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Fiber Optic Ethernet Communications  Switches MODEL LD2326B+3xMF08SX |
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MODEL LD2326B+3xMF08SX |
24 Port 100Base Multimode or Single-Mode Fiber Optic Switch |
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LD2326B+3xMF08SX |
FEATURES |
- Supports 3 slots hot swappable 8-port 10/100M TP module and/or 100M fiber module; 2 Gigabit dual-media ports (TP/SFP) which the SFP slots support 100M fiber module only
- Supports on-line plug/unplug SFP transceiver modules
- Non-blocking, store-and-forward and shared-memory L2 managed switch
- Supports auto-negotiation for configuring speed, duplex mode
- Supports 802.3x flow control for full-duplex ports.
- Supports collision-based and carrier-based backpressure for half-duplex ports.
- Any ports can be in disable mode, force mode or auto-polling mode.
- Per-port Egress/Ingress rate control with 64K/128K/256K (up to 100Mbps) resolution
- Supports Head of Line (HOL) blocking prevention.
- Supports broadcast storm filtering.
- 8K MAC addresses with automatic learning and aging
- Auto-aging with programmable inter-age time.
- Supports 802.1p Class of Service (CoS) with 4-level priority queuing.
- Supports port sniffer function with 3 modes:
TX Monitor Mode, RX Monitor Mode, or TX-RX pair Monitor mode
- Supports port-based VLAN, 802.1Q tag-based VLAN with 256 entries
- Efficient self-learning and address recognition mechanism enables forwarding rate at wire speed.
- Web-based management provides the ability to completely manage the switch from web browser.
- SNMP/Telnet interface delivers complete in-band management.
- Supports IEEE 802.1d Spanning Tree Protocol (STP).
- Supports IEEE 802.1w Rapid Spanning Tree Protocol (RSTP).
- Supports IEEE 802.1x port-based VLAN classification.
- Supports IP Multicasting to implement IGMP Snooping function.
- Supports IEEE 802.3ad port trunking with flexible load distribution and failover function.
- Supports ingress port security mode for VLAN Tagged and Untagged frame process.
- Supports SNMP MIB2 and RMON sampling with sampled packet error indication.
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TECHNICAL SPECIFICATIONS |
- Model: LD2326B / LD2326BR
- Standards: IEEE 802.3ab / 802.3z / 802.3u / 802.3x
- Connectors / Slots:
Front Panel
— 3 slots for Fast Ethernet modules
— 2 GbE Dual-Media (TP/SFP) ports
Rear Panel
— One (1) RS-232 DB-9 Male Console port
[ Setting: Baud 57600, Data 8, Stop 1, Parity N, Flow NONE ]
- Add-On Modules (Sold Separately):
For FE Slots
MT08 — 8 ports 10/100Base-TX, RJ-45 (auto MDI/MDI-X selection)
MF08SC — 8 ports MM 100Base-FX, Duplex-SC, 1310nm
MF08ST — 8 ports MM 100Base-FX, Duplex-ST, 1310nm
MF08SC20 — 8 ports SM/20km 100Base-FX, Duplex-SC, 1310nm
MF08DB3.20 — 8 ports SM/20km 100Base-FX, Simplex-SC, TX:1310nm*
MF08DB5.20 — 8 ports SM/20km 100Base-FX, Simplex-SC, TX:1550nm*
For SFP Slots
DX-SFP.SX — 1000Base-SX MM SFP Duplex-LC, 850nm
DX-SFP.L10 — 1000Base-LX SM/10km SFP Duplex-LC, 1310nm
DX-SFP.L40 — 1000Base-LX SM/40km SFP Duplex-LC, 1310nm
DX-SFP.L70 — 1000Base-LX SM/70km SFP Duplex-LC, 1550nm
DX-SFP.3L20 — 1000Base-LX SM/20km SFP Simplex-LC, TX:1310nm*
DX-SFP.5L20 — 1000Base-LX SM/20km SFP Simplex-LC, TX:1550nm*
[ SFP dBm figures here. ]
[ * Note: When use single-strand fiber on Simplex-LC modules, end-to-end modules should be in different transmit wavelength, i.e. one end is using TX:1310nm, then the other end must be using TX:1550nm and vise versa. This applied to both Fast Ethernet & Gigabit Ethernet modules. ]
- Data Transfer Rate:
1000Mbps for 1000Base-SX/LX
100Mbps for 100Base-FX
10/100Mbps (auto-negotiation) for TX
- Cable / Max Distance:
50/125, 62.5/125µm Multi-Mode fiber, up to
220m for 1000Base-SX
2km for 100Base-FX
9/125µm Single-Mode fiber, up to
10~70km (SFP module dependent) for 1000Base-LX
20km for 100Base-FX
Category 5 or up UTP, 100m for 10/100Base-TX
Category 3 or up UTP, 100m for 10Base-T
- Duplex Mode:
Full for 1000Base-SX/LX, and 100Base-FX
Full/Half (auto-sense) for 10/100Base-TX
- MAC Address and Self-learning:
8K MAC addresses,
256 VLAN table entries,
256 IP Multicast table entries
- Buffer Memory:
Embedded 256KB packet buffers and 128KB control memory
- LEDs:
Unit — POWER, CPURUN, ACT (LEDSET), FDX (LEDSET), SPD (LEDSET)
Per FE Port — LINK/ACT, FDX, SPD
Per SFP Port — LINK/ACT, FDX, SPD
- Power Requirement: 100~240V AC, 50/60Hz, max 45W consumption
LD2326B — Base Unit with build-in AC Single Power
LD2326BR — Redundant Power Base Unit (Power Module sold separately)
CR-2020-P01 — 1U AC-DC Power Module for LD2326BR
CR-2020-P02 — 1U DC-DC Power Module for LD2326BR
- Operating Temperature: 0° to 40° C
- Humidity: 5% to 90%
- Dimension:
44 x 442 x 281mm (H x W x D), 19" Rack-mountable with brackets
- Safety: FCC Class A, CE Mark Approval
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MANAGEMENT SUPPORT |
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- System Configuration
Auto-negotiation supports on 10/100Base-TX ports, web browser or console interface can set transmission speed (10/100Mbps) and operation mode (Full/Half duplex) on each ports, set VLAN group, set Trunk connection.
- Management Agent
SNMP supports; MIB II, Bridge MIB, RMON MIB
- Spanning Tree Algorithm
IEEE 802.1D
- VLAN Function
Port-based/802.1Q-Tagged, allowed up to 256 active VLANs in one switch
- Trunk Function
Ports trunk connections allowed
- IGMP
IP Multicast Filtering by passively snooping on the IGMP Query
- Bandwidth Control
Support by-port Egress/Ingress rate control
- Quality of Service (QoS)
Referred as Class of Service (CoS) by IEEE 802.1P standard.
— Four queues per port
— Packet transmission schedule using Weighted Round Robin (WRR)
— User-defined weight
— Classification of packet priority can be based on either a VLAN tag on packet or a user-defined port priority
- Port Security
Limit number of MAC addresses learned per port, static MAC addresses stay in the filtering table
- Inter-networking Protocol
Bridging: 802.1D Spanning Tree
IP Multicast: IGMP Snooping, IP Multicast Packet Filtering, Maximum of 256 active VLANs, and IP Multicast sessions
- Networking Management
One RS-232 port as local control console
Telnet remote control console
SNMP Agent: MIB-2 (RFC1213), Bridge MIB (RFC1493), RMON MIB (RFC1757) - statistics, VLAN MIB (802.1Q)
Web browser supports based on HTTP Server and CGI parser TFTP software-upgrade capability (Default access IP: 192.168.1.1)
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