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Форума се преглежда вечер, затова и отговорите на въпроси ще са тогава!

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• x_treamer@abv.bg
  
• лс
  
• Дайте по-подробна информация за предлаганата стока,
  
• използвани са около месец изцяло вътре но не ми вършат работата за която ги вззех
  
• неразличими са от нови пазя им и кутийте само без пласмаските вътре

• Panel Technology: TN+ film TFT
  
• Screen Size [inch/cm]: 19 / 48.2
  
• Pixel Pitch [mm]: 0.294
  
• Viewing Angle: 140° horizontal / 125° vertical (typ. at contrast ratio 10:1); 160° horizontal / 145° vertical (typ. at contrast ratio 5:1)
  
• Contrast Ratio (typ.): 550:1
  
• Brightness (typ.) [cd/m²]: 270
  
• Response Time (typ.) [ms]: 8 (2 white / black; 6 black / white)
  
• Colours [Mio.]: 16.2
  
• Horizontal Frequency [kHz]: 31.5 - 81.1
  
• Vertical Frequency [Hz]: 55 - 76
  
• Optimum Resolution: 1280 x 1024 at 60 Hz
  
• Other Resolutions: 1280 x 960; 1152 x 870; 1152 x 864; 1024 x 768; 832 x 624; 800 x 600; 720 x 400; 640 x 480
  
• Connectors: Analog: 1 x mini D-sub 15 pin (captive cable)
  
• Plug & Play : DDC2B/2Bi; EDID Standard
  
• Adjust Functions: Auto Adjust; Brightness; Colour Temperature Control; Contrast; Fine Adjust (analogue); Language Select; Monitor Information; NTAA (Non-Touch-Auto-Adjustment); On-Screen-Manager (OSM) lock-out; Volume
  
• Safety and Ergonomics: CE; TCO'03; TÜV ergonomics approved; TÜV GS; Energy Star; FCC Class B; PCT/Gost; UL/C-UL or CSA; ISO 13406-2 (pixel failure class II); MPR II/ MPR III; RoHS
  
• Power Requirements on Mode [W]: 37
  
• Power Requirements Power-saving Mode [W]: < 2
  
• Power Supply: 100-120 V/220-240 V; 0.8 A/0.5 A; integrated power supply
  
• Ambient Temperature (operating) [°C]: +5 to +35
  
• Ambient Humidity (operating) [%]: 30 to 80
  
• VESA Mounting [mm]: 100 x 100
  
• Screen Tilt [°]: -5 to +20
  
• Bezel Width [mm]: 14.0
  
• Cable Management: yes
  
• Kensington Lock: yes
  
• Specials: NaViSet® and NaViSet® Administrator compatible; Rapid Response Technology
  
• Audio Functions: None
  
• Colour Versions: Silver Front Bezel, Black Back Cabinet
  
• Shipping Content : Monitor; Power Cable; Signal Cable VGA - VGA (captive); CD-ROM; Sales Office List; Manual
  
• Dimensions (W x H x D) [mm]: 406 x 405 x 205

• Cost effective 24-port managed L2 switch
  
• Gigabit uplinks for server/backbone attachments
  
• Fan-less design
  
• 19" rack-mount size
  
• Open slots for optional uplink modules

• 10/100/1000T x 24 ports with 4 combo SFP bays and rear bay for optional stacking ports
  
• 96 Gbps switch fabric
  
• 71.424 Mpps
  
• 48Gbps stacking capability
  
• External redundant power supply system option
  
• Layer 3 Switching (RIPv2, ECMP, 1024 Static Routes)
  
• 802.3ad link aggregation protocol (LACP) and port trunking
  
• DoS attack protection
  
• Secure Shell (SSHv2) Secure Sockets Layer (SSL)
  
• 802.1w Rapid Convergence Spanning Tree Protocol
  
• 802.1s Multiple Spanning Tree
  
• Rate Limiting
  
• Dual Image Support
  
• IEEE Auto-MDIX
  
• Port security
  
• QoS (802.1p and DSCP Remarking)
  
• Management (Web, CLI, SNMP)
  
• Temperature Threshold Alert

• RJ-45 Connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T (Auto Uplink™ on all ports):
  
  • GSM7224-200 24 ports
• Small form-factor pluggable (SFP) modules for fiber Gigabit Ethernet interfaces:
  
  • GSM7224-200 4 slots
• RS-232 console port

• IEEE 802.1Q static VLAN (1024)
  
• IEEE 802.1p Class of Service (CoS)
  
• IEEE 802.1D Spanning Tree Protocol
  
• IEEE 802.1v Protocol VLAN & Port VLAN and MAC-based VLAN
  
• Voice VLAN
  
• Guest VLAN
  
• IP subnet-based VLAN
  
• IEEE 802.1 Q-in-Q
  
• IEEE 802.1w Rapid Spanning Tree
  
• IEEE 802.1s Multiple Spanning Tree
  
• IEEE 802.3ad Link Aggregation (LACP)
  
• IEEE 802.1x port access authentication
  
• IGMP v1, v2, v3 snooping support
  
• IGMP querier
  
• Static multicast filtering
  
• Ingress rate limit in 1 Kbps increments
  
• Weighted round robin (WRR) queue technology
  
• MLD v1, v2 snooping

• Access Control Lists (ACL) - MAC, IP, TCP
  
• ACLs: L2/L3/L4
  
• Network storm protection including broadcast multicast and unicast traffic
  
• MAC filtering
  
• Private group
  
• CoS
  
• Diffserv QoS (RFC 2998)
  
• IEEE 802.1x port access authentication
  
• Port security
  
• DoS
  
• DHCP snooping
  
• IP Source Guard
  
• Dynamic ARP inspection
  
• RADIUS (RFC 2865)
  
• RADIUS accounting (RFC 2866)
  
• TACACS+

• SNMP v1, v2c, v3 with multiple IP addresses
  
• RFC 1157, 1902-1907
  
• RFC 768 UDP
  
• UDP relay
  
• RFC 854-859 telnet
  
• RFC 951 BOOTP
  
• RFC 1213 MIB II
  
• RFC 1757 RMON groups 1,2,3, and 9
  
• RFC 1215 SNMP Traps
  
• RFC 1493 Bridge MIB
  
• RFC 1643 Ethernet Interface MIB
  
• RFC 1534 DHCP and BOOTP interoperation
  
• RFC 2131, 2132 DHCP and BOOTP
  
• Private Enterprise MIB
  
• Port mirroring support (many-to-one)
  
• DHCP/BOOTP relay-primary and backup (RFC 3046, option 82)
  
• RFC 2030 Simple Network Time Protocol (SNTP)
  
• DHCP server
  
• DHCP L2 relay
  
• IEEE 802.1AB Link Layer Discovery Protocol (LLDP)
  
• ANSI/TIA-1057 LLDP Media Endpoint Discovery (LLDP-MED)
  
• DHCP relay (with backup servers)
  
• GARP/GVRP/GMRP
  
• SYSLOG
  
• TFTP, SFTP, HTTP, SCP, or local USB flash firmware upgrade
  
• Port description
  
• RFC 1519 CIDR
  
• Proxy ARP
  
• DNS lookup

• Manage up to 48 fully managed switches

• Forwarding modes: Store-and-forward
  
• Bandwidth:
  
• GSM7224-200: 48 Gbps; 35.7 Mpps
  
• Switch latency: 20 us for 64-byte frames (1 G to 1 G)
  
• System memory: 128 MB
  
• Packet buffer memory:
  
• GSM7224-200: max support 0.75 MB buffer memory
  
• Code storage (flash): 32 MB
  
• Address database size: 8 K media access control (MAC) addresses
  
• Number of VLANs: 1024 (1-4093)
  
• Number of trunks: 64
  
• Number of queues: 8
  
• Number of static route: 32
  
• Number of routed VLANs: 32
  
• Number of ARP entries: 480
  
• Number of ACL rules: 224
  
• Jumbo frame support: up to 9 K packet size
  
• Acoustic noise:
  
• GSM7224-200: 38.6 dB
  
• Heat dissipation:
  
• GSM7224-200: 131.439 BTU/hr
  
• Mean time between failures (MTBF):
  
• GSM7224-200: 239,032 hours (~27 years)

• SYN filtering

chain=srcnat src-address=192.168.222.0/24 action=masquerade
chain=dstnat dst-address=87.120.xxх.ххх protocol=udp dst-port=27015 action=dst-nat to-addresses=192.168.222.1 to-ports=0-65535
chain=dstnat dst-address=87.120.xxх.ххх protocol=udp dst-port=27016 action=dst-nat to-addresses=192.168.222.1 to-ports=0-65535