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IBM 8265: Product Description
12-Port 25Mbps Module
The 12-port 25Mbps module (Feature Code 5012) is a single-slot module that uses
RJ-45 connectors, enabling the building of large ATM workgroups or a smooth
evolution from Legacy LAN to ATM networks.
The module has the following characteristics:
•
Twelve ports operating at up to 25Mbps to connect to stations, servers, hubs, or
switches. Each port may connect to:
– A concentrator with up to twelve workstation connections
– An ATM bridge with either up to four Token-Ring (N station) connections or up
to four Ethernet connections
– An ATM or multimedia workstation that requires a high bit rate
– A UNI, PNNI, or IISP device using a supported interface.
•
Physical interface: twisted pair cables with RJ-45 connectors
•
Workstation and server connections of up:
– 100 meters (329 ft.) on 100 ohm UTP Category 3 cable
– 255 meters (837 ft.) on 150 ohm STP cable.
•
A 1-port 155Mbps daughter card can be added as a feature. This card allows the
attachment of the module to a server or ATM backbone via a multimode fiber
cable. This port supports all types of interface: UNI, PNNI, and IISP, and allows
port-to-port connections of up to 2.2 kilometers (1.36 miles), depending on the
quality of the cabling used.
•
Up to four modules can be used in the 8265 (slots 1, 3, 5, and 7).
For further information, refer to page 56.
Figure 11 on page 35 shows the faceplate of the module.
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