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Comnet

SKU: SFP-22B

Comnet SFP-22B Single Mode SFP Transceiver Module

10G single-mode SFP for long-distance fiber runs, hot-swappable
- 10G throughput over single-mode fiber supports high-bandwidth surveillance backbones.
- Hot-swappable SFP form factor allows field replacement without switch reboot or downtime.
- Lifetime warranty and plug-and-play unmanaged operation reduce long-term support overhead.
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Comnet

SKU: SFP-24A

Comnet SFP-24A SFP Transceiver Module

10G single-mode SFP transceiver for managed fiber infrastructure
- 10G single-mode fiber link supports high-bandwidth video and data backbones.
- Industrial temperature rating ensures stable operation in harsh field enclosures.
- Hot-swap SFP form factor allows live replacement without powering down the host switch.
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Comnet

SKU: SFP-24B

ComNet SFP-24B 10G SFP Transceiver Module

10G single-mode SFP transceiver for ComNet CW series switches
- 10G SFP transceiver, single-mode fiber optimized
- Industry-standard SFP form factor
- Extended-distance transmission via SMF
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Comnet

SKU: SFP-26A

Comnet SFP-26A SFP Transceiver Module – 10G Single Mode

10G single-mode SFP transceiver for long-distance fiber links
- 10G SFP industrial transceiver for managed switches
- Single-mode fiber for campus and inter-building links
- DIN-rail mount with industrial temperature spec
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Comnet

SKU: SFP-26B

ComNet SFP-26B SFP Transceiver Module

10G single-mode SFP for long-distance fiber runs with galvanic isolation
- Delivers 10G throughput over single-mode fiber for long-distance campus runs.
- Galvanic isolation eliminates ground loops and protects equipment from surge damage.
- Plug-and-play, hot-swappable design allows field replacement without service interruption.
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Comnet

SKU: SFP-3

Comnet SFP-3 Gigabit Ethernet Media Converter with PoE

Gigabit copper-to-fiber converter with 30W PoE for industrial edge
- Delivers 30W PoE+ across 4 x GbE copper ports to power cameras and APs.
- Two DIP-selectable SFP slots support 100 or 1000 Mbps single-mode fiber links.
- TAA/NDAA-compliant, Made in USA construction with a lifetime warranty.
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Comnet

SKU: SFP-36A

Comnet SFP-36A SFP Transceiver Module

10G single-mode SFP transceiver for industrial fiber backbone networks
- Delivers 10G throughput over single-mode fiber for high-bandwidth backbone links.
- Industrial temperature rating ensures reliable signal integrity in non-climate-controlled spaces.
- Hot-swappable SFP form factor allows field replacement without powering down host switches.
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Comnet

SKU: SFP-36B

ComNet SFP-36B SFP Transceiver Module 10G Single Mode

10G single-mode SFP transceiver for extended-distance fiber links
- Delivers full 10G throughput over single-mode fiber for high-density video deployments.
- Plug-and-play, unmanaged operation eliminates configuration overhead during field installation.
- Lifetime warranty reduces long-term total cost of ownership for permanent fiber infrastructure.
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Comnet

SKU: SFP-46

Comnet SFP-46 10G Single Mode SFP Transceiver Module

10G single-mode SFP for long-distance fiber links, plug-and-play
- Delivers 10G throughput over single-mode fiber for high-density video aggregation uplinks.
- Plug-and-play, unmanaged operation eliminates configuration overhead on point-to-point links.
- Standard SFP form factor fits any compatible switch, media converter, or network appliance.
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Comnet

SKU: SFP-48A

Comnet SFP-48A Single Mode SFP Transceiver Module

10G single-mode SFP transceiver with 550m range and LC connectors
- Delivers 10G throughput over single-mode fiber for high-bandwidth backbone links.
- Reaches up to 550m via LC duplex interface, covering distributed campus deployments.
- Hot-swappable design lets you replace modules without taking the switch offline.
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Comnet

SKU: SFP-48B

ComNet SFP-48B Single Mode SFP Transceiver Module

10G single-mode SFP for long-range fiber runs up to 550 meters
- Transmits 10G over single-mode fiber up to 550 m, reducing repeater requirements.
- Hot-swappable SFP form factor enables live infrastructure upgrades without downtime.
- Lifetime warranty and plug-and-play operation minimize long-term support overhead.
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Comnet

SKU: SFP-5

Comnet SFP-5 5-Port Managed SFP Transceiver Module

5-port 10G managed SFP module for industrial single-mode fiber
- Five 10G SFP slots deliver full throughput on every port for high-bandwidth fiber runs.
- Managed switching enables VLAN segmentation and traffic control across all five ports.
- DIN rail mount and industrial temp rating suit control room and field enclosure installs.
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Comnet

SKU: SFP-6

Comnet SFP-6 Industrial Ethernet Media Converter

Gigabit copper-to-fiber converter with 60W PoE++ for substations
- Delivers 60W PoE++ over gigabit copper-to-single-mode fiber for remote powered devices.
- Meets IEC 61850-3, IEEE 1613 Class 2, and NEMA TS-1/TS-2 for substation and harsh EMI sites.
- TAA/NDAA compliant with lifetime warranty; DIN rail mount suits cabinet deployments.
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Comnet

SKU: SFP-7

Comnet SFP-7 10G Single Mode SFP Transceiver Module

10G single-mode SFP transceiver for industrial fiber networks
- Delivers 10G throughput over single-mode fiber for high-bandwidth network links.
- Industrial temperature rating ensures stable operation in harsh or outdoor environments.
- Hot-swappable SFP form factor with DIN rail mount simplifies field install and replacement.
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Comnet

SKU: SFP-8

Comnet SFP-8 Industrial SFP Transceiver Module

Single-mode SFP transceiver for industrial gigabit fiber runs
- Single-mode fiber support delivers gigabit throughput over extended transmission distances.
- TAA and NDAA compliant construction meets government and critical infrastructure procurement rules.
- Hot-swappable SFP form factor allows live replacement without powering down the host switch.
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Comnet

SKU: SFP-9

Comnet SFP-9 10G Single Mode SFP Transceiver Module

10G single mode SFP+ for enterprise fiber uplinks and long-distance links
- Delivers 10G throughput over single mode fiber for long-distance backbone links.
- Hot-swappable and unmanaged — installs instantly with zero configuration required.
- SFP MSA-compliant form factor ensures broad compatibility across vendor switch platforms.
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Infrastructure

Infrastructure components provide the network and power backbone that supports reliable surveillance and access control systems. Select switches, PoE devices, power supplies, and transmission hardware designed for commercial environments.

Plan Your Deployment

Total PoE power budget and port density requirements
Switch throughput and uplink capacity planning
Redundancy and failover design considerations
Distance limitations and fiber conversion needs
Power conditioning and voltage compatibility

PoE Planning Guide Get Sizing Help

What to Look For When Buying

The six decisions that matter most before you spec.

PoE Power Budget Math

A 24-port PoE+ switch with 370W total budget can't actually run 24 outdoor cameras at peak 25W each. Simultaneous peak — not nameplate — is the limit. Always verify per-port PoE allocation and total budget against actual camera load. See PoE budget planning and why your PoE switch fails after 18 cameras.

328-Foot Ethernet Limit

Cat5e, Cat6, and Cat6A all top out at 100 meters (328ft) per TIA-568. Past that, you need a media converter to fiber, a PoE extender, or an intermediate switch. Common gotcha: in-wall patch + faceplate + drop + jumper all count against 328ft. Long runs to perimeter cameras frequently exceed the limit — plan for fiber or coax-PoE extension.

Managed vs Unmanaged Switches

Unmanaged switches work for small deployments but provide no VLAN segmentation, no QoS for video traffic, no monitoring, and no remote troubleshooting. Managed switches (Layer 2 or Layer 3) let you isolate cameras on a dedicated VLAN, prioritize video over office traffic, and diagnose link failures from a central SNMP platform. Spec managed for any deployment over 8 cameras.

UPS Sizing & Runtime

NVR + switches + cameras + access control have very different power profiles than office gear. Size UPS for actual wattage of all connected loads + 20% headroom, and calculate runtime with battery-life curves (runtime is non-linear — doubling load often cuts runtime 60%+). Surveillance UPS should provide 15-30 min to accommodate generator transfer or graceful shutdown.

Copper vs Fiber Uplinks

In-rack uplinks on 10G copper (Cat6A) work fine for short runs. Between-building and multi-floor uplinks should be fiber — single-mode for >300m, multimode for under. Fiber is also electrically isolated, which matters in lightning-prone environments. Axis, Hanwha, and Ubiquiti switches include SFP/SFP+ uplinks across most models.

Cooling & Airflow in Racks

Surveillance gear runs 24/7 — a closed rack at 90°F interior temperature will fail drives and switches faster than spec. Specify perforated doors, rack-mount fans, and leave 1U of airflow gap above/below heat-generating equipment. NVRs with internal fans need front-to-back airflow; network switches vary by vendor. Check thermal spec before sealing a wall-mount enclosure.

Technology Stack

The specs and acronyms that actually affect outdoor performance.

802.3af / at / bt PoE Standards

802.3af = 15.4W/port (entry cameras), 802.3at PoE+ = 25.5W/port (most outdoor cameras), 802.3bt PoE++ Type 3 = 60W, Type 4 = 90W (PTZ, heated, multi-sensor). Specify switch support for the highest standard your cameras need — future-proofing with PoE++ switches costs marginally more.

TIA-568 Cabling Standards

Cat5e rated to 1 Gbps at 100m. Cat6 rated to 10 Gbps at 55m, 1 Gbps at 100m. Cat6A rated to 10 Gbps at 100m with proper grounding. Use Cat6A for new surveillance cabling runs — marginal cost premium over Cat6, meaningful margin for long runs + high PoE.

SFP / SFP+ / QSFP+ Modules

Small Form-factor Pluggable optics for fiber uplinks. SFP = 1 Gbps, SFP+ = 10 Gbps, QSFP+ = 40 Gbps. Match module to switch vendor compatibility (some vendors lock to their own brand of optics). Multimode fiber with OM3/OM4 for ≤300m, single-mode for longer or future-proof runs.

VLAN Segmentation

Dedicated VLAN for surveillance isolates camera traffic from office network — improves security (camera-to-camera lateral movement blocked), performance (no contention with office traffic), and troubleshooting. Configure access-control and intercom VLANs separately. Managed switches required; unmanaged switches cannot segment.

Long-Reach PoE Extension

Ethernet-over-Coax (EoC) extends Ethernet + PoE to 1,500+ feet over existing RG59 coax — ideal for analog-to-IP retrofits. Ethernet-over-UTP extenders push runs to 4,000ft over CAT cable. NVT Phybridge CHARIoT, Altronix eBridge, and Veracity Highwire are the common product families. Rate-limited to 100 Mbps typically.

UPS Topology: Line-Interactive vs Double-Conversion

Line-interactive UPS switch to battery on power failure — sufficient for office gear. Double-conversion (online) UPS convert AC→DC→AC continuously, providing perfectly conditioned power — required for sensitive SCADA/security gear in dirty-power environments. Specify double-conversion for NVRs at critical sites.

Typical Deployment Scenarios

8-Camera Single-Site Retrofit

Existing network + 8 outdoor IP cameras. Add a 16-port managed PoE+ switch (Ubiquiti UniFi, Axis T85) on a dedicated VLAN. 1U rack UPS for the NVR + switch. 120-160 watts total PoE budget comfortably runs 8 outdoor cameras with heater + IR.

48-Camera Campus Upgrade

Four buildings, 48 cameras total, existing fiber backbone. Per-building 24-port PoE++ switch with SFP+ fiber uplink to core. Dedicated surveillance VLAN, QoS for video traffic, SNMP monitoring. 2-post relay rack in each IDF closet with dedicated surveillance UPS.

Perimeter Fence Line (1,200ft)

6 bullet cameras + 2 PTZs along perimeter fence, main NVR in building. Fiber media converter + outdoor-rated fiber to a PoE++ switch in a weatherproof enclosure at the fence line. Alternative: NVT Phybridge CHARIoT over existing coax for retrofit applications.

Multi-Floor Office Tower

Stacked IDFs on every floor, cameras + access control + intercom on dedicated VLANs. Cisco Catalyst or Ubiquiti UniFi Pro managed switches per floor with 10G fiber uplink to building core. Per-IDF 3U UPS. Integration with VMS and access control head-end at main BDF.

Frequently Asked Questions

How do I calculate PoE budget for a camera deployment?

Sum the peak wattage of every camera (not nameplate — check spec sheet for "PoE class" or "max consumption"). Add 15-20% headroom for inrush during cold-start. The result is your required simultaneous-peak PoE budget. A 24-port PoE+ switch advertised at 370W can only run about 18 outdoor cameras with heaters + IR — see PoE budget planning.

What's the maximum Ethernet cable run for an IP camera?

100 meters (328 feet) per TIA-568 — total distance from switch port to camera port. That includes in-rack patch cords, in-wall cabling, faceplate jack, and camera jumper. For longer runs, use fiber with a media converter or a long-reach PoE extender. Going past 328ft on copper causes intermittent packet loss that looks like camera problems.

Do I need managed or unmanaged PoE switches?

For more than 8 cameras or any mixed-use network (cameras sharing infrastructure with office traffic), specify managed. VLAN segmentation isolates camera traffic for security and performance; QoS ensures video gets bandwidth priority; SNMP monitoring surfaces failures before users call. Unmanaged switches are acceptable only for small standalone deployments.

What UPS runtime should I plan for an NVR + switch?

15-30 minutes of runtime at actual load is typical — enough to ride through brief outages or allow graceful shutdown before battery exhaustion. For sites with generator transfer, 5-10 minutes is sufficient. Size UPS wattage for actual connected load + 20%, and use the vendor's runtime-at-load curve (runtime is non-linear). Double-conversion UPS for sensitive or dirty-power sites.

How far can I extend PoE past 328 feet?

Ethernet-over-Coax extenders (NVT Phybridge CHARIoT, Altronix eBridge) push Ethernet + PoE to 1,500+ feet over existing RG59/RG6 coax — ideal for analog-to-IP retrofits. UTP-based extenders reach 2,000-4,000 feet on Cat cable at reduced bandwidth (typically 100 Mbps). For new runs over 328ft, fiber + PoE switch at the camera end is usually cleaner architecture.

Should I put cameras on a separate VLAN?

Yes — always. A dedicated camera VLAN isolates camera traffic from office network for security (blocks camera-to-camera lateral movement if one is compromised), performance (cameras don't contend with office bandwidth), and troubleshooting (camera traffic is cleanly separated for packet capture). Requires managed switches; takes 10 minutes to configure on Ubiquiti UniFi, Cisco Catalyst, or any enterprise switch.

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