3com 16-Port Hub
Kategorie:
Síťové prvky
Prodam. Plně funkční.
Podobné inzeráty
Prodám rackový switch (19“), nebyl prakticky nikdy používaný. Koupen pro domácí síť se servrem: projekt, od kterého jsem nakonec upustil. Původní cena 40 tisíc, nyní se již nikde neprodává. Možnost osobního předání v Praze či zaslat zásilkovnou
Layer 2 management
48-Port 10/100/1000BASE-T
4 Combo SFP Expansion Slots
Copy/paste informace z internetu:
Interface
- 48 10/100/1000BASE-T Ports
- 4 Combo SFP Slots
- 802.3 NWay Auto-Negotiation (Per RJ-45 Port)
- 802.3x Flow Control (Per Port)
- RS-232 Console Port
Performance
Switch Fabric
96Gbps
64-Byte System Packet Forwarding Rate
71.4mpps
MAC Address Table
16K
Packet Buffer Size
1.5MB
Max. Jumbo Frame Size
9,216 Bytes
Diagnostic LED
- 1000Mbps Speed, Link/Activity (Per RJ-45 Port)
- Link/Activity (Per SFP Slot)
- Power, Console, RPS (P er Device)
Software Functions
VLAN
- IEEE 802.1Q Tagged VLAN
- GVRP
- Max. number of VLANs: total 255 VLANs
QoS (Quality of Service)
- 802.1p Priority Queues
- CoS based on switch port
- Max. No. of queues per port: 4 for DGS-3024, 8 for
- DGS-3048
Security
- 802.1X port-based access control
- External RADIUS, TACACS+ server support
- Broadcast storm control: per port granularity 10 packets per second for DGS-3024, 1 Kbits per second for DGS-3048
- SSL
- SSH
Bandwidth Control 1
Per port granularity 64 Kbits per second
IGMP Snooping
- Max. No. of multicast groups: 64 for DGS-3024, 1K for DGS-3048
- Multicast traffic modes: flooding, filtering
Port Mirroring
- One-to-one
- Many-to-one 2
Spanning Tree2
- 802.1D Spanning Tree
- 802.1w Rapid Spanning Tree
- 802.1s Multiple Spanning Tree
Port Trunk
- Standard: 802.3ad Link Aggregation 3
- Max. No. of trunk groups: 4 for DGS-3024, 8 for DGS-3048
- Max. No. of ports per trunk: 8
- Operation mode: load sharing
Management Support
- SNMP v.1, v .2c, v.3
- Web-based management
- CLI (command line interface)
- RMON monitoring
- SNTP
- SYSLOG
- Web GUI traffic monitoring
- DHCP/Bootp client 2
- SNMP trap on MAC notification3
- Telnet server
MIB
- RFC 1213 MIB-II
- RFC 1493 Bridge MIB
- RFC 1907 SNMP v.2 MIB
- RFC 2819 RMON MIB (previous 1757)
- RFC 2665 Ether-like MIB (previous 1643, 2358) 3
- RFC 2674 802.1p MIB
- RFC 2233 IF MIB*
- RFC 2618 RADIUS Authentication Client MIB
- RFC 2620 RADIUS Accounting Client MIB
- Private MIB
RMON Groups
1, 2, 3, 9 (Alarm, Statistics, History, Event)
Firmware Upgrade
TFTP
Switch, různé druhy. Viz. foto.
3COM 3c16465b
3COM 4226T
3COM 2816
Cena 500 Kč/ks.
Komunikace výhradně přes email bazarkostelec@
K vyzvednutí v Kostelci nad Orlicí, Hradci Králové, Pardubicích. Případně v Olomouci, Praze.
Možnost zaslat přes DPD nebo Zásilkovnu..
-- Inzerát je aktuální !
-- E-mail: michalxbadura@
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Doprava a platba :
Osobní odběr: Havířov
Odeslání: -> (Cenu určuje přepravce)
- Balíkovna
- Zásilkovna
- Česká Pošta
Možnost dovozu: Havířov a blízké okolí. Za příplatek.
- Platba předem na účet nebo při osobním předání.
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Co je na prodej? Cena?
Funkční Switch 24 Port , 3COM SWITCH 3300 XM 24 PORT 3C16985B
10/100/1000Base-Tx to 1000 Base-Fx converter
Pouze vyzkoušené
Specifikace
Support one 10/100/1000Base-T Gigabit Ethernet UTP port and one 1000Base-SX / LX Gigabit Ethernet Fiber port
2. Support 802.3x flow control for full-duplex ports and back pressure for half-duplex ports
3. Support comprehensive types of fiber with different distances and connections, including SC/Bidi/LC and so on.
4. Support auto mode on TP port.
5. Fully compatible with CISCO, HP, 3COM equipment.
6. Low power consumption design, low heat dissipation for stable working.
7. Support inter-conversion between adaptive 10Base-T/100Base-TX/1000Base-T and 1000Base-SX/LX
8. Support full-duplex and half-duplex, auto-negotiation
9. Support automatic cross connection of twisted pair interfaces, facilitating system commissioning and installation.
10. Support the transmission of extra-long VLAN packets.
11. Support Quality of Service(QoS) and ensuring the transmission of VoIP packets.
12. Support STP to form a redundant network.
13. Options in single mode dual fiber, multi-mode dual fiber, and single mode in single fiber.
14. RoHS compliant
Parameter
Specifications
Access mode
10/100/1000Mbps Gigabit Ethernet
Standard
IEEE802.3 10Base-T Ethernet, IEEE802.3u 100Base-TX/FX Fast Ethernet, IEEE802.3ab 1000Base-T , IEEE802.3z 1000Base-SX/LX Gigabit thernet,IEEE802.1qVLAN,IEEE802.1p QoS,IEEE802.1d Spanning Tree
Wavelength
850nm/1310nm/1550nm
Transmission distance
multi-mode Dual-fiber: 220m(62.5/125um)/550m(50/125um)
single mode Dual-fiber: 20/40/60/80km
single mode Single fiber: 20/40/60/80km
Category-5 twisted pairs: 100m
Port
One RJ45 port:
Connecting with STP/UTP category-5 twisted pairs
One optical port:
Multi-mode Dual-fiber: SC(50, 62.5/125um)
Single mode Dual-fiber: SC/FC(9/125um)
Single mode Single fiber: SC/FC(9/125um