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PTU-58R-PRO/PoE

LAN / IP-CCTV patch-panel with surge arrestor, PTU-58R-PRO/PoE
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PTU-58R-PRO/PoE is an 8-channel patch panel designed to terminate LAN cables in 19" RACK cabinets. It has been integrated with a surge arrestor, eliminating surge currents up to 2kA per conductor wire (14kA total), which is important for protection of devices placed outside buildings or subjected to flashover from other installations. The electronic circuits ensures compatibility with Ethernet 100Base-T networks, used with PCs, industrial automation systems and home automation, and in particular with IP-CCTV system. Circuits of the surge arrestor eliminates potentials in relation to the ground and against the increase of voltages inside the transmission pairs - which may be the result of induction of the electromagnetic pulse during the lightning discharge.

Built-in PoE power surge protection circuit protects against power surges due to overvoltage or damage to the power supply, both on transmission pairs as well as on 4.5 and 7.8 pairs and is compatible with every PoE standard with a power of up to 60W.

The patch panel consists of two PTU-54-PRO/PoE modules placed in a 19" RACK housing and can be easily expanded to 16 channels using PTU or PTF series modules. The 5xx series are newly designed modules that have better data transmission and load parameters than the previous series. They ensures more stable operation and less signal crosstalk.

Patch panel PTU-58 is suitable for use with UTP, FTP of 5, 5e, 6th category or higher cabling, but due to the internal connections, a higher transmission speed than 100Mbit will not be obtained. In the 100Base-T Ethernet, the 4.5 and 7.8 lines are used only to supply PoE and for simplifying the protection system they have been grouped. This solution does not change the parameters of network, but when measuring test by LAN Network testers, short-circuits will be reported on these lines - this is a normal effect. Patch panel PTU-58R-PRO/PoE is not suitable for LAN networks, which are subject to certification for 5e, 6th category or higher - in this case, use a patch panel dedicated to this cabling category (necessarily with Keystone modules) and and additional PTF-58R-PRO/PoE surge arrester.

On the unprotected side (input), LSA connectors (Krone) and clamps for shielded cables were used, and on the protected side (exit) RJ-45 socket were used to connect LAN devices. The optional cover protects the electronics against dirt and accidental damage. Special holes in the base for mounting the panel on the wall and the tabs and holes for the cable ties allow for secure fixing of the wires.

When used for CCTV installations together with network recorders, the panel can be mounted on angle brackets at the rear of the rack. The benefits of this solution are: More space in the Rack cabinet, convenient access to all connections, shorter patch cords - network recorders usually have all connectors at the rear.

The optional LK-MOUNT angle brackets are used to attach the panel at a 45-degree angle to the back rail of the rack, which is advantageous when using NVR recorders in CCTV installations.

The best protection efficiency is achieved by using surge arrestors at the two ends of the LAN cable and their proper earthing. Typically, on the LAN switch side, this multi-channel surge arrestor is used and on the LAN-end devices 1-channel surge arrestors are used. In order to balance the strength for high currents of the entire LAN line, on the other side of the cable, use a surge arrestor the PRO or EXT series.

 

Schemat zabezpieczonej sieci LAN

Scheme of a surge protected LAN network

 

Specification:

PARAMETER NAME VALUE
Data line
Number of LAN channels 8
Possibility to exted
Yes, up to 16 channels
Supported Ethernet standards 10Base-T, 100Base-T
Input connector (LINE) LSA (Krone) connector + shield clamp
Output connector (DEVICE) Shielded RJ-45 jack
Compatibility with cabling UTP / FTP categories 5, 5e i 6
Rated Voltage DC (line-ground) UN 90V DC
Maximum Voltage (line-ground) UC 110V DC
Protection Level 1kV/μs (line-ground) UP 600V
Surge Current (8/20µS, line-ground ) Iimp 2kA per cable conductor (14kA total for one channel)
Rated Voltage DC (line-line) UN 3,3V DC
Maximum Voltage (line-line) UC 3,5V DC
Protection Level 1kV/μs (line-line) UP 20V
Surge Current (8/20µS, line-line) Iimp 100A
Protected lines 1-2, 3-6
Capacitnance (line-line) @1MHz 6-15pF
Capacitnance (line-ground) @1MHz 1-2pF
Serial resistance 2,2Ω / line
Rated Current IN 300mA / line
Protection stages
2 (GDT, TVS)
Decoupling Surge resistor
PoE line
Rated Voltage DC (line-line) UN 58V DC
Maximum Voltage (line-line) UC 64V DC
Protection Level 1kV/μs (line-line) UP 93V
Surge Current (8/20µS, line-line) Iimp 100A
Surge Current (8/20µS, line-ground ) Iimp 2kA
Protected pairs (1+2)-(3+6), (4+5)-(7+8)
Supported PoE standards Compatible with IEEE 802.3af/at/bt-type 3 (HiPoE, UPOE)
PoE loss power on protection circuit

IEEE 802.3af, option A: 0,23W @48VDC
IEEE 802.3af, option B: 0,13W @48VDC

IEEE 802.3at, option A: 0,68W @54VDC
IEEE 802.3at option B: 0,35W @54VDC

IEEE 802.3bt, Typ 3, option AB: 0,8W @54VDC

*) parameters for maximum load

Common features
Dimensions 480 x 41 x 130 (mm)
Application Protection of LAN devices installed outdoors
Mounting 19" Rack cabinet
Tightness of the housing Not applicable
Operating temperature -30ºC~60ºC



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