> For the complete documentation index, see [llms.txt](https://supportx.gitbook.io/buku-mantra-and-sihir/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://supportx.gitbook.io/buku-mantra-and-sihir/ake/mpgs/sdc-22nrs-data-server-simple-instructions.md).
# SDC-22NRS Data Server Simple Instructions
## Log in
Click “Not Listed?” in the frame above to enter the account and password input interface.
Account: root
Password: ake\@centos73
Please enter the root account only!
After entering the system, open the Firefox browser.
Enter the URL 127.0.0.1:8122, it may not be opened because the program has not yet started. The slowest is usually 10 minutes later, and more ctrl + f5 force refresh
Select the language and use the follow account to log in to the DMS system:
Account: root
Password: root123
Enter the URL 127.0.0.1:8180, it may not be opened because the program has not yet started. The slowest is usually 10 minutes later, and more ctrl + f5 force refresh.
Select the language and use the follow account to log in to the MPGS system:
Account: admin
Password: 0.01mpgs
## RS485 Wiring Connection
Data server SDC-22NRS support RS485 communication. There are 8 COM ports, of which **COM5 - COM8** are 485, the pins are as follows:
If you connect RS485 devices, PORT is determined according to the connected COM port.
| COM5 | 48505 |
| ---- | ----- |
| COM6 | 48506 |
| COM7 | 48507 |
| COM8 | 48508 |
## RS485 Communication Line Production instructions
### Requirement
The specification is RVV2\*0.75/brown-blue twin-core wire, 490±10mm, **brown is A+**, **blue is B-**, with label description. Quantity: 4.
### Line Order for RS485
The standard DP connector line sequence is as follows:
Two-core wire to female head, blue to ①, brown to ②.
