ZyXEL IES1248-51 - ADSL2/2+ 48 Port Switch AC Power, 48-port Temperature-Hardened ADSL2+ Box DSLAM. The IES-1248-51A is an IP-based DSLAM that terminates all the ATM circuits and converts traffic directly to deliver the most popular broadband IP services. It also provides a distinct advantage over typical ATM-based DSL access system due to the fact that IP is the natural approach for data transmission. General Information

Interfaces/Ports
Number of Network (RJ-45) Ports 2

I/O Expansions
Number of Total Expansion Slots: 2
Expansion Slot Type: SFP (mini-GBIC)
Media & Performance:
Media Type Supported: Twisted Pair
Network Technology Supported: 100/1000Base-T 10Base-T
Maximum Data Transfer Rate: 1 Gbit/s

Physical Characteristics
Form Factor: Rack-mountable Desktop
Height: 2.6""
Width: 17.3""
Depth: 9.9""

Other Information
Number of SFP Slots: 2
Management Port: Yes
Number of RJ-11 Ports: 1
Number of RJ-21 Ports: 4
Connectivity Technology: Wired
Rack Width: 19""

Additional Information
1 x DB-9 Alarm Port
2 x Telco-50 are used to give 48 splitter card ports

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