
Total Access 900 Series Hardware Installation Guide FCC-Required Information
61210916L1-34G Copyright © 2010 ADTRAN, Inc. 5
FCC-Required Information
FCC regulations require that the following information be provided in this manual:
1. This equipment complies with Part 68 of Federal Communications Commission (FCC) rules and 
requirements adopted by America’s Carriers Telecommunications Association (ACTA). Each 
registered interface has a label that contains, among other information, a product identifier in the 
format US:AAAEQ##TXXXX. If requested, provide this information to the telephone company.
2. If this equipment causes harm to the telephone network, the telephone company may temporarily 
discontinue service. If possible, advance notification is given; otherwise, notification is given as 
soon as possible. The telephone company will advise the customer of the right to file a complaint 
with the FCC.
3. The telephone company may make changes in its facilities, equipment, operations, or procedures 
that could affect the proper operation of this equipment. Advance notification and the opportunity 
to maintain uninterrupted service are given. 
4. If experiencing difficulty with this equipment, please contact ADTRAN for repair and warranty 
information. The telephone company may require this equipment to be disconnected from the 
network until the problem is corrected, or it is certain the equipment is not malfunctioning.
5. This unit contains no user-serviceable parts.
6. This equipment is designed to connect to the telephone network or premises wiring using an 
FCC-compatible modular jack, which is compliant with Part 68 and requirements adopted by ACTA.
7. The following information may be required when applying to the local telephone company for 
leased line facilities:
8. The ringer equivalency number (REN) is useful in determining the quantity of devices you may 
connect to your telephone line and still have all of those devices ring when your number is called. 
In most areas, the sum of the RENs of all devices should not exceed five. To be certain of the 
number of devices you may connect to your line as determined by the REN, call your telephone 
company to determine the maximum REN for your calling area.
9. This equipment may not be used on coin service provided by the telephone company. Connection 
to party lines is subject to state tariffs. Contact your state public utility commission or corporation 
commission for information.
Product Registration
Number Service Type REN/SOC FIC USOC
Total Access 
904/908
T1 Products US: HDCDENAN4213680L1
1.544 Mbps - SF
1.544 Mbps - SF and B8ZS
1.544 Mbps - ESF
1.544 Mbps - ESF and B8ZS 0.1B/6.0N
04DU9-BN
04DU9-DN
04DU9-1KN
04DU9-1SN
RJ-48C
Total Access 
904/908
T1 plus ADSL 
Products US: HDCDL01B4210908L4 ADSL, ADSL2, ADSL2+ Modem Metallic RJ-48C
Total Access 
912/916/924
T1 Products US: HDCDENAN4213616L1
1.544 Mbps - SF
1.544 Mbps - SF and B8ZS
1.544 Mbps - ESF
1.544 Mbps - ESF and B8ZS
N/A/6.0N
04DU9-BN
04DU9-DN
04DU9-1KN
04DU9-1SN
RJ-48C
Total Access 
924withoptional
FXO ports Analog Loop Start/Ground Start 0.0B/9.0F 02LS2
02GS2 RJ-21X