ZGXH-2R24-5a Signal SPD User Manual
1. General
Standard compliance: GB/T 18802.21-2004 and Q/75875187-9.3-2011.
This product is connected to the front end of the protected equipment and is used to protect the high-speed Ethernet interface circuit. Both the input and output ends are shielded RJ45 sockets.
It uses category 5 shielded twisted pair cables with RJ45 plugs to connect with the protected equipment.
The protector features a fast response speed, a high transmission rate and a low protection level.
2. Operating Environment
Temperature range: –40°C to 70°C; relative humidity: ≤90%; air pressure: 86kPa to 106kPa.
3. Working Principles
Connected in series in front of a protected equipment, this SPD diverts lightning current to ground through its lightning circuit when the transmission line suffers from lightning induction. In addition, the SPD clamps lightning overvoltage to a level allowed by the equipment, thereby ensuring security of the equipment.
4. Technical Parameters
Connection
Mode |
RJ45 |
Impulse withstand capability1.2/50 μs; 8/20 μs
(kV, kA) |
L-L |
L-PE |
| 0.6, 0.3 |
4, 2 |
| Protected pin |
1, 2; 3, 6 |
Impulse limiting voltage (1)
1.2/50 μs; 8/20 μsV
|
L-L |
L-PE |
| ≤ 70 |
≤ 700 |
| Operating voltage |
5V |
Impulse limiting voltage (2)
1 kV/μsV
|
L-L |
L-PE |
| ≤ 35 |
≤ 300 |
| Transmission rate |
100 Mbit/s |
Dimensions
(H x W x D)mm
|
482 mm ×141.5 mm ×44 mm
|
Limiting voltage
10/700 μs; V |
L-L |
L-PE |
Weight |
2400g
|
| ≤ 30 |
≤ 50 |
5. Exterior
The protector adopts the form of a standard 19-inch chassis and can be directly installed on the rack.
Both the input and output are RJ45 sockets.
On the front panel of the protector, the ports marked "1 - 24" on the upper row are the input ports, and those marked "1 - 24" on the lower row are the output ports. The output is connected to the protected equipment through Category 5 twisted pair cables with RJ45 plugs.
