 52 53 44 30 30 35 2B 30 33 00 41 41 42 42 00 00 00 03 5C
16:16:26.057: SEND: 02 0A 70 02 00 1C 10 07 03 73
16:16:26.134: RECV: 02 1E 70 02 01 10 00 00 54 2A 07 52 53 44 30 30 35 2B 30 33 00 43 41 42 41 00 00 00 03 5D
16:16:26.159: SEND: 02 0A 71 02 00 1C 10 08 03 7D
16:16:26.237: RECV: 02 1E 71 02 01 10 00 00 54 2A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 02
16:16:26.238: EVNT: Connected
16:16:26.263: SEND: 02 08 60 00 00 04 03 6C
16:16:26.315: RECV: 02 19 60 53 43 38 33 30 37 00 7F 7F 7F 7F 7F 7F 7F 7F 7F 7F 7F 7F 7F 03 1A
16:16:26.340: SEND: 02 08 61 00 00 05 03 6C
16:16:26.391: RECV: 02 19 61 32 39 33 39 34 34 35 32 34 38 39 00 7F 7F 7F 7F 7F 7F 7F 7F 03 4B
16:16:26.416: SEND: 02 08 60 00 00 07 03 6F
16:16:26.467: RECV: 02 0E 60 32 38 35 36 36 35 34 32 30 03 52
16:16:26.493: SEND: 02 08 61 00 00 09 03 60
16:16:26.544: RECV: 02 0E 61 34 39 31 33 32 31 32 32 33 03 50
16:16:26.569: SEND: 02 08 60 00 00 08 03 60
16:16:26.645: RECV: 02 25 60 52 53 44 5F 53 48 4F 52 54 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 0D
16:16:26.671: SEND: 02 08 61 00 00 06 03 6F
16:16:26.721: RECV: 02 0E 61 32 38 30 37 39 38 31 31 34 03 57
16:16:26.746: SEND: 02 08 60 00 00 00 03 68
16:16:26.797: RECV: 02 0B 60 0D 01 0F 06 00 00 03 6E
16:16:26.822: SEND: 02 08 61 00 00 0A 03 63
16:16:26.924: RECV: 02 35 61 00 00 00 00 00 00 00 01 00 00 00 00 0C 06 02 0E 00 00 00 00 03 0C 09 00 00 00 00 00 03 0B 09 04 00 00 00 00 03 09 0D 02 00 00 00 00 03 09 07 09 03 51
16:16:26.950: SEND: 02 08 60 00 00 0B 03 63
16:16:27.052: RECV: 02 3D 60 00 00 00 00 03 0C 08 0C 03 07 0E 0F 03 0B 09 00 03 09 0C 0E 03 09 07 05 00 01 0C 02 00 00 05 09 00 00 00 00 00 00 00 00 00 00 06 07 00 04 04 0F 00 00 06 0C 00 00 00 00 03 55
16:16:27.077: SEND: 02 08 61 00 00 0C 03 65
16:16:27.206: RECV: 02 4D 61 00 00 0D 09 00 00 00 00 00 00 01 05 00 00 03 04 00 00 01 01 00 00 00 00 00 00 00 00 00 00 02 01 00 00 00 00 0C 06 02 0B 00 00 04 04 00 00 00 00 00 00 01 00 00 00 00 00 00 02 05 0D 00 00 00 00 00 00 00 06 00 08 0D 0B 03 28
16:16:27.232: SEND: 02 08 60 00 00 02 03 6A
16:16:27.283: RECV: 02 0B 60 00 00 00 02 05 0D 03 61
16:16:27.411: SEND: 02 08 11 7F 1C 10 03 6A
16:16:27.462: RECV: 02 0B 21 01 10 00 00 54 2A 03 45
16:16:32.494: : 26 transactions identical to previous.
16:16:32.239: SEND: 02 08 10 7F 1C 10 03 6B
16:16:32.494: RECV: NO REPLY
16:16:32.494: Timeout Exception : Did not receive reply in time
16:16:32.520: SEND: 02 08 10 7F 1C 10 03 6B
16:16:32.776: RECV: NO REPLY
16:16:32.776: Timeout Exception : Did not receive reply in time
16:16:32.801: SEND: 02 08 10 7F 1C 10 03 6B
16:16:32.853: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:16:33.775: : 3 transactions identical to previous.
16:16:33.520: SEND: 02 08 10 7F 1C 10 03 6B
16:16:33.775: RECV: NO REPLY
16:16:33.775: Timeout Exception : Did not receive reply in time
16:16:33.801: SEND: 02 08 10 7F 1C 10 03 6B
16:16:34.058: RECV: NO REPLY
16:16:34.058: Timeout Exception : Did not receive reply in time
16:16:34.084: SEND: 02 08 10 7F 1C 10 03 6B
16:16:34.135: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:16:35.412: : 5 transactions identical to previous.
16:16:35.156: SEND: 02 08 10 7F 1C 10 03 6B
16:16:35.412: RECV: NO REPLY
16:16:35.412: Timeout Exception : Did not receive reply in time
16:16:35.438: SEND: 02 08 10 7F 1C 10 03 6B
16:16:35.490: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:16:36.409: : 3 transactions identical to previous.
16:16:36.152: SEND: 02 08 10 7F 1C 10 03 6B
16:16:36.409: RECV: NO REPLY
16:16:36.409: Timeout Exception : Did not receive reply in time
16:16:36.435: SEND: 02 08 10 7F 1C 10 03 6B
16:16:36.691: RECV: NO REPLY
16:16:36.691: Timeout Exception : Did not receive reply in time
16:16:36.716: SEND: 02 08 10 7F 1C 10 03 6B
16:16:36.767: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:16:38.759: : 9 transactions identical to previous.
16:16:38.505: SEND: 02 08 10 7F 1C 10 03 6B
16:16:38.759: RECV: NO REPLY
16:16:38.759: Timeout Exception : Did not receive reply in time
16:16:38.786: SEND: 02 08 10 7F 1C 10 03 6B
16:16:39.042: RECV: NO REPLY
16:16:39.042: Timeout Exception : Did not receive reply in time
16:16:39.067: SEND: 02 08 10 7F 1C 10 03 6B
16:16:39.322: RECV: NO REPLY
16:16:39.322: Timeout Exception : Did not receive reply in time
16:16:39.347: SEND: 02 08 10 7F 1C 10 03 6B
16:16:39.398: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:16:39.961: : 1 transactions identical to previous.
16:16:39.706: SEND: 02 08 10 7F 1C 10 03 6B
16:16:39.961: RECV: NO REPLY
16:16:39.961: Timeout Exception : Did not receive reply in time
16:16:39.987: SEND: 02 08 10 7F 1C 10 03 6B
16:16:40.037: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:16:41.669: : 7 transactions identical to previous.
16:16:41.415: SEND: 02 08 10 7F 1C 10 03 6B
16:16:41.669: RECV: NO REPLY
16:16:41.669: Timeout Exception : Did not receive reply in time
16:16:41.695: SEND: 02 08 10 7F 1C 10 03 6B
16:16:41.745: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:16:43.025: : 5 transactions identical to previous.
16:16:42.769: SEND: 02 08 10 7F 1C 10 03 6B
16:16:43.025: RECV: NO REPLY
16:16:43.025: Timeout Exception : Did not receive reply in time
16:16:43.050: SEND: 02 08 10 7F 1C 10 03 6B
16:16:43.101: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:16:43.663: : 1 transactions identical to previous.
16:16:43.408: SEND: 02 08 10 7F 1C 10 03 6B
16:16:43.663: RECV: NO REPLY
16:16:43.663: Timeout Exception : Did not receive reply in time
16:16:43.689: SEND: 02 08 10 7F 1C 10 03 6B
16:16:43.739: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:16:45.730: : 9 transactions identical to previous.
16:16:45.476: SEND: 02 08 10 7F 1C 10 03 6B
16:16:45.730: RECV: NO REPLY
16:16:45.730: Timeout Exception : Did not receive reply in time
16:16:45.756: SEND: 02 08 10 7F 1C 10 03 6B
16:16:45.807: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:16:46.367: : 1 transactions identical to previous.
16:16:46.111: SEND: 02 08 10 7F 1C 10 03 6B
16:16:46.367: RECV: NO REPLY
16:16:46.367: Timeout Exception : Did not receive reply in time
16:16:46.392: SEND: 02 08 10 7F 1C 10 03 6B
16:16:46.444: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:16:50.584: : 21 transactions identical to previous.
16:16:50.330: SEND: 02 08 10 7F 1C 10 03 6B
16:16:50.584: RECV: NO REPLY
16:16:50.584: Timeout Exception : Did not receive reply in time
16:16:50.610: SEND: 02 08 10 7F 1C 10 03 6B
16:16:50.865: RECV: NO REPLY
16:16:50.865: Timeout Exception : Did not receive reply in time
16:16:50.891: SEND: 02 08 10 7F 1C 10 03 6B
16:16:50.943: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:16:52.935: : 9 transactions identical to previous.
16:16:52.680: SEND: 02 08 10 7F 1C 10 03 6B
16:16:52.935: RECV: NO REPLY
16:16:52.935: Timeout Exception : Did not receive reply in time
16:16:52.960: SEND: 02 08 10 7F 1C 10 03 6B
16:16:53.011: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:16:56.087: : 15 transactions identical to previous.
16:16:55.831: SEND: 02 08 10 7F 1C 10 03 6B
16:16:56.087: RECV: NO REPLY
16:16:56.087: Timeout Exception : Did not receive reply in time
16:16:56.112: SEND: 02 08 10 7F 1C 10 03 6B
16:16:56.368: RECV: NO REPLY
16:16:56.368: Timeout Exception : Did not receive reply in time
16:16:56.394: SEND: 02 08 10 7F 1C 10 03 6B
16:16:56.446: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:16:58.436: : 9 transactions identical to previous.
16:16:58.181: SEND: 02 08 10 7F 1C 10 03 6B
16:16:58.436: RECV: NO REPLY
16:16:58.436: Timeout Exception : Did not receive reply in time
16:16:58.462: SEND: 02 08 10 7F 1C 10 03 6B
16:16:58.717: RECV: NO REPLY
16:16:58.717: Timeout Exception : Did not receive reply in time
16:16:58.743: SEND: 02 08 10 7F 1C 10 03 6B
16:16:58.793: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:17:00.792: : 9 transactions identical to previous.
16:17:00.536: SEND: 02 08 10 7F 1C 10 03 6B
16:17:00.792: RECV: NO REPLY
16:17:00.792: Timeout Exception : Did not receive reply in time
16:17:00.817: SEND: 02 08 10 7F 1C 10 03 6B
16:17:00.868: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:17:01.429: : 1 transactions identical to previous.
16:17:01.174: SEND: 02 08 10 7F 1C 10 03 6B
16:17:01.429: RECV: NO REPLY
16:17:01.429: Timeout Exception : Did not receive reply in time
16:17:01.455: SEND: 02 08 10 7F 1C 10 03 6B
16:17:01.505: RECV: 02 0B 20 01 10 00 00 54 2A 03 44
16:17:04.207: : 13 transactions identical to previous.
16:17:03.952: SEND: 02 08 10 7F 1C 10 03 6B
16:17:04.207: RECV: NO REPLY
16:17:04.207: Timeout Exception : Did not receive reply in time
16:17:04.233: SEND: 02 08 10 7F 1C 10 03 6B
16:17:04.285: RECV: 02 0B 20 01 10 00 00 54 2A 03 44