Filter
Top Products
COMSPHERE 3550 Series Data Service Units
1-8 February 1995 3550-A2-GB20-10
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 support +2.3, –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
AT&T Paradyne’s Customer Assistance Center is
available 24 hours a day to help you place an installation
request, report a hardware or software problem, or place a
trouble report. The center provides technical support and
remotely diagnoses equipment problems Monday through
Friday, between the hours of 8 a.m. and 8 p.m. EST,
excluding holidays. You can also call the center if you
participate in the on-site support program (refer to the
Enhanced Support Services section) or if you would like
to request support on a time and materials basis.
Call the following toll-free number to reach the
Customer Assistance Center:
1-800-237-0016
NOTE
Effective January 1, 1995, the
Customer Assistance Center is
available to provide technical
support 24 hours a day, 365 days
a year.
Equipment Service
To obtain service under your warranty, call the
Customer Assistance Center at the number listed above.
Please have the following information available before
you call:
Company Name and Address
Contact Name and Telephone Number
Shipping Address, if different from the company
address
Billing Address, if different than the shipping
address
Model Number and Serial Number of the unit
A brief description of the problem
The Customer Assistance Center will verify that the
equipment is in need of repair. You are provided a Return
Materials Authorization (RMA) number to help expedite
the repair request. Once you receive an RMA number,
pack the unit securely and ship the package insured and
postage prepaid to:
AT&T Paradyne Corporation
Customer Support
Attn: Repair Center
8550 Ulmerton Road, Building B
Largo, Florida 34641
Make sure the RMA number is in a visible location on
the outside of the package.