|
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 and asynchronous data rates on the
secondary channel. The synchronous primary channel rates supported are
2.4, 4.8, 9.6, 19.2, 38.4, 56, and 64 kbps. Asynchronous data rates
supported are 2.4, 4.8, 9.6, 19.2, 38.4 and 57.6 kbps. Secondary channel
data rates of 75, 150, 300, 600, 1200, and 2400 bps are offered
depending upon the primary channel rate.
The DTE interface can be selected as
either EIA-232 or V.35 for all data rates. The secondary channel
interface is EIA-232 and is accessed through a separate connector.
Additional features of the DSU III AR
include a DTE-to-service rate matching feature for both dedicated and
switched modes, as well as various anti-streaming time-out values, to
disable streaming terminals on a multi-point circuit. Private networks
and modem tail circuits are accommodated through clocking/timing
options.
In the 4-wire SW56 mode, dialing
options include manual dialing, redialing, and dialing of stored
numbers. Dialing over the DTE interface is supported by use of an AT
command set or the V.25 bis in-band dialing protocol.
The unit responds to standard loopback
commands from the telephone company central office. In addition, the
user has several built-in test capabilities. These include V.54 remote
loopback, 2047 and 511 BERT test patterns, and four DDS stress patterns
(results of which are displayed on a two-line by 16-character LCD
display and seven LEDs). The standalone unit's front panel keypad
supports setup, selection of test modes, local and remote configuration,
manual dialing, or automatic dialing from stored numbers.
The rackmount unit can be configured
through the Smart 16/16e shelf controller card, from a local/remote VT
100 terminal or from an ADTRAN DATAMATE. The DSU III AR can also be
configured using AT or V.25 bis commands. A DC version of the standalone
unit is also available. The DSU III AR dc supports all the functionality
of the DSU III AR, except secondary channel.
Features ADTRAN DSU III AR
- Support for rates from 2.4 to 64
kbps including 19.2 and 38.4 kbps
- Standalone or Smart 16/16e shelf
rackmount versions
- Compatible with DDS secondary
channel services; provides asynchronous secondary channel rates of 75
bps to 2.4 kbps
- Local and remote configuration (AT,
front panel, V.25 bis)
- Synchronous or asynchronous
(including 57.6 kbps) primary channel modes of operation
- Both EIA-232 and V.35 primary
channel DTE interfaces
- DTE-to-service rate matching feature
allows slower DTE devices to communicate over higher speed service
offerings
- Manual, DTR Dial, At commands, V.25
bis, or stored number dialing capabilities
- Auto answer of incoming calls
- Standard 5 year warranty
REAR PANEL ADTRAN DSU III AR
Product Specifications ADTRAN DSU III AR
Operating Modes
- Dedicated DDS (point-to-point,
multi-point)
- Switched 56 (4-Wire)
Network Data Rates
- Dedicated mode service rates:
2.4, 4.8, 9.6, 19.2, 38.4, 56 and 64 kbps.
- Switched mode service rate: 56
kbps
DTE Rates
- DTE-to-loop rate matching in
both dedicated and switched modes
- Synchronous rates: 2.4, 4.8,
9.6, 19.2, 38.4, 56, and 64 kbps
- Asynchronous rates: 2.4, 4.8,
9.6, 19.2, 38.4, and 57.6 kbps
DTE Interface
- Both EIA-232 and V.35 electrical
and physical primary channel DTE interfaces
- EIA-232 secondary channel
interface
Switched Mode Dialing Options
- Stored number
- Front panel keypad (standalone
only)
- DTR dialing of stored number
- In-band AT commands
- V.25 bis in-band dialing
Data Buffering
Clocking
- Normal DDS or private network
tributary (slaved to network receive clock)
- Private network master
(internal)
- Normal DDS with tail circuit
- Private network master (slaved
to external clock)
Diagnostics
Network
User
- Local DTE and loop
- Remote V.54
Test patterns
- 2047, 511, DDS stress patterns
1-4
Receiver Sensitivity
|
Agency Approvals
- FCC Part 15, Class A
- FCC Part 68
- Industry Canada CS03
- UL and CUL
Environment
Operating
- 0° to 50°C (32° to 122°F)
Storage
- -20° to 70°C (-4° to 158°F)
Relative Humidity
- Up to 95%, non-condensing
Physical
Dimensions
- Standalone: 2.25" H, 8.75" W,
10.25" D
- Rackmount: 1" H, 6.75" W, 10.50"
D
- Standalone (dc): 2.4" H, 8" W,
10.4" D
Weight
Standalone
Rackmount
Power
AC Standalone
DC Standalone
SPECIFICATIONS
SUBJECT TO CHANGE WITHOUT NOTICE. |
Ordering Information
- DSU III AR standalone -
1202011L1
- DSU III AR rackmount -
1200034L1
- DSU III AR dc standalone -
1200270L1
|
