DGS-1520 Series Gigabit Ethernet Smart Managed Switch Hardware Installation Guide
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Performance Specification
DGS-1520-52 130.95 Mpps
DGS-1520-52MP 139.88 Mpps
Priority Queues
Supports the following:
• Up to 8 Priority Queues per port
Physical Stacking
Supports the following:
• Physical stacking through the last 4 ports on the front panel
• Stacking configurations: 2-port 10GBASE-T, 2-port SFP+, or 4-port
• Linear/Ring bi-directional redundant stacking topologies
• Up to 40 Gbps or 80 Gbps full-duplex bandwidth
• Up to 8 physical units per stack
• Backup master for redundancy
• Inter-stacking trunking and mirroring
Virtual Stacking
(Clustering)
Supports the following:
• D-Link Single IP Management (Version 1.6)
• Manage Up to 32 devices in a virtual stack with a single IP address
Port Type Specifications
Feature Description
Console Port
The RJ45 console port provides out-of-band access to the CLI using the following
settings:
Baud Rate
115200 (default), 19200, 38400, and 9600 bps
Data Bits
8
Stop Bit
1
Parity
None
Flow Control
None
RJ45 Ports
The RJ45 Ethernet ports provides in-band access to the CLI and Web UI,
interconnect nodes, and support the following standards and features:
Standards IEEE 802.3 (10BASE-T)
IEEE 802.3u (100BASE-TX)
IEEE 802.3ab (1000BASE-T)
IEEE 802.3bz (2.5GBASE-T) (28MP/52MP Only)
IEEE 802.3an (10GBASE-T)
IEEE 802.3az (Energy-Efficient Ethernet)
IEEE 802.3x (Full-Duplex, Flow Control)
The following features are supported on the RJ45 ports:
• Half/Full-Duplex operations on 10BASE-T and 100BASE-TX ports
• Back Pressure for Half-Duplex mode
• Head-of-line blocking prevention
• Manual/auto MDI/MDIX configuration
• Auto-Negotiation for each port
SFP+ Ports
The SFP+ transceiver ports provides in-band access to the CLI and Web UI,
interlink network segments, and support the following standards and features:
Standards IEEE 802.3z (1000BASE-X)
IEEE 802.3ah (1000BASE-BX10)
IEEE 802.3ae (10GBASE-R)