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This media and rate converter line card features a 10/100/1000T twisted pair port and an optical SFP port. The twisted pair has an RJ-45 connector and a maximum operating distance of 100 meters (328 feet) when connected to an Ethernet or Fast Ethernet or Gigabit Ethernet device. They operate in full or half-duplex mode, and allow you to build an affordable network, avoiding the cost of terminatiang fiber cables. The AT-CM3K0S has a SFP port supporting both Fast Ethernet and Gigabit operation, allowing a choice of multi/single mode, dual/single fiber SFP modules.

- Converts speed as well as media type

- Extends Ethernet and Fast Ethernet and Gigabit Ethernet networks

- Supports IEEE 802.3ah ‘Ethernet in the First Mile’

- Support MissingLink™ and Smart MissingLink™

- Transparent to IEEE 802.1Q VLAN packets

- Jumbo Frame Support

- Rate Limiting

- Low Power Mode

- Supports Dying Gasp

- Automatic address learning and aging

- Managed, or Unmanaged operation

- Auto MDI/MDI-X

- Auto-Negotiation (IEEE 802.3u-compliant)

- Store and forward data packet handling

- Supports 100 and 1000Mbps SFPs

- System and port LEDs

- Line card for all Converteon™ series chassis

- Limited lifetime warranty
Cabling technology10/100/1000T
CertificationFCC, EN-55022, VCCI, C-Tick, CE.
Compliance industry standardsIEEE 802.3u, IEEE 802.3z, IEEE 802.3ab, IEEE 802.3ah
Connectivity technologyWired
Data transfer rate (max)1000 Mbit/s
Dimensions (WxDxH)22 x 73 x 130 mm
Full duplexYes
MAC address table1000 entries
Mean time between failures (MTBF)1530000 h
Operating altitude0 - 3048 m
Operating relative humidity (H-H)5 - 95 %
Operating relative humidity range5 - 95 %
Operating temperature (T-T)0 - 40 °C
Operating temperature range (T-T)0 - 40 °C
Packet transfer speed14880, 148800, 1488000 pps
Power consumption (typical)6 W
SafetyUL 60950-1 (cULUS), EN-60950-1 (TUV), EN-60825
Storage relative humidity (H-H)5 - 95 %
Storage relative humidity range5 - 95 %
Storage temperature (T-T)-25 - 70 °C
Storage temperature range (T-T)-25 - 70 °C
Weight113 g
ManufacturerAllied Telesis

Allied Telesis AT-CM3K0S

£253.02 Inc VAT.


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AT-CM3K0S - 10/100/1000T to 100/1000X SFP Converteon media and rate converter line card with OAM and Jumbo Frame support, 6 W More details


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Great service - ordered one day - delivered the next - at a great price what more could you ask for?
1 day ago
External Car5e cable bought to replace an external link that used internal cable and had finally gone down after three years. Cable appears to be of good quality and the external sheathing is stiffer and more substantial than the previous cable. Time will tell.
1 day ago
Great service n on time delivery. Will definitely use this company again.Michael @ Carylls Country House
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