Hybrid PoE switches with additional extender ports
  • IP/PoE-Extender for UTP-cables
  • Distances up to 500m
  • PoE 802.1af, at and bt
  • 8 or 16 extended channels
  • Four of the data ports and four of the extended ports can deliver PoE++ up to 65W each

This hybrid Layer-2 switch with midspan extender ports was specially developed for applications with high data loads, such as video over IP, video streaming also in connection with multicast. IP cameras can be directly connected to the data ports with PoE via Cat5e or better with a maximum length of 100m to the switch. The midspan extender ports allow IP cameras to be connected to the switch via UTP cables with a maximum length of 500m. These extender lines must be terminated on the camera side with an IP extender of type VI-UTP-23xxA. The additional two combo ports with one RJ45 and one SFP port each allow two UpLink connections. All ports are switched. Very compact solutions can be implemented by integrating switch ports and extender ports in one device. Although the VI-UTP-31xxx is delivered ready for operation without any settings, the simple graphical user interface allows the setup of the device and each individual port.

More information

SystemhinweiseThe connection of several device pairs via the same cable can lead to transmission problems by crosstalk of the different signals in the cable. Ideally, therefore, each device connection is realized via separate cables.
If several cables have to be lined up on a connection section, it is important to carry out these transitions as well as possible. This means that ideally professionally assembled RJ45 connectors are used for the transitions. If this is not possible, e.g. when using telephone cables, care should be taken to unwind the stranding of the wire pairs as little as possible. The contact between the wires of the cables to be connected must be as good as possible galvanically.
Shielded cables can cause problems due to potential equalisation currents. Particularly when several cables are connected in a central unit, we do not recommend grounding the shields in the central unit.

Technical data

General properties
supply voltage100-240VAC
power consumptionOhne PoE: 100W
Mit max. PoE: 685W
operating temperature0°C ... 40°C
dimensions445 x 378 x 45mm (BxTxH)
Testing standardsEN55022-2006 A1:2007
CISPR22:2006 A1:2006
IEC61000-4-2, 2001
IEC61000-4-3, 2002
IEC61000-4-4, 2004
IEC61000-4-5, 2001
IEC61000-4-6, 2003
IEC61000-4-8, 2001
IEC61000-4-11, 2001
copper portsVI-UTP-31026: 16 x 10/100BaseT, PoE (15W), PoE+ (30W), 4 Ports of which can be set to PoE++ (65W), RJ45
VI-UTP-31126: 8 x 10/100BaseT, PoE (15W), PoE+ (30W), 4 Ports of which can be set to bis PoE++ (65W), RJ45
extender portsVI-UTP-31026: 8 x 10/100BaseT, PoE (15W), PoE+ (30W), 4 Ports of which can be set to PoE++ (65W), RJ45
VI-UTP-31126: 16 x 10/100BaseT, PoE (15W), PoE+ (30W), 4 Ports of which can be set to PoE++ (65W), RJ45
transmission cableIdeal type: Cat5e and better
Further types:
When using Cat3 cables (telephone cable) or bell wire, the possible distances are significantly reduced.
If Cat7 cables are used, the same distances can be expected as for Cat5e/Cat6. The shielding of the Cat7 cable must not be earthed.
Transmission distanceThe maximum transmission distance when using Cat5e cable or better is approx. 500m.
When transmitting PoE, the power loss of the transmission path must be taken into account.
optical fibre ports2 x 1000Base SFP (Combo Port with Uplink Ports)
uplink ports2 x 1000T, RJ45 (Combo Port with fibre ports)
console portUSB Port, USB-B
network properties
configurationKonsole, Web GUI, SNMPv1, Telnet
port settingsPort disable/enable. Auto-negotiation 10/100/1000Mbps.  Data rate control on each Port. MAC-Adress learning, Max. Broadcast storm control, PoE-Power Control, SecurePort
SecurePort: Once a port is configured as a SecurPort, it is automatically disabled when the switch detects that a physical connection to that port has been lost.
port statusPer Port: Data rate, Link Status, PoE
Port-based VLAN
802.1Q tag-based VLAN
link aggregationLACP, IEEE802.3ad
Port Based Services
802.1Q priority tag based
IP TOS/DSCP based for IPv4/IPv6
TCP/UDP port based
2 level priority per port
WWRR/First Come-First Serve/Strict Priority
securityPort Security: MAC address based learning and programmable, IP address based, TCP/UDP port based, Port Based SecurPort, ghosting protection
Log in: Programmable username and password
Storm control: events traffic on a LAN from being disrupted by a broadcast, multicast, or unicast storm on a port
multicastIGMP snooping v1 and v2
topologyStandard Spanning Tree 802.1d Protocol (STP)
Rapid Spanning Tree (RSTP) 802.1w
Multiple Spanning Tree (MSTP), supports up to 5 different protocol states

IEEE 802.3 10Base-T
IEEE 802.3u 100Base-TX/100BASE-FX
IEEE 802.3z Gigabit SX/LX
IEEE 802.3ab Gigabit 1000T
IEEE 802.3x Flow Control and Back pressure
IEEE 802.3ad Port trunk with LACP
IEEE 802.1d Spanning tree protocol
IEEE 802.1w Rapid spanning tree protocol
IEEE 802.1s Multiple spanning tree protocol
IEEE 802.1p Class ofservice
IEEE 802.1Q VLAN Tagging
IEEE 802.1x Port Authentication Network Control
IEEE 802.1ab LLDP
IEEE 802.3af/at Power over Ethernet

Product variants


16 x 10/100BaseT, PoE
8 x 10/100 Extended UTP, PoE


8 x 10/100BaseT, PoE
16 x 10/100 Extended UTP, PoE

Version 06.11.2018, Changes without notice