The ADTRAN DSU III AR is a technologically advanced, high performance data service unit/channel service unit (DSU/CSU). This unit provides a reliable interface between the digital data service (DDS) or 4-wire Switched 56 (SW56) network and the customer s data terminal equipment (DTE). The unit is an all-rate DSU/CSU supporting synchronous and asynchronous data rates on the primary channel.
General Information
Manufacturer:
Adtran
Manufacturer Part Number:
1200270L1
Manufacturer Website Address:
www.adtran.com
Brand Name:
Adtran
Product Line:
DSU III AR
Product Name:
DSU III AR DC CSU/DSU
Product Type:
DDS CSU/DSU
Technical Information
Operating Mode:
Point-to-Point
Multipoint
4-wire SW56
Diagnostic Features:
Network:
CSU and DSU loopbacks
User:
Local DTE and loop
Remote V.54
Test patterns:
2047, 511, DDS stress patterns 1-4
Interfaces/Ports
Electrical Interface:
EIA-232 DTE
Serial V.35 DTE
Media & Performance
Data Transfer Rate:
2.40 Kbps to 64 Kbps DTE
2.40 Kbps to 57.60 Kbps DTE
2.40 Kbps to 64 Kbps Dedicated Network
56 Kbps Switched Network
Controls/Indicators
Status Indicators:
16-character LCD display and seven LEDs
Power Description
Input Voltage:
20 V DC to 48 V DC
Power Consumption:
8 W
Environmental Conditions
Temperature:
32°F (0°C) to 122°F (50°C) Operating
-4°F (-20°C) to 158°F (70°C) Storage
Humidity:
Up to 95% Non-condensing Relative Humidity
Physical Characteristics
Dimensions:
2.40" Height x 8" Width x 10.40" Depth
Weight (Approximate):
3 lb
Miscellaneous
Additional Information:
Receiver Sensitivity:
-45 dB at all rates
Switched Mode Dialing Options:
Stored number
Front panel keypad
DTR dialing of stored number
In-band AT commands
V.25 bis in-band dialing
Data Buffering:
Internal slack buffer
Clocking:
Normal DDS or private network tributary slaved to network receive clock)
