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CONNECTIONS
■ All connections are made through the 50-pin amphenol connector on the back panel
TA 750/850/1500.
ELECTRICAL CODE COMPLIANCE
The Quad FXS and Quad FXO are to be installed in restricted access locations and in equipment
with a Type “B” or “E” installation code.
Code Input Output
IC A –
TC – X
PC C C
APPLICATIONS
This device complies with Part 15 of the FCC rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by ADTRAN could void the user’s authority to
operate this equipment.
PRICING AND AVAILABILTY 800.827.0807
TECHNICAL SUPPORT 888-4ADTRAN
RETURN FOR REPAIR 256.963.8722
www.adtran.com
TOTAL ACCESS 750 QUAD FXS/FXO
MODES OF OPERATION
Note: Signaling states are provisioned through the BCU.
FXS
■
FXS Loop Start (default)
■
FXS
Ground Start
■
TR-08 Single Party
■
TR-08 Universal Voice Grade
■
DPO
■
Tandem (E & M)
FXO
■
FXO Loop Start (default)
■
FXO
Ground Start
■
DPT
ATTENUATION LEVELS
0 dB to -9 dB
FXS
■
Short loop default: -6 dB Transmit, –3 dB Receive
■
Long loop default: -3 dB Transmit, –3 dB Receive
FXO
■
Default
0 dB Transmit, 0 dB Receive
IMPEDANCE SETTINGS
FXS
600 Ω
900 Ω
600 Ω + 2.16 µF (short loop default)
900 Ω + 2.16 µF (long loop default)
FXO
900 Ω + 2.16 µF
WARRANTY
Warranty for Carrier Networks products manufactured by ADTRAN and supplied under
Buyer's order for use in the U.S. is ten (10) years. For a complete copy of ADTRAN's U.S.
Carrier Networks Equipment Warranty: (877) 457-5007, Document 414.
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