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Hardware overview 14
Model 2960/2996 RAS User Manual 1 • Introduction
Signaling
Robbed-bit, R1, R2, Q.921/Q.931
Modems
Up to 48/60 (Model 2960) or 96/120 (Model 2996) V.92, V.90, K56Flex, V.34+, ISDN B-channel digital
calls (additional ports/functionality can be added by installing optional PMC expansion modules), or 64 kbps
and 56 kbps DOVBS (data over voice bearer services).
RS-232 control port
An RS-232 port provides for initial configuration of the RAS. The RS-232 port also supports:
• Asynchronous data at 19.2 kbps
• An RJ-45 connector with EIA-561 pinout
• A VT-100 console management interface
• Hardware CD and DTR signals for external modem support
Power system
• Fixed internal dual-redundant, load-sharing power supplies
• Universal-input voltage range, 90 to 260 VAC, 50/60 Hz
• Optional DC power supply with 36 to 72 VDC
• Power consumption: less than 35 watts.
Central processing unit
The 2960/2996 is powered by a RISC-based Intel model i80960VH processor operating at 100 MHz. The
CPU executes the LAN protocol, IP routing, WAN protocol, management and authentication software. It also
sup-ports:
• 4 Mbytes of FLASH memory
• 32 Mbytes of EDO DRAM
Temperature
Operating range: 32 to 104 °F (0 to +40 °C)
Altitude
Maximum operating altitude: 15,000 feet (4,752 meters)
Humidity
5 to 95% relative humidity (RH) at 122 °F (50 °C)