| 硬件规格 |
| 外壳 |
1.5U high box-type with a rack-mountable enclosure |
| Port |
Uplink? 2 x RJ-45 (10/100/1000Base-T) ????2 x SFP (1000Base-T/SX/LX/EX/ZX/LHX) MGMT?1 x RJ-45 (10/100Base-TX) Console?1 x RJ-45 (RS-232 serial port, 9600, 8, N, 1) LINE?2 x RJ-21 connectors PHONE?2 x RJ-21 connectors Fan?2 x RJ-45 HK?1 x RJ-50 |
| LED 指示灯 |
1 x SYS LED
1 x ALM LED
2 x Uplink LEDs
48 x ADSL LEDs
|
| 软件规格 |
| Standard |
Compliant with ADSL standard - ANSI T1.413 issue 2 - G.dmt (ITU G.992.1) - G.lite (ITU G.992.2) - G.hs (ITU G.994.1) Capable of ADSL2 standard - G.dmt.bis (ITU G.992.3) Capable of ADSL2+ standard - G.dmt.bisplus (ITU G.992.5) |
| System |
- Subscriber interface with built-in POTS splitter - Downstream DMT data rate up to 25 Mbps - Upstream DMT data rate up to 3 Mbps (Annex M) - Distance up to 18 kft - 8 PVCs per xDSL port - DHCP forward - DHCP relay agent - PPPoE relay - IPSec/L2TP/PPTP VPN pass-through function - PPPoA to PPPoE inter-working |
| 桥接功能 |
- Supports IPv4 packet
- Supports IEEE802.1d Ethernet bridge function between trunk Ether
?port and ATM VCs
- Supports static source MAC table provisioning, automatic source
?MAC learning and block duplicate ones
- Supports 4K static MAC address table
- 128 MAC address per x DSL port
- Supports IEEE802.1d Ethernet bridge function between trunk Ether
?port and ATM VCs
- Supports Rapid Spanning Tree Protocol (RSTP) for the trunk
?interfaces per IEEE 802.1w
- Support Link Aggregation in IEEE 802.3ad for 2 GBE links to be
?aggregated together as a logical link
- Support both LACP protocol (dynamic) for load sharing and failover
?in case of loss of Ethernet link |
| VLAN 功能 |
- IEEE 802.1q Port-based / Protocol-based VLAN
- 512 non-stacked VLAN-ID simultaneously ranging from 1 to 4095
- VLAN stacking and VLAN cross-connect
- IP Spoofing prevention
- MAC anti-Spoofing
- Port isolation functionality
- Static VLAN group and membership provisioning |
| 组播功能 |
- IP multicast forwarding
- Complies with RFC2684 bridged payload encapsulation mode
- Up to 256 multicast groups and 512 copies simultaneously
- Up to 48 profile-based Multicast Access Control
- Limit maximum number of IGMP groups joined per bridge port
- IGMP snooping / proxy per IGMP v1, v2, and v3
- IGMP proxy and IGMP snooping Selection |
| 安全 |
- Supports Layer-2 frame filtering based on MAC and Ether Type - Supports Layer-3 filtering based on IP, Protocol, and Port number - IEEE 802.1X authentication |
| QoS |
- Control the bandwidth occupied by broadcast, multicast, and ?unknown unicast (flooding) - Rate-limit profile binding per bridge port - Three Color Marking (TCM) policer - Ethernet rate limit per bridge port - ToS (type of service) / DiffServ (differentiated services) ?stripping and priority queuing - DSCP mapping to 802.1p - Selectable adopted priority queue mechanisms according to Strict ?Priority Queue (SPQ) and Weighted Fair Queue (WFQ) - Configurable mapping function between ATM PVC and 802.1p ?priority queue - Supports IP CoS technology |
| 管理 |
- Web based GUI management - Local RS-232 CLI, and Ethernet SNMP / Telnet / SSH management - Remote in-band SNMP / Telnet / SSH management - Firmware upgradeable via FTP - SNMP v1, v2c |
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