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[ENG] NetPing NP-SM4, User guide

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Summary of Contents for NP-SM4

Page 1: ... ENG NetPing NP SM4 User guide ...

Page 2: ...on 4 SM4 NP SM4 Switch Overview 5 A Purpose of a Device 5 Appearance 5 Sockets and LEDs 5 Power Supply Unit 5 SM4 Shipping Kit 7 SM4 Installation and Connection 8 SM4 PoE Technology in NP SM4 Switches 9 SM4 QoS Technology in NP SM4 Switches 12 SM4 Warranty 13 ...

Page 3: ... ENG NetPing NP SM4 User guide ...

Page 4: ...nafter a switch or a device A User Guide is designed for network administrators and users who set up or operate a device To work with a device properly a user must have an idea about the principles of building and functioning of local networks as well as possess the next knowledge and skills Basic knowledge in the area of local and global networks Basic knowledge in the area of architecture and pr...

Page 5: ...presented on a picture below Sockets and LEDs A switch has 4 Ethernet ports 10 100BASE TX Two of them are on a front panel of a device and the rest two ones are on left and right side panels There is a socket for connecting an external power supply unit not included into a shipping kit on a back panel There is a LED indicating a power supply availability on a top panel of a device Front Panel Back...

Page 6: ...SM4 NP SM4 Switch Overview SM4 NP SM4 Switch Overview To plug an external power supply unit a socket DJK 02A with a 2 1 mm dowel is used It is recommended to use Power Supply Unit 48V 1 5A as an external power supply unit of a switch ...

Page 7: ...ng NP SM4 User guide SM4 Shipping Kit SM4 Shipping Kit SM4 Shipping Kit A shipping kit includes a NP SM4 switch 6 mini jumpers for PoE switching a ZIP pack A power supply unit is not included into a shipping kit ...

Page 8: ...ide a power supply by PoE technology to other devices Important A board of a switch is under 48 V voltage which is dangerous for your life To avoid an electric shock always turn off a power supply of a switch before removing its lid A switch operation with an opened lid is not allowed Install jumpers to transmit a power supply Look at the Section PoE Technology in NP SM4 Switches Put a switch in a...

Page 9: ... fed with the help of external power supply unit An input voltage range for a supply unit is 11 60 V A priority is given to a power supply unit When a voltage on input of a power supply unit exceeds10 V PoE input is disabled NP SM4 switch can transmit power supply received from PoE injector or a power supply unit on ports P0 P1 P2 Important A partner PoE determination scheme doesn t work on ports ...

Page 10: ... devices Thus PSE devices will feed NP SM4 which has a jumper J6 installed J6 jumper is not included into a shipping kit Jumpers are installed horizontally Improper installation of jumpers can damage a switch An example of a proper installation of jumpers for feeding P2 port is shown at the picture 8 Picture 8 Proper Installation of Jumpers Important A board of switch is under 48 V voltage which i...

Page 11: ...different ports of NP SM4 switch or to one port there is no limit to a total power A maximum power consumption of NP SM4 switch itself is 2 5 watts which gives an oppurtunity to join up to 10 NP SM4 switches in a circuit using short patch cords However it is not recommended to join more than four switches in a circuit There is a need to take into account a voltage drop on long lines as for 100 met...

Page 12: ...nt of queues in the interface 4 Queues servicing mechanism WRR Weighted Round Robin Traffic classification by six high order IP TOS and IPv6 TC bits Classification table Queque number Beginning of the Range End of the Range 0 0x00 0x0f 1 0x10 0x1f 2 0x20 0x2f 3 0x30 0x3f Queque 3 has the biggest weight queque 0 the least one Make sure that IP phones mark voice traffic with DSCP values which corres...

Page 13: ...er Only the errors that block normal use of the device at conditions and for performing functions described in this User Guide are a subject to mandatory fix This warranty does not apply to cases when defects appear because of a misuse of a device any modifications of a device without a written permission of the manufacturer opening up a device a warranty sticker on the case of a device is damaged...

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