ZIV SWT User manual

Making the Smart Grid Real
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ZIV
Antonio Machado,78-80
08840 Viladecans, Barcelona-Spain
Tel.: [phone]
Fax: [phone]
Mail to: [e-mail]
www.zivautomation.com
GIGABIT/FAST ETHERNET SWITCH
TYPE SWT
USER GUIDE
V09 - March 2019
M0SWTA1903Iv09

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SAFETY SYMBOLS

WARNING OR CAUTION:
This symbol denotes a hazard. Not following the indicated procedure,
operation or alike could mean total or partial breakdown of the
equipment or even injury to the personnel handling it.
NOTE:
Information or important aspects to take into account in a procedure,
operation or alike.

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CONTENTS
Page
1INTRODUCTION 6
1.1 GENERAL 6
1.2 MAIN CHARACTERISTICS 6
1.3 EQUIPMENT COMPOSITION 10
1.4 TECHNICAL SPECIFICATIONS 11
1.4.1 Switch characteristics 11
1.4.2 Unit interfaces 11
1.4.3 Accessories 12
1.4.4 Equipment management 13
1.4.5 Additional services 13
1.4.6 Certifications 13
1.4.7 Mechanical characteristics 14
1.4.8 Operating conditions 14
1.5 WARNINGS 16
1.5.1 Warnings before installing 16
1.5.2 Equipment safety considerations 17
2MECHANICAL AND ELECTRICAL CHARACTERISTICS 18
2.1 10/100BASE-TX (RJ-45) PORTS 22
2.2 100BASE-FX (MULTIMODE, MT-RJ) PORTS 24
2.3 100BASE-FX (MULTIMODE, ST or SC) PORTS 24
2.4 100BASE-FX (MULTIMODE, LC) PORTS 25
2.5 100BASE-LX (SINGLEMODE, LC) PORTS 25
2.6 SFP PORTS 26
2.7 SRV PORT 28
2.8 I/O CONNECTOR 29

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3LED SIGNALLING 30
3.1 SWT WITH FRONT PORTS 30
3.2 SWT WITH REAR PORTS 34
4ACCESS TO THE EQUIPMENT 37
4.1 CONSOLE 37
4.2 HTTP SERVER 38
5CONFIGURATION AND MANAGEMENT 40
5.1 GENERAL PARAMETERS 41
5.1.1 Equipment identification 42
5.1.2 Access control 42
5.1.3 Others 43
5.1.4 Syslog 43
5.2 ADMINISTRATION 44
5.3 LAN CONFIGURATION 45
5.4 ETHERNET PORTS CONFIGURATION 46
5.5 VLAN CONFIGURATION 50
5.6 BANDWIDTH LIMIT CONFIGURATION 54
5.7 QoS CONFIGURATION 55
5.8 PORTS MONITORING CONFIGURATION 58
5.9 LLDP CONFIGURATION 61
5.10 SNMP CONFIGURATION 63
5.11 STP PROTOCOL CONFIGURATION 66
5.12 NTP/SNTP CONFIGURATION 70
5.13 MULTICAST CONFIGURATION 72
5.13.1 Static 74
5.13.2 GMRP 75
5.13.3 IGMP 77

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Page
5.14 ACCESS CONFIGURATION 79
5.15 SECURITY CONFIGURATION 81
5.15.1 802.1x 82
5.15.2 MAC list 84
5.16 OTHERS CONFIGURATION 85
5.17 REBOOT 86
5.18 CODE REFLASH 86
5.19 CONFIGURATION FILE 87
5.19.1 Upload (from the PC to the equipment) 88
5.19.2 Download (from the equipment to the PC) 88
5.20 EVENT FILES 89
6STATISTICS 90
APPENDIX A
BIBLIOGRAPHY AND ABBREVIATIONS 96
APPENDIX B
DATA STRUCTURE IN CLI 101

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1 INTRODUCTION
1.1 GENERAL
SWT is a Gigabit/Fast Ethernet switch intended for big scale LAN deployments where:
port density,
switching performance, and
logical complexity
are the main challenges to surpass.
SWT devices bring the necessary capabilities to implement the automation of electrical
substations according to the IEC 61850 standard.
The SWT can be managed locally and remotely, through a console or through a built-in
web server, HTTP or HTTPS, SSH connection and Telnet.
The SWT also supports the SNMPv1, SNMPv2c and SNMPv3 protocols, as well as other
protocols and services suchas LLDP, GARP/GMRP, IGMP, NTP/SNTP, TACACS+ and RADIUS.
1.2 MAIN CHARACTERISTICS
Some of the SWT most important features are described below.
❖Grouping of services and architectures.
Services may be grouped and discriminated, some not being accessible with others,
through the configuration of different VLANs.
Each VLAN is different from the others thanks to a specific identifier, called VID, which is
included in the VLAN tag and specified in the standard IEEE 802.1q. It permits several
VLANs to share resources, either switching equipment such as the SWT, or links
between switching equipment, guaranteeing that each VLAN traffic will remain isolated
from the others.
The standard 802.1q admits three types of frames: untagged frames, tagged frames with
the VLAN ID (VID) identifier and the priority (tagged) or only the priority (priority tagged,
VLAN = 0).
The SWT may adapt to different network architectures, such as: star, double star, ring,
double ring, and linked rings.

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FIGURE 1 Traffic separation
FIGURE 2 Star topology

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FIGURE 3 Rings
❖Link Aggregation by LAG function.
The Link Aggregation Group (LAG) function allows grouping several links into a single
aggregated link identifier. Figure 3 illustrates an example of link aggregation. From the
point of view of the STP/RSTP protocol, the connection entity is the LAG group identifier.
In this way, the different links that are part of the LAG are not handled individually and are
not considered a loop, and thus it provides the aggregated bandwidth.
Link aggregation can be created for any of the planned interface functions: user (edge,
untag), inter-switch link (trunk or native) and those associated to the Q-in-Q functionality
(access and core). Once the LAG is established, the set of parameters of the interface
selected as Leader determines the behaviour of the group.
❖Q-in-Q operation.
The SWT includes two functions that provide Q-in-Q operation (double-tagged). In this
operation mode, the frames include the original tag (C-TAG), either generated by the
client equipment or assigned by the switch itself at the moment is received, and a second
tag, the tag of the provider (S-TAG), which will be the tag used in the network of the
service provider.
The 802.1Q tunnels are a useful tool to reuse the identification VID values of the VLAN,
or for transiting data over third-party networks.

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FIGURE 4 Q-in-Q operation
❖Advanced RSTP implementation
The SWT not only complies with the STP and RSTP protocols for resolving loops in the
network and operation in rings, but it also exceeds the recovery times obtained through
said protocols. Thus, the SWT guarantees recovery times lower than 4 ms per link via the
RSTP standard in case of failure.
❖Critical services and security.
The different services have their level of importance. For example, sending orders to
open a switch has priority over the traffic from a telephone connection. The SWT has
Quality of Service (QoS), which identifies critical services, guaranteeing that all traffic
receives the appropriate priority.
On the other hand, the SWT implements different security features that prevent
unauthorized access to the traffic system, such as: port disabling, traffic restriction
according to MAC addresses, authentication protocols (TACACS+, RADIUS), etc.
❖Broadcast traffic limitation.
In order to avoid the network flooding, the SWT establishes maximum volume limits for
different combinations of broadcast, multicast, and flooding messages, in each one of
their ports.

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❖Multicast traffic.
The SWT has two protocols for adapting the multicast traffic to the desired interfaces.
The protocols are:
oGARP/GMRP (IEEE 802.1D 2004). The GMRP clients request to the SWT the
selective transmission of the multicast traffic desired by each of them.
oIGMP. The SWT manages multicast traffic based on the IGMP messages
exchanged by the client equipment and the multicast routers (IGMP Snooping).
To be operative, the GARP/GMRP protocol must be INACTIVE.
The SWT also establishes the multicast flows in an explicit and manual way.
❖Port mirroring.
The SWT resends traffic copies of one or more ports to another one, the monitoring port,
being able to establish incoming or outgoing traffic copies in each monitored port in an
independent manner.
1.3 EQUIPMENT COMPOSITION
The SWT is provided in a 19" shelf that is 1 standard unit (s.u.) in height, prepared for rack
mounting.
It includes a serial maintenance interface (DCE mode) and an I/O connector (see section
2.8), and can include 4 Gigabit Ethernet SFP bays and up to 32 ports, front or rear.
The SWT has a 4-block mechanical structure for the installation of the ports. See in section
1.4.2, Equipment interfaces, the types of blocks available and their requirements.
The main power supply may be isolated DC or multirange (VDC and VAC). The SWT may
include an isolated DC or multirange (VDC and VAC) redundant power-supply option and, in
the front port model, a PoE power-supply option for the direct connection of IP devices
(IEEE 802.3 af) in the first four electrical ports (1 to 4).

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1.4 TECHNICAL SPECIFICATIONS
1.4.1 Switch characteristics
➢Full Duplex Wired Speed switching core.
➢Port speed automatic detection.
➢STP and RSTP for resolving loops in the network and operation in rings.
➢Multiple VLANs management (250 simultaneously).
➢QoS:
•the SWT can use the priority fields included in the IEEE 802.1p tag,
•as well as the DSCP identifier included in the IP header.
➢Broadcast and Multicast (Broadcast Storm Control) traffic limitation.
➢MAC access control lists and 802.1x user authentication.
➢Q-in-Q operation (double-tagged).
➢Link aggregation by LAG function, static, according to IEEE 802.1ad.
➢Port mirroring.
➢Links in VLAN Native mode.
➢Interoperability with IEDs (Intelligent Electronic Device) that complies with the
IEC 61850 requirements.
1.4.2 Unit interfaces
➢Up to 32 ports, front or rear.
The chassis has a mechanical structure of up to four blocks for the installation of the
ports. The type of blocks to be combined are the following:
•Block of 8ports type 10/100Base-Tx with RJ-45 connector.
•Block of 8 ports type 10/100Base-Tx with RJ-45 connector and PoE in the first four
ports (always front). One block of this type as maximum.
•Block of 4or 8ports type 100Base-Fx multimode (1300 nm) with MT-RJ
connector.
•Block of 2or 4 ports type 100Base-Fx multimode (1300 nm) with ST connector.

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•Block of 4or 8ports type 100Base-Fx multimode (1300 nm) with LC connector.
•Block of 4or 8ports type 100Base-Lx singlemode (1300 nm) with LC SM connector.
•Block of 2or 4 ports type 100Base-Fx multimode (1300 nm) with SC connector.
The blocks must be installed consecutively, from left to right, without leaving empty
slots.
If there are electrical ports, they must always be in the first position.
If only fiber optic ports are used, a maximum of 24 ports are supported.
No port blocks with 4 connectors MT-RJ, 2 connectors ST, 2 connectors SC or
4 connectors LC (LC SM) should be installed in the first position.
➢1 service console (DCE mode).
➢4 Gigabit Ethernet SFP bays (see section 1.4.3, Accessories), front or rear.
➢1 I/O connector with one digital input and output that can be managed via SNMP.
The digital output can be configured as an alarm.
1.4.3 Accessories
➢Gigabit/Fast Ethernet SFP modules.
The following list corresponds to verified modules, which complywith the temperature criteria.
•SFP 1000BaseT (4CZ07980001)
type of connector: RJ-45
•SFP 1000BaseSx (4CZ07980002)
type of connector: LC
type of fiber: multimode
wavelength: 850 nm
typical maximum distance: 550 m
•SFP 1000BaseZx (4CZ07980004)
type of connector: LC
type of fiber: singlemode
wavelength: 1530 nm
typical maximum distance: 80 km
•SFP 1000BaseLx (4CZ07980005)
type of connector: LC
type of fiber: singlemode
wavelength: 1310 nm
typical maximum distance: 10 km
•SFP 100BaseEx (4CZ07980008)
type of connector: LC
type of fiber: singlemode
wavelength: 1310 nm
typical maximum distance: 40 km

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•SFP 100BaseFx (4CZ07980006)
type of connector: LC
type of fiber: singlemode
wavelength: 1310 nm
typical maximum distance: 10 km
•SFP 100BaseFx (4CZ07980007)
type of connector: LC
type of fiber: multimode
wavelength: 1310 nm
typical maximum distance: 2 km
➢Optical fiber pigtails.
•Flat RJ45 STP CAT6 cable, 3m length (4GL03000141).
•Multimode fiber MTRJ-MTRJ, 2m length (4CZ05000010).
•Multimode fiber MTRJ-SC, 2m length (4CZ05000011).
•Multimode fiber MTRJ-ST, 2m length (4CZ05000012).
•Multimode fiber MTRJ-LC, 2m length (4CZ05000013).
•Multimode fiber LC-LC, 2m length (4CZ05000014).
•Singlemode fiber LC-LC, 2m length (4CZ05000015).
1.4.4 Equipment management
➢Local and remote access through a built-in web server, HTTP or HTTPS, SSH
connection and Telnet.
1.4.5 Additional services
➢SNMP agent (SNMPv1, SNMPv2c y SNMPv3).
➢NTP server, and NTP/SNTP client.
➢TACACS+ client.
➢RADIUS client.
➢GARP/GMRP (IEEE 802.1D 2004).
➢IGMP snooping.
➢LLDP (IEEE 802.1AB 2016).
1.4.6 Certifications
➢CE.
➢Designed for industrial applications.
➢Designed for Electrical Substations.

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1.4.7 Mechanical characteristics
➢Mechanical enclosure: shelf that is 19" wide and 1 standard unit (s.u.) high.
➢Dimensions: Height: 44 mm; Width: 445 mm ; Depth: 283 mm.
See FIGURE 5.
➢Weight: 3.4 kg
➢IP protection level: IP 2xB
➢Material: Grey (RAL 7024) zinc-plating iron.
For more mechanical details, see chapter 2, Mechanical and electrical characteristics.
1.4.8 Operating conditions
➢Power supply: 36-72 Vdc or multirange (80-360 Vdc, 80-260 Vac).
Redundant power-supply option and, in front port model, PoE
power-supply option in the first four electrical ports (1 to 4).
DC operation is protected by diode against polarity inversion.
Multirange model is also protected against polarity inversion.
➢Consumption: Maximum consumption at 48 Vdc: 40 W.
Maximum PoE consumption to be distributed between electrical
ports P1 to P4: 12 W.
➢Temperature range: from -25ºC to +70ºC
➢Relative humidity: not greater than 95%, in accordance with IEC 721-3-3 class 3K5
(climatogram 3K5).
➢Electrical safety: in accordance with EN 60950 standard.
➢R.F. emissions: in accordance with EN 55022 standard.
➢Dielectric strength: in accordance with EN 60255-5 standard.

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➢Electromagnetic compatibility.
•Electrostatic discharge immunity test:
in accordance with EN 61000-4-2 standard.
•Radiated, radio-frequency, electromagnetic field immunity test:
in accordance with EN 61000-4-3 standard.
•Electrical fast transient/burst immunity test:
in accordance with EN 61000-4-4 standard.
•Surge immunity test:
in accordance with EN 61000-4-5 standard.
•Immunity to conducted disturbances, induced by radio-frequency fields:
in accordance with EN 61000-4-6 standard.
•Power frequency magnetic field immunity test:
in accordance with EN 61000-4-8 standard.
•Damped oscillatory magnetic field immunity test:
in accordance with EN 61000-4-10 standard.
•Harmonics and interharmonics including mains signalling at a.c. power port, low
frequency immunity tests:
in accordance with EN 61000-4-13 standard.
•Damped oscillatory wave immunity test:
in accordance with EN 61000-4-18 standard.
•Voltage dips, short interruptions and voltage variations immunity tests:
in accordance with EN 61000-4-11 standard.
•Voltage dips, short interruptions and voltage variations on d.c. input power port
immunity tests:
in accordance with EN 61000-4-29 standard.

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1.5 WARNINGS
1.5.1 Warnings before installing
1. The installation of the SWT in Electrical Substations or Secondary
Substations is generically subject to the fulfilment of all the safety measures
and prevention of risks established for this type of work by the electricity
company that will use these devices and the Safety standards (EN 50110).
2. In order to install and handle the SWT the following points must be
complied with:
- Only qualified personnel appointed by the electricity company that owns
the installation should carry out the installation and handling of the SWT.
- The environment in which it is to operate should be suitable for the SWT,
fulfilling all the conditions indicated in section 1.4.8.
3. ZIV will not accept responsibility for any injury to persons, installations or third
parties, caused by the non-fulfilment of points 1 and 2.
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1.5.2 Equipment safety considerations
1. There are two power-supply models:
- 48 Vdc, isolated
- Multirange Vdc/Vac.
When using the multirange power supply the earth connection must be made
before connecting any other power-supply cable.
In the isolated 48 Vdc model this connection is not compulsory but it is
strongly advisable.
2. ZIV will not accept responsibility for any injury to persons or third parties,
caused by the non-fulfilment of point 1.
1. The terminal contains components sensitive to static electricity, the following
must be observed when handling it:
- Personnel appointed to carry out the installation and maintenance of the
switch SWT must be free of static electricity. An anti-static wristband and/or
heel connected to earth should be worn.
- The room housing the SWT must be free of elements that can generate
static electricity. If the floor of the room is covered with a carpet, make sure
that it is anti-static.
2. ZIV will not accept responsibility for any damage to the equipment caused by
the non-fulfilment of point 1.
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2 MECHANICAL AND ELECTRICAL CHARACTERISTICS
The diverse elements comprising the Gigabit/Fast Ethernet switch type SWT are supplied
in a shelf that is 19" wide and 1 standard unit (s.u.) high, which is prepared for rack
mounting.
FIGURE 5 shows the general dimensions in mm of the SWT, as well as the position of the
fastening holes.
FIGURE 5 General dimensions in mm of the SWT
The SWT is powered with a nominal voltage of 48 VDC (isolated) or allows DC and AC
supply-voltage operation (80-360 Vdc, 80-260 Vac), through the connector shown in
FIGURE 6.
The female connector supplied with the equipment is suitable for rigid or flexible conductors
of up to 2.5 mm2.

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FIGURE 6 Location of the main power-supply connector (PS 1) and secondary power-supply
connector (PS 2)
a)Rear view of shelf with front ports
b)Rear view of shelf with rear ports
In the SWT front port model, the first four 10/100Base-Tx ports, identified as ports 1 to 4,
admit the PoE power-supply option, which is performed through the connector shown in
FIGURE 7. The PoE interfaces provide power supply to the client equipment using their
own Ethernet cable, for example, IP telephones (IEEE 802.3 af).
The SWT may include two power-supply sources: main (PS 1) and alternative (PS 2)
and, in front port model, the PoE power supply (PoE PS).
FIGURE 7 Location of the PoE power-supply connector (PoE PS) in shelf with front ports

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An earth connection is available (see FIGURE 8). When using the multirange
model, this connection must be made before connecting any other power-supply
cable.
In the isolated 48 Vdc model this connection is not compulsory but it is strongly
advisable.
FIGURE 8 Location of the earth connection
The SWT may have 4 Gigabit Ethernet SFP bays and up to 32 ports, front or rear.
The SWT has a 4-block mechanical structure for the installation of the ports. See in section
1.4.2, Equipment interfaces, the types of blocks available and their requirements.
FIGURE 9 shows an example of a front view of the SWT with 4 Gigabit Ethernet SFP bays
and with 26 Fast Ethernet front ports, the first 16 in 10/100Base-Tx (RJ-45) configuration,
the following 8 in 100Base-Fx (multimode, MT-RJ) configuration and the last 2 in 100Base-
Fx (multimode, ST) configuration.
FIGURE 10 shows an example of a rear view of the SWT with 4 Gigabit Ethernet SFP bays
and with 24 Fast Ethernet rear ports, the first 16 in 100Base-Fx (multimode, MT-RJ)
configuration and the last 8 in 100Base-Fx (multimode, ST) configuration.
The electrical characteristics of the connectors and their use are indicated in sections 2.1 to
2.8.
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