Specifications

System Description
1-2 Overview
Hardware Features
The semi-modular XSR, shown in Figure 1-2, comes equipped with the following features:
• Compact chassis (2.5” high by 14“wide by 10.625“deep with feet attached) that you can stack
five high and optionally mount in a standard 19” rack or custom Enterasys rack-mount kit
• 90 - 265 VAC external power supply with country-specific line cords
• IBM PowerPC 405GP embedded processor (280 MIPS) with integrated memory controller
Figure 1-2 XSR-1805
• Two Network Interface Module (NIM) slots for these optional cards:
• 1, 2, or 4 full, fractional and channelized T1/E1 WAN NIM with integral CSU/DSU or
Primary Rate Interface (PRI) ports (RJ-48C).
• 1-port T3/E3 channelized/unchannelized WAN NIM with BNC ports. This NIM is also
available with up to 16 T1/E1 tributaries and system synchronization of two NIMs.
• High-speed serial port for up to 230 Kbps asynchronous and 8 Mbps synchronous WAN
NIM for leased and dial lines (68-pin serial) with universal connector supporting X.21, V.35,
RS422 and EIA530.
• 1- or 2-port serial Basic Rate Interface (BRI) WAN NIM for S/T (RJ-45) or U ports (RJ-49C).
• 1-port Annex A (POTS)/C or B (ISDN) ADSL WAN NIMs with RJ-11 connector with
CompactFlash card.
• 2-port T1/E1 Drop and Insert WAN NIM with RJ-45 connectors.
• 1-port Copper or Fiber Ethernet LAN or WAN NIM with an RJ-45 or MT-RJ multi-mode
interface.
• Two 10/100BaseT FastEthernet LAN connectors.
Note: The third NIM card slot is not used.
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