IC Realtime HDVR-MX0402-1U5MP-AI2-WEB Product Manual - Page 251

RJ45 (T568B) 4 5 3 RJ45 (Network cable) Blue White and blue White and green RS-232 2 3 5 Signal Description RXD TXD GND Straight Connection Please refer to the following figure for straight cable connection information. Please refer to the following table for straight connection information. RJ45 (T568B) RJ45 (Network cable) RS-232 Signal Description 4 Blue 3 RXD 5 White and blue 2 TXD 3 White and green 5 GND Appendix 9 Cybersecurity Recommendations Cybersecurity is more than just a buzzword: it's something that pertains to every device that is connected to the internet. IP video surveillance is not immune to cyber risks, but taking basic steps toward protecting and strengthening networks and networked appliances will make them less susceptible to attacks. Below are some tips and recommendations on how to create a more secured security system. Mandatory actions to be taken for basic device network security: 1. Use Strong Passwords Please refer to the following suggestions to set passwords: ● The length should not be less than 8 characters; ● Include at least two types of characters; character types include upper and lower case letters, numbers and symbols; ● Do not contain the account name or the account name in reverse order; ● Do not use continuous characters, such as 123, abc, etc.; ● Do not use overlapped characters, such as 111, aaa, etc.; 2. Update Firmware and Client Software in Time