COMSPHERE 3550 Series Data Service Units
1-8
July 1999
3550-A2-GB20-40
Table 1-4
2-Port TDM/Flex Technical Specifications
Specifications
Criteria
APPLICATION
Multiplexing
Digital sharing
Provides time division multiplexing of two independent ports.
Allows consecutive ports to share the same TDM/Flex channel.
PORT SYNCHRONOUS RATES
1.2, 2.4, 4.8, 9.6, 12.0, 14.4, 19.2, 48, 56, and 64 kbps
PORT ASYNCHRONOUS RATES
150, 300, 600, 1200, and 1800 bps plus all primary (DSU) rates.
Asynchronous rates s2.3, –2.5 percent overspeed/
underspeed compensation.
PORT DTE INTERFACE
3550 DSU (2-port TDM/Flex)
Provides an additional 25-pin D-subminiature connector for a total of two
EIA-232 or V.35 interfaces.
NMS SUPPORT
TDM/Flex capability is fully supported by Release 4.0 or greater
COMSPHERE 6700 Series NMS.
Equipment Warranty
and Support
Contact your sales or service representative directly for
any help needed. For additional information concerning
warranty, sales, service, repair, installation,
documentation, or training, use one of the following
methods:
•
Via the Internet: Visit the Paradyne World Wide
Web site at http://www.paradyne.com
•
Via Telephone: Call our automated call system to
receive current information via fax or to speak with
a company representative.
— Within the U.S.A., call 1-800-870-2221
— Outside the U.S.A., call 1-727-530-2340
Summary of Contents for COMSPHERE 3550 Series
Page 4: ...COMSPHERE 3550 Series Data Service Units C July 1999 3550 A2 GB20 40 Notices...
Page 12: ...COMSPHERE 3550 Series Data Service Units vi July 1999 3550 A2 GB20 40...
Page 68: ...COMSPHERE 3550 Series Data Service Units 4 22 July 1999 3550 A2 GB20 40...
Page 98: ...COMSPHERE 3550 Series Data Service Units 5 30 July 1999 3550 A2 GB20 40...
Page 100: ...COMSPHERE 3550 Series Data Service Units A 2 July 1999 3550 A2 GB20 40...
Page 101: ...DSU Menu A 3 3550 A2 GB20 40 July 1999...
Page 108: ...COMSPHERE 3550 Series Data Service Units B 6 July 1999 3550 A2 GB20 40...
Page 122: ...COMSPHERE 3550 Series Data Service Units C 14 July 1999 3550 A2 GB20 40...
Page 129: ...Pin Assignments D 7 3550 A2 GB20 40 July 1999 Figure D 5 EIA 232 D Crossover Cable 4951 035F...
Page 134: ...COMSPHERE 3550 Series Data Service Units E 4 July 1999 3550 A2 GB20 40...