Key figures at a glance. Always confirm against the current standard and manufacturer data.
Cabling
| Pin | T568A | T568B |
|---|---|---|
| 1 | White-green | White-orange |
| 2 | Green | Orange |
| 3 | White-orange | White-green |
| 4 | Blue | Blue |
| 5 | White-blue | White-blue |
| 6 | Orange | Green |
| 7 | White-brown | White-brown |
| 8 | Brown | Brown |
Use one scheme throughout the project. Untwist no more than 13 mm.
Cabling
| Category | ISO class | Bandwidth | Max for 10GBASE-T |
|---|---|---|---|
| Cat5e | D | 100 MHz | Not supported |
| Cat6 | E | 250 MHz | ~55 m |
| Cat6A | EA | 500 MHz | 100 m |
| Cat8 | I/II | 2000 MHz | 30 m (25/40G) |
Channel ≤ 100 m = permanent link ≤ 90 m + cords ≤ 10 m.
Fibre
1 Blue · 2 Orange · 3 Green · 4 Brown · 5 Slate · 6 White · 7 Red · 8 Black · 9 Yellow · 10 Violet · 11 Rose · 12 Aqua
| Jacket | Usually means |
|---|---|
| Aqua | OM3 / OM4 multimode |
| Lime green | OM5 multimode |
| Yellow | OS2 singlemode |
Connector bodies: blue = SM UPC, green = SM APC, beige/aqua = MM.
Fibre
| Item | Max loss |
|---|---|
| MM fibre @ 850 nm | 3.0–3.5 dB/km |
| SM fibre inside plant | 1.0 dB/km |
| SM fibre outside plant | 0.5 dB/km |
| Mated connector pair | 0.75 dB |
| Splice | 0.3 dB |
Test MM at 850/1300 nm, SM at 1310/1550 nm.
Networking
| Standard | PSE | PD | Pairs |
|---|---|---|---|
| 802.3af (Type 1) | 15.4 W | 12.95 W | 2 |
| 802.3at (Type 2) | 30 W | 25.5 W | 2 |
| 802.3bt Type 3 | 60 W | 51 W | 4 |
| 802.3bt Type 4 | 90 W | 71.3 W | 4 |
Budget = Σ device maximum × 1.2.
CCTV
| Level | px/m |
|---|---|
| Detect | 25 |
| Observe | 62 |
| Recognise | 125 |
| Identify | 250 |
px/m = horizontal pixels ÷ scene width (m)
Storage: 1 Mbps ≈ 10.8 GB/day
CCTV
| Item | Value / rule |
|---|---|
| Formats | CVBS, HD-TVI, HD-CVI, AHD (match camera, recorder, baluns) |
| Coax | 75 Ω: RG59 typical, RG6 for long runs (not RG58) |
| Connectors | Compression BNC, weatherproofed outdoors |
| Baluns | One UTP pair per camera; active for long runs |
| Power | 12 V DC (some 24 V AC); ≥ ~11 V at camera with IR on |
| Voltage drop | I × (2 × length × Ω/m); 18 AWG ≈ 0.021 Ω/m |
| Hum bars | Ground loop: isolator, isolate camera, or baluns/fibre |
| Ghosting | Impedance mismatch: cable or connectors |
| UTC | OSD menu and PTZ control over the coax |
UNV
| Tool | Who | Use |
|---|---|---|
| EZTools 2.0 | Installer (PC) | Find devices on the LAN, batch config, capacity calc, batch upgrade |
| EZTools 3.0 | Installer (PC) | Manage devices from a management list, batch tasks |
| UniTools Pro | Installer (mobile) | On-site setup (Connect Box, no power/internet), remote maintenance |
| EZStation | Operator (PC) | Video management: live view, playback, multiple devices |
| UNV Guard | Integrated sites | Platform for video, access control, attendance |
| EZCloud | Remote access | Outbound cloud connection, no port forwarding |
| UniEase | End user (mobile) | Live view, playback, alarms, arm/disarm, sharing |
| EZPlayer | Anyone | Play exported recordings |
| XVR | Analog sites | TVI/AHD/CVI/CVBS + IP; PoC (-P models); SIP/UMD by XVR (limited channels) |
Analog: Dolphin (affordable) and Whale (premium) UAC- cameras; Smart Dual Light and coax audio need TVI.
Key tech: Ultra 265 / U-Code 2.0, LightHunter, ColorHunter (Smart Dual Light), Tri-Guard (SIP + colour + deterrence), AcuSearch, UBS.
Ruijie
| Task | Command |
|---|---|
| Config mode | configure terminal |
| Save | write |
| Version / serial | show version |
| Port status | show interfaces status |
| VLANs | show vlan |
| MAC table | show mac-address-table |
| STP | show spanning-tree summary |
| Routes | show ip route |
| OSPF neighbours | show ip ospf neighbor |
| LLDP neighbours | show lldp neighbors |
| PoE usage | show power inline |
PBX
| Code | Meaning |
|---|---|
| 100 / 180 / 183 | Trying / Ringing / Progress |
| 200 | OK |
| 401 / 407 | Authentication required |
| 403 | Forbidden |
| 404 | Not found |
| 408 | Request timeout |
| 486 | Busy here |
| 488 | Not acceptable (codec/media) |
| 503 | Service unavailable |
Ports: SIP 5060 (UDP/TCP), 5061 (TLS); RTP typically 10000–20000.
PBX
| Metric | Target |
|---|---|
| Latency (one way) | < 150 ms |
| Jitter | < 30 ms |
| Packet loss | < 1% |
| MOS | ≥ 4.0 |
| Codec | Bandwidth per call (each way, Ethernet) |
|---|---|
| G.711 | ~87 kbps |
| G.729 | ~31 kbps |
| G.722 | ~87 kbps (HD) |
DSCP: media EF (46), signalling CS3 (24).
Fire alarm
| Rule | BS 5839-1 | NFPA 72 |
|---|---|---|
| Smoke detector | 7.5 m radius | ~9.1 m spacing (smooth ceiling) |
| Heat detector | 5.3 m radius | Listed spacing |
| Call point height | 1.4 m | 1.07–1.22 m |
| Max travel to call point | 45 m | 61 m |
| Sound level | 65 dB(A), 75 at bedhead | +15 dB ambient, 75 dBA at pillow |
| Battery | 24 h + 30 min | 24 h + 5 min (15 min voice) |
| Zone | ≤ 2,000 m², 60 m search | Per AHJ / code |
General
IP rating (IEC 60529): IPXY with X = solids (0–6) and Y = water (0–9)
| Rating | Meaning |
|---|---|
| IP54 | Dust protected, splashing water |
| IP65 | Dust-tight, water jets |
| IP66 | Dust-tight, powerful water jets |
| IP67 | Dust-tight, temporary immersion |
IK rating (IEC 62262): IK08 = 5 J, IK10 = 20 J (vandal resistant)
Wi-Fi
| Metric | Target |
|---|---|
| Primary RSSI | −65 dBm (−67 for voice) |
| SNR | ≥ 25 dB |
| Secondary AP | ≥ −70 dBm |
| 2.4 GHz channels | 1, 6, 11 |
| 5 GHz channel width (dense) | 20–40 MHz |
Roaming: 802.11k (neighbours), 802.11v (steering), 802.11r (fast transition).