Appendix B - Technical Specifications; Hardware Specifications; Key Components / Performance; Port Functions - D-Link DES-1228 Manual

Appendix B - Technical Specifications

Appendix B - Technical Specifications

Hardware Specifications

Key Components / Performance

Switching Capacity:
- DES-1228: 12.8Gbps
Max. Forwarding Rate
- DES-1228: 9.5Mpps
Forwarding Mode: Store and Forward
Packet Buffer memory: 256K Bytes
DDRII for CPU: 64M Bytes
Flash Memory: 16M Bytes

Port Functions

24 or 48 10/100BaseT ports compliant
with the following standards:
- IEEE 802.3
- IEEE 802.3u
- Supports Full-Duplex operations
4 1000Base-T ports compliant with the
following standards:
- IEEE 802.3
- IEEE 802.3u
- IEEE 802.3ab
- Supports Full-Duplex operations
2 combo SFP ports compliant with the
following standards:
- IEEE 802.3z
- Supports Full-Duplex operations
SFP transceivers supported
- DEM-310GT (1000BASE-LX, 10km)
- DEM-311GT (1000BASE-SX, 550m)
- DEM-314GT (1000BASE-LH, 50km)
- DEM-315GT (1000BASE-ZX, 80km)
- DEM-312GT2 (1000BASE-SX, 2km)
- DEM-210 (100BASE-FX, 15km)
- DEM-211 (100BASE-FX, 2km)
WDM Transceivers Supported:
- DEM-330T (1000Base-BX,TX-1550/RX-
1310nm, 10km)
- DEM-330R (1000Base-BX,TX-1310/RX-
1550nm, 10km)
- DEM-331T (1000Base-BX,TX-1550/RX-
1310nm, 40km)
- DEM-331R (1000Base-BX,TX-1310/RX-
1550nm, 40km)
- DEM-220T (100Base-BX, TX-1550/RX-
1310nm, 20km)
- DEM-220R (100Base-BX, TX-1310/RX-
1550nm, 20km)
D-Link Web Smart Switch User Manual
Physical & Environment
AC input, 100~240
internal universal power supply
Acoustic Value:
- DES-1228: 0dB (Fan-less).
Operation Temperature 0~40°C
Storage Temperature -10~70°C
Operation Humidity: 10%~95% RH
Storage Humidity: 5%~95% RH

Emission (EMI) Certifications

FCC class A
CE Class A
VCCI Class A

Safety Certifications

cUL, LVD

Features

L2 Features

Supports up to 8K MAC address
IGMP snooping: supports 256 multicast
group
802.1D Spanning Tree
802.1w Rapid Spanning Tree
Loopback Detection
802.3ad Link Aggregation: up to 8 groups
per device, up to 8 ports per group
Port mirroring

VLAN

802.1Q VLAN standard (VLAN Tagging)
Up to 256 static VLAN groups
Asymmetric VLAN
Management VLAN
Auto-Voice VLAN

QoS (Quality of Service)

802.1p priority, DSCP priority queue
mapping
Up to 4 queues per port
Supports Strict / WRR mode in queue
handling
Bandwidth Control

Security

802.1X port-based access control
Port Security
IP and MAC ACL
Broadcast Storm Control
D-Link Safeguard Engine
Trusted Host
62
VAC, 50/60Hz,