1 • Introduction
Model 2960/2996 RAS Getting Started Guide
16
Hardware overview
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)
