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PoE Switch Network for a UAE Office with IP Cameras & VoIP Phones
Huawei eKit S310-24P4S PoE switches powering 16 IP cameras and 20 VoIP handsets in a Sharjah property management office — zero additional power cabling, CCTV on isolated VLAN.
The Challenge
A property management company in Sharjah was expanding its office security system and phone infrastructure simultaneously. They needed to install 16 IP cameras across the office floor and a reception area, plus 20 IP desk phones to replace an aging PSTN system. The challenge was that budget and timeline did not allow for running separate 230V power cables to each device — the contractor had already completed the office fit-out, and routing new power conduits would require significant wall work. The client needed a way to power all 36 devices from the existing Cat6 cabling infrastructure.
What the Client Needed
- ✓Sufficient PoE budget to power 16 IP cameras (avg 10W each) and 20 VoIP phones (avg 4W each) simultaneously
- ✓Managed switches with VLAN support — CCTV cameras on a completely isolated segment
- ✓QoS configuration to prioritise VoIP traffic and guarantee call quality
- ✓No additional power cabling — all devices powered via existing Cat6 runs
- ✓Centralised management capability for future expansion
The Solution
Netbiz Technology calculated the PoE load: 16 cameras at 10W average = 160W; 20 phones at 4W average = 80W; total = 240W peak. Two Huawei eKit S310-24P4S switches were supplied, each with 370W PoE budget — providing total headroom of 740W against a 240W load, with significant room for future additions. Cameras were distributed across dedicated ports on Switch 1 (tagged VLAN 30), phones across Switch 2 ports (tagged VLAN 20 with QoS DSCP EF marking). Both switches connect uplink to a core distribution switch handling internet routing.
Network Design Overview
Switch 1 (CCTV): S310-24P4S — ports 1–16 assigned to CCTV VLAN 30. Cameras powered at 7–12W per port. NVR connected on an untagged management port. VLAN 30 has no routing to VLAN 10 (data) or VLAN 20 (voice).
Switch 2 (Voice + Data): S310-24P4S — ports 1–20 serving VoIP phones on VLAN 20 with DSCP EF QoS. Remaining ports serve staff PCs on VLAN 10.
PoE budget (Switch 1): 16 cameras at 10W avg = 160W peak against 370W budget. 57% utilisation.
PoE budget (Switch 2): 20 phones at 4W avg = 80W peak against 370W budget. 22% utilisation.
Uplink: Both switches uplink to existing core switch via 1G ports. Inter-VLAN routing handled at core.
Products Supplied
Results
16
IP cameras powered via PoE — no power adapters
20
VoIP phones powered via PoE — no power adapters
0
Additional power cabling runs needed
2
VLANs — CCTV fully isolated from voice and data
Frequently Asked Questions
How many IP cameras and VoIP phones can a PoE switch power?
It depends on the PoE budget of the switch. The Huawei eKit S310-24P4S has a total PoE budget of 370W across 24 ports at up to 30W per port. A typical IP camera uses 7–12W and a VoIP phone uses 3–6W. Two S310-24P4S units comfortably power 16 cameras and 20 phones simultaneously.
Do I need managed PoE switches for IP cameras?
For any professional CCTV deployment, managed PoE switches are strongly recommended. They allow cameras to be placed on an isolated VLAN, completely separated from the data network — a security requirement in most commercial deployments.
What is QoS and why does it matter for VoIP phones?
QoS (Quality of Service) prioritises certain traffic types on a managed switch. VoIP calls require consistently low latency — by applying QoS, VoIP packets are always forwarded ahead of file transfers and bulk data, ensuring clear call quality even during peak network usage.
Need PoE Switches for Cameras or VoIP Phones in UAE?
Netbiz Technology supplies Huawei eKit PoE managed switches for offices, warehouses, hotels, and schools across the UAE. We calculate PoE budget, configure VLANs, and deliver to your site.