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DM87S185J
DM87S185J - Brand New Panduit IC Chips
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
Product Details
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[ DAVICOM ]
General Description
The DM8108 is an 8 port 10/100Mbit/s nonblocking Ethernet switch with on-chip address-lookup engine. The DM8108 provides a low-cost, high-performance switch solution with PHYs and single SGRAM.
Features
■ Low cost Fast Ethernet Switching Controller.
• Provide packet switching functions between eight 10/100Mbps, auto-negotiated
on-chip Fast Ethernet ports and a proprietary Full-duplex Expansion port.
• Cascade max. 8 DM8108s without extra glue logic for 64-port configuration.
■ Incorporates three 802.3 compliant 10/100Mbps Media Access Controllers
• Direct interface to MII (Media Independent Interface)
• Half/Full Duplex Support for individual port (upto 200Mbps/port)
• IEEE 802.3 100Base-TX, T4.FX compatible
■ Auto-negotiation supported through Serial MII interface
■ High-performance Distributed Switching Engine
• Performs packet forwarding and filtering at full wire-speed
• 148,800 packets/sec. on each Ethernet port
■ Direct support for packet buffering
• Glue-less interface with 1 or 2 Mbytes of SDRAM (SGRAM)
• 32 bit memory bus configuration
• 66 Mhz – 90Mhz memory bus speed
• Up-to 1.1K buffers, 1536-byte each, allocated to receive ports
■ Support Store and Forward switching approach
• Low last-bit to first-bit out delay
• Allow mixed speed Ethernet packet switching
• Allow conversion between different protocols
■ Flow control
• Support partitioning function
• Support back-pressure while lack of internal resources
• Support 802.3x PAUSE function in full duplex mode
• Support up to 4-port trunking for 800Mbps bandwidth
■ Advanced Address Learning and Searching
• Self learning mechanism
• Cache 128 address entries internally
• Record up-to 16K Uni-cast MAC addresses and unlimited Multicast and
Broadcast addresses
• Automatic aging scheme
• Broadcast filtering rate control
■ Expansion Bus
• Up-to 8 SW devices can be cascaded via expansion bus without extra logic
• Full duplex mode transfer
• Less Bus overhead
• Automatic flow control
■ Complete status report to a simple LED interface
■ Suitable for low cost Switch market to replace Hub
■ 0.35m process, 3.3V with 5V tolerant I/O
■ 208-pin PQFP package
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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