Genuine product photo · 8×GbE PoE+ + 2×SFP fiber
ZJIES3000D-P-8PGT2GB-DCH
Industrial · Managed PoE+
Managed Industrial PoE DIN-Rail Switch · 8×GbE PoE+ 30W + 2×SFP Fiber · DC48V
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◆8×PoE+ 30W/Port
◆2×SFP Fiber
◆ERPS Ring <50ms
◆-40 ~ 75°C
◆IP40 Fanless
◆5-Year Warranty
Overview
The ZJIES3000D-P-8PGT2GB-DCH is an industrial managed Gigabit PoE Ethernet switch with 8 × 10/100/1000Base-T ports (IEEE802.3af/at PoE+, up to 30 W per port) plus 2 × 1000Base-X SFP fiber slots for uplink. It combines power and data over a single cable for cameras, IP phones and wireless APs, with full management (QoS, VLAN, IGMP Snooping/GMRP, Port Trunking, SNMP v1/v2/v3) and multiple ring-redundancy protocols (RSTP/STP/MSTP/ERPS/ZJRing, self-healing under 50 ms). Its wide-temperature (-40 ~ +75°C), EMC-hardened DIN-rail design suits demanding industrial sites building fully-gigabit, fiber-uplinked, self-healing ring networks.
Is This the Right Fit?
Six real deployment scenarios matched to this model's actual datasheet specifications.
Warehouse CCTV PoE deploymentAll 8 ports support IEEE802.3af/at PoE+ at up to 30 W each — enough headroom for PTZ or heater-equipped warehouse cameras without a separate injector.
DIN-rail control-cabinet installCompact 70×175×150 mm DIN-rail housing with DC48V (36–56V) redundant dual-input power terminal fits directly into standard control cabinets.
Extreme-temperature outdoor cabinetWide-temperature model operates from -40 to +75°C with a fanless IP40 metal enclosure, suited to unheated outdoor cabinets.
Factory production-line ring networkManaged switching with RSTP/STP/MSTP/ERPS/ZJRing redundancy protocols delivers self-healing ring recovery under 50 ms for continuous production-line uptime.
2×SFP fiber long-haul uplink2 × 1000Base-X SFP slots support multimode dual-fiber up to 2 km or single-mode dual-fiber up to 10 km (single- or dual-fiber modules optional), extending the network far beyond copper's 100 m limit.
Copper-PoE + fiber hybrid aggregationUse the 8 PoE copper ports to power downstream cameras/APs while the 2 SFP fiber ports uplink to a core switch or NVR room — a single box handling both edge power delivery and backbone aggregation.
Not a good fit if:
- Layer-2 managed switching only — no static routing or inter-VLAN routing (not a Layer-3 switch).
- SFP fiber modules are not included — multimode/single-mode modules must be ordered separately to match your link distance.
- IP40 enclosure — not rated for direct outdoor exposure; requires a cabinet or protective housing outdoors.
Key Features
- 8 × 10/100/1000Base-T copper with IEEE802.3af/at PoE+, up to 30 W per port
- 2 × 1000Base-X SFP fiber slots for long-distance uplink
- DC 48V (36–56V) redundant dual power input
- Ring redundancy: RSTP/STP/MSTP/ERPS/ZJRing, self-healing under 50 ms
- Full management: QoS, VLAN, IGMP Snooping/GMRP, SNMP v1/v2/v3
- DIN-rail or wall mounting
- Wide operating temperature -40 ~ +75°C · IP40 fanless metal enclosure
Specifications
IEEE Standards
| IEEE802.3 | 10BaseT Ethernet |
| IEEE802.3u | 100Base-T(X) & 100Base-FX Fast Ethernet |
| IEEE802.3ab | 1000Base-T(X) Ethernet |
| IEEE802.3z | 1000Base-X Ethernet |
| IEEE802.3x | Flow Control |
| IEEE802.3d | Spanning Tree Protocol |
| IEEE802.1w | Rapid Spanning Tree Protocol |
| IEEE802.1s | Multiple Spanning Tree Protocol |
| ITU-T G.8032 | Ethernet Ring Protection Switching (ERPS) |
| IEEE802.1p | Class of Service |
| IEEE802.1Q | VLAN Tag |
| IEEE802.3ad | LACP (Link Aggregation) |
| IEEE802.1x | User Authentication |
| IEEE802.1ab | LLDP |
| IEEE802.3af/at | Power-over-Ethernet (PoE/PoE+) |
Switching
| MAC Address Table | 8K |
| Packet Buffer | 4 Mbit |
| Forwarding | Store-and-forward |
Interfaces
| RJ45 Ports | 8 × 10/100/1000Base-T |
| SFP Fiber | 2 × 1000Base-X SFP slots |
| PoE Pinout | V+, V+, V-, V- for Pin1, 2, 3, 6 (Endspan, MDI Alternative A) |
| LED Indicators | Power, Link, Fiber, PoE, Status |
| Console | RS-232, RJ45, 9600bps, 8/N/1 |
Power
| Input Current | Max 5.1A @ 48VDC (8 PoE ports, up to 30 W each) |
| 48V Input | 4-pin terminal, dual redundant input; 36–56 VDC |
| Power Consumption | Max 15 W |
| Power Protection | Reverse-polarity & overload |
| Alarm | 2-pin terminal |
Environment
| Standard Temp | -10 ~ +60°C |
| Wide Temp | -40 ~ +75°C |
| Storage Temp | -40 ~ +85°C |
| Humidity | 5–95% non-condensing |
Certification
| EMC | CE, FCC |
| EMI | FCC Part 15, EN 55032 (CISPR 32) Class A |
| EMS | EN61000-4-2/3/4/5/6/8 Level 3 |
| Shock | IEC60068-2-27 |
| Free Fall | IEC60068-2-32 |
| Vibration | IEC60068-2-6 |
| Green | RoHS, WEEE |
Software Features
| MIB | RFC1215 Trap, RFC1213 MIB-II, RFC1157 SNMP-MIB, RFC1493 Bridge-MIB, RFC2674 VLAN-MIB, RFC1643, RFC1757, RSTP-MIB, Private MIB, LLDP-MIB |
| Management | SNMP v1/v2/v3; Web, Telnet, serial CLI; DHCP client; login password protection |
| Security | ACL L2–L4 filtering; port-based MAC filtering; MAC binding; port-based 802.1X; RADIUS; DDoS self-defense |
| VLAN | Port & 802.1Q VLAN; up to 4094 VLANs (VID 1–4094); management VLAN supported |
| Link Aggregation | Static LACP; 2 groups × up to 4 ports each |
| Ring Redundancy | STP(IEEE802.1d)/RSTP(IEEE802.1w)/MSTP(IEEE802.1s); ERPS (G.8032); ZJRing private ring, self-healing < 50 ms |
| QoS | 4 priority classes (absolute / relative scheduling), mapped by 802.1p/DSCP into 8 hardware queues per port |
| Port Mirroring | Port-based one-way and two-way traffic mirroring |
| IGMP Multicast | IGMP Snooping v1/v2; up to 256 multicast groups |
| Rate Limiting | Ingress/egress rate limiting, minimum granularity 64 Kbps |
| Storm Suppression | Broadcast, multicast & unknown-unicast suppression |
| Maintenance | Syslog, RMON (Remote Network Monitoring), Ping, LLDP |
| SNTP | SNTP protocol supported |
| Firmware | Web page and serial-port TFTP upgrade supported |
| Config File | Import / export supported |
Physical
| Housing | IP40 metal enclosure |
| Mounting | DIN-rail (default), wall-mount optional |
| Dimensions | 70 (W) × 175 (H) × 150 (D) mm |
Reliability
| MTBF | 320,000 hours |
| Warranty | 5 years |
Models & Ordering
| Model | Product Description | Price |
|---|---|---|
| ZJIES3000D-P-8PGT2GB-DCH | Industrial managed DIN-rail Ethernet switch — 8 × 10/100/1000Base-T with PoE af/at on copper ports, 2 × 1000Base-X SFP fiber slots, DC48V (36–56V) power with redundant input. Multimode dual-fiber 2 km / single-mode dual-fiber 10 km optional; single- or dual-fiber optional. |
Fiber options per datasheet: multimode dual-fiber 2 km / single-mode dual-fiber 10 km; single- or dual-fiber SFP modules optional.
Dimensions
unit: mm
Your Brand. Factory-Direct Supply.Neutral casing, ready for your logo · Protocol-level customization · Small batches welcome.
Custom & OEM →Who uses it, where it goes and how to install it
Written for the ZJIES3000D-P-8PGT2GB-DCH from its own specifications: managed Layer 2, 8 × Gigabit PoE 802.3af/at up to 30 W per port, 2 × 1000Base-X SFP slots, STP/RSTP/MSTP/ERPS/ZJRing, DC 48V (36–56 VDC) redundant input, -40 to +75°C.
Who it is for
- CCTV on poles, roads and perimeters — Each cabinet powers up to 8 cameras over PoE+ and passes the video on through its 2 SFP fiber ports, so cabinets along a road, fence or pipeline form a fiber ring without losing a camera port.
- Substations, telecom sites and 48V DC plants — Two redundant 48V DC inputs (36–56 VDC) take power from the site battery plant, and the fiber uplinks keep the camera network electrically isolated from the control building.
- Factories, mines and production lines — PoE+ powers cameras, Wi-Fi APs and IP phones near the line, VLANs and ACLs keep them apart from PLC traffic, and the fiber ring is immune to the electrical noise of motors and drives.
- System integrators and OEM projects — One box does edge PoE and fiber backbone, with SNMP v1/v2/v3, Syslog and a 2-pin alarm terminal for the control room, and the configuration file can be exported and imported to roll out identical cabinets.
Where and how to install
- DIN rail in a closed cabinet — The housing is 70 × 175 × 150 mm and IP40, so plan about 70 mm of DIN rail (wall mounting optional) inside a closed cabinet. Outdoors, use a sealed pole or wall cabinet with cable glands at the bottom.
- 48V DC supply for PoE+ — Feed both inputs of the 4-pin terminal from separate supplies or breakers, each able to carry the full load alone. The page lists 36–56 VDC input, but 802.3at devices expect about 50–57 V at the port, so for 30 W ports use a supply set near the top of the range (for example 52–54 V) and confirm with us if your site voltage is lower.
- SFP modules and fiber handling — SFP modules are not included. Order 1000Base-X modules to match the fiber: multimode dual-fiber up to 2 km or single-mode dual-fiber up to 10 km, or single-fiber modules used as a matched pair. Terminate the fiber in a splice tray or small patch box in the same cabinet, keep bends gentle and keep dust caps on until the patch cord goes in.
- Camera cable runs and surge — Keep each PoE run under 100 m of solid-copper Cat5e or Cat6 (not CCA cable, which drops more voltage). Cameras on poles or outside walls should have an Ethernet surge protector at the cabinet end, bonded to the same earth bar as the switch.
- Heat inside the cabinet — Order the wide-temperature version (-40 to +75°C) for outdoor cabinets; the standard version is -10 to +60°C. With all ports near 30 W the switch handles a lot of power in a small fanless box, so leave space above and below it and shade the cabinet from direct sun. Humidity is 5–95% non-condensing; add a heater or filtered vent where nights are cold.
PoE budget / how many cameras
The 2 SFP ports carry the ring or uplink, so all 8 PoE ports stay free for devices. The page gives 30 W per port and a maximum input of 5.1 A at 48 VDC (about 245 W), but no separate PoE budget figure; the table shows input current and supply size for three typical loads with all 8 ports used.
| 4 MP IR camera ≈ 6 W | PTZ-lite / AP ≈ 13 W | 30 W per port (max) | |
|---|---|---|---|
| Devices on the 8 PoE ports | 8 | 8 | 8 |
| Total PoE load | 48 W | 104 W | 240 W |
| Input current at 48 V (incl. 15 W switch) | ≈ 1.3 A | ≈ 2.5 A | 5.1 A (page max) |
| Supply per input (× 1.25 margin) | ≥ 1.6 A (≈ 80 W) | ≥ 3.1 A (≈ 150 W) | ≥ 6.4 A (≈ 310 W) |
| Ring / uplink ports | 2 × SFP: MM 2 km / SM 10 km | 2 × SFP: MM 2 km / SM 10 km | 2 × SFP: MM 2 km / SM 10 km |
| Cabinets per ring at 8 Mbps per camera | ≈ 10 (80 cameras) | ≈ 10 (80 cameras) | ≈ 10 (80 cameras) |
- Ordinary 4 MP fixed cameras use only about 48 W in total on 8 ports, so a 48 V supply of about 80 W per input is enough.
- If any port feeds a PTZ, heater housing or 802.3at access point, size each supply for the 5.1 A maximum plus margin (about 310 W).
- Need spur fibers to remote poles as well as the ring? Pick the ZJIES3000D-P-8PGT4GB with 4 SFP slots; for short copper-only runs the ZJIES3000D-P-8PGT-DCH is enough.
30 W per port, 5.1 A at 48 VDC, 15 W switch consumption and 2 km / 10 km fiber reach are from the page. 6 W, 13 W and 8 Mbps per camera are assumptions. Input current = (PoE load + 15 W) ÷ 48 V; supply = current × 1.25. Cabinets per ring: 8 cameras × 8 Mbps = 64 Mbps each; 10 × 64 = 640 Mbps stays under 70% of one 1000 Mbps link when a fiber is cut.
8-Port PoE Switch with SFP FAQ — ZJIES3000D-P-8PGT2GB-DCH
How much PoE power does the ZJIES3000D-P-8PGT2GB-DCH deliver?
Each of the 8 gigabit copper ports delivers IEEE 802.3af/at PoE+ up to 30 W, with maximum input current of 5.1 A at 48 VDC — about 245 W of input capacity. Cameras, IP phones and wireless APs get power and data over one cable, and a 30 W port handles PTZ models.
What are the 2 SFP slots for?
The 2 x 1000Base-X SFP slots take fiber transceivers for uplinks, so the 8 PoE camera ports can backhaul over fiber to the NVR room or join a fiber ring between cabinets. You choose the SFP module to match the distance and fiber type of each link.
How fast does the ring recover if a link fails?
Ring redundancy uses RSTP/STP/MSTP, ERPS to ITU-T G.8032 and ZJRing, with self-healing in under 50 ms. For a CCTV ring that is faster than a typical video frame interval, so recorded footage continues with barely any visible gap after a fiber break.
How do I power the switch in the field?
Connect a 48 V DC supply (36-56 VDC window) to the dual redundant 4-pin terminal — two feeds can back each other up. Budget for the 5.1 A maximum input current; the switch electronics draw at most 15 W. Reverse-polarity and overload protection plus a 2-pin alarm terminal are included.
What management and environmental specs does it carry?
Full management: QoS, 802.1Q VLAN, IGMP Snooping/GMRP, LACP trunking, 802.1X and LLDP over SNMP v1/v2/v3, web, Telnet or RS-232 console at 9600 bps. The wide-temperature version runs -40 to +75 C with EN61000-4 level 3 EMC immunity on a DIN-rail mount.
Which SFP modules should I order for the ZJIES3000D-P-8PGT2GB-DCH, and will 100 Mbps or 10G modules work?
Order 1 Gigabit (1000Base-X) SFP modules: multimode dual-fiber for up to 2 km, single-mode dual-fiber for up to 10 km, or single-fiber modules as a matched pair (the two ends use complementary wavelengths). 10G SFP+ modules will not work. The page lists 100Base-FX among the standards but specifies the slots as 1000Base-X, so if the far end is a 100 Mbps fiber device, confirm with us first. Send us the fiber type, distance and far-end equipment and we supply matching modules.
How many ZJIES3000D-P-8PGT2GB-DCH camera cabinets can I put on one fiber ring?
Plan for a fiber cut, when all video returns to the control room over one 1000 Mbps link. With 8 cameras per cabinet at an assumed 8 Mbps each, every cabinet adds 64 Mbps, so about 10 cabinets (80 cameras, 640 Mbps) keeps that link under about 70% load. With higher bitrates or more cabinets, split the line into two rings, each closing back at the control room.
Can I close the ring with another brand's switch in the control room?
Yes, if that switch runs the same standard ring protocol: ERPS (ITU-T G.8032), RSTP or MSTP, with matching ring settings on every node. ZJRing, the protocol behind the page's under 50 ms self-healing figure, is Zhongxin's private ring and works only between Zhongxin switches. The page gives no recovery time for ERPS or RSTP, so if your specification sets one, ask us before ordering and test by unplugging one fiber before handover.
My cameras and NVR are in different VLANs. Can the ZJIES3000D-P-8PGT2GB-DCH route between them?
No. It is a Layer 2 managed switch with no static or inter-VLAN routing, so traffic between VLANs needs a Layer 3 core switch, router or firewall. The simplest CCTV design is to put the cameras and the NVR's camera-side port in the same VLAN and carry that VLAN tagged over the fiber ring; the NVR's second network port or the core router then connects to the office VLAN.
Will my 802.3af cameras, 802.3at PTZs and older passive-PoE devices all work on the ZJIES3000D-P-8PGT2GB-DCH?
802.3af and 802.3at devices can be mixed on any of the 8 ports, up to 30 W per port; the switch supplies power on pins 1, 2, 3 and 6 (Endspan, MDI Alternative A). Passive PoE devices (fixed 24 V or 48 V without the IEEE detection handshake) are not listed as supported and will normally not be powered by a standard PoE port; use a suitable injector or replace them. Devices that need more than 30 W, such as some high-power PTZs, are beyond this switch.
What power connector does the ZJIES3000D-P-8PGT2GB-DCH have, and do I need to confirm it before ordering?
Yes, please confirm the power connector with us before ordering. For Zhongxin Shutong products the power input type and connector can differ between versions and batches, so tell us your supply (AC or DC and the voltage), how you will wire it in the cabinet and your country's plug standard, and we confirm the exact connector and supply version of the ZJIES3000D-P-8PGT2GB-DCH for your order.
Ordering questions — samples, shipping, payment, lead time and genuine stock — are answered once on our FAQ page.
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