Product Specifications
DSX-1 INTERFACE
■
Interface Type:
4-wire (Tx pair and Rx pair)
■
Operating Mode:
Full Duplex
■
Maximum Data Rate:
768 kbps (12 channels
x 64 kbps)
■
Line Equalization:
0-655 feet
■
Line Code:
AMI, B8ZS
■
Framing:
D4 ESF
■
Line Impedance:
100Ω
CHANNEL BANK FACILITY INTERFACE
■ Fully compatible with D4 channel bank
equipment
CLOCK SOURCES
■ Derived from channel bank
DIAGNOSTICS
■ Self Test
■ Near Loopback
■ Far Loopback
ENVIRONMENT
■
Operating (standard):
–40° to +70°C
■
Storage:
–40° to +85°C
■
Relative Humidity:
Up to 95%
non-condensing
PHYSICAL CHARACTERISTICS
■
Dimensions:
4.4" H, 1.4" W, 10" D
■
Weight:
8 ounces, nominal
■ Plugs into AT&T D4, SLC-96, or ADTRAN
ACT 1241 customer premises bank
■
Power:
5 Volts: 100µ max
■
–48 Volts:
40 mA max
■
Total Power:
2.0 W max
FACEPLATE INDICATORS
■ The FT1-TDM has four faceplate LEDs
which indicate operational status
FACEPLATE SWITCHES
■ Two DIP switches are located on the
FT1-TDM faceplate. Use these to activate
and deactivate far end loopback and near
end loopback. Use the twelve-position
rotary switch to select the number of
channels to be used.
Ordering Information
EQUIPMENT PART #
FT1-TDM...............................................1242052L1
Specifications subject to change without notice.
CORPORATE OFFICE
901 Explorer Boulevard
Huntsville, AL 35806
800 9ADTRAN
Local: 256 963-8000
Fax: 256 963-8699
Fax Back: 256 963-8200
http://www.adtran.com
email: info@adtran.com
TELCO TECHNICAL
SUPPORT
800 726-8663
REGIONAL OFFICES
Irvine, CA
800 788-5408
Denver, CO
800 471-8651
Atlanta, GA
800 332-6945
Kansas City, KS
800 471-8649
Philadelphia, PA
800 471-8656
Dallas, TX
800 471-8648
Canada
800 232-6811
ADTRAN is an ISO 9001
registered company.
Printed in U.S.A. on recycled paper
61242.052L1-8A May 1998
©ADTRAN, Inc. 1998
