ADTRAN has established a Year 2000 program to ensure that our products will correctly function in the new millennium. ADTRAN warrants
that all products meet Y2K specifications regardless of model or revision.
Information about ADTRAN’s Y2K compliance program is available at
the following locations:
Y2K plans and product certifications are
listed in the matrix
(256) 963-2200
year2000@adtran.com
.
iii
FCC regulations require that the following information be provided to the customer in this manual.
1.This equipment complies with Part 68 of the FCC rules. The
required label is attached to the bottom of the chassis.
2.If your TSU RM causes harm to the telephone network, the Telephone Company may discontinue your service temporarily. If
possible, they will notify you in advance. If advance notice is not
practical, you will be notified as soon a s possible. You will be
advised of your right to file a complaint with the FCC.
3.Your telephone company may make changes in its facilities,
equipment, operations, or procedur es that could af fect the proper
operation of your equipment. If they do, you will be given
advance notice so as to give you an opportunity to maintain
uninterrupted service.
4.If you experience trouble with the TSU RM, please contact
ADTRAN at (256) 963-8000 for repair/ warranty information.
The telephone company may ask you to disconnect th is equipment from the network until the problem has been corrected, or
until you are sure the equipment is not malfunctioning.
5.This unit contains no user serviceable parts.
6.An FCC compliant telephone cord and modular plug is provided
with this equipment. This equipment is designed to be connected to the telephone network or premises wiring using a compatible modular jack which is Part 68 compliant. See installation
instructions for details.
7.The following information may be required when applying to
your local telephone company for leased line facilities.
Service TypeSOCFICUSOC
1.544 Mbps - SF6.0F04DU9-BNRJ48C
1.544 Mbps - SF and B8ZS6.0F04DU9-DNRJ48C
1.544 Mbps - ESF6.0F04DU9-1KNRJ48C
1.544 Mbps - ESF6.0F04DU9-1SNRJ48C
iv
FEDERAL COMMUNICATIONS COMMISSION
RADIO FREQUENCY INTERFERENCE STATEMENT:
This equipment has been tested and found to comply with the limits for
a Class A digital device, pursuant to Part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio frequencies. Operation of this equipment in a residential area is likely to cause harmful
interference, in which case the user will be required to correct the interference at his own expense.
Shielded cables must be used with this unit to ensure compliance with
Class A FCC limits.
Changes or modifications to this unit not expressly approved by
the party responsible for compliance could void the user’s authority to operate the equipment.
v
CANADIAN EQUIPMENT LIMITATIONS
The Industry Canada Certification label identifies certified equipment. This certification means that the
equipment meets certain telecommunications network
protective, operational, and safety requirement s. The
Department does not guarantee the equipment will operate to the user's satisfaction.
Before installing this equipment, users should ensure that it is permissible to be connected to the facilities of the local telecommunications company. The equipment must also be installed using an
acceptable method of connection. In some cases, the company's
inside wiring associated with a single line individual service may be
extended by means of a certified connector assembly (telephone
extension cord). The c ustomer should be aware that compliance with
the above conditions may not preven t degrad ation of service in some
situations.
Repairs to certified equipment should be made by an authorized
Canadian maintenance facility designated by the supplier. Any
repairs or alterations made by the user to this equipment, or equipment malfunct ions, may give th e telecommuni cations compan y cause
to request the user to disconnect the equipment.
Users should ensure for their own protection that the electrical
ground connections of the power utility, telephone lines and internal
metallic waterpipe system, if present, are connected together. This
precaution may be particularly important in rural areas.
Users should not attempt to make such connections themselves, but should contact the appropriate electric inspection
authority, or an electrician, as appropriate.
vi
IMPORTANT SAFETY INSTRUCTIONS
When using telephone equipment, please follow these basic
safety precautions to reduce the risk of fire, electrical shock,
or personal injury
1.Do not use this product near water, such as a bathtub, wash bowl,
kitchen sink, laundry tub, in a wet basement, or a swimming pool.
2.Avoid using a telephone (other than a cordless type) during an electrical storm. There is a remote risk of shock from lightning.
3.Do not use the telephone to report a gas leak in the vicinity of the
leak.
4.Use only the power cord, power supply, and/or batteries indicated
in the manual. Do not dispose of batteries in a fire. They may
explode. Check with local codes for special disposal instructions.
SAVE THES E IN STRUC TI ON S
vii
Warranty and Customer Service
ADTRAN will replace or repair this product within five years from
the date of shipment if the product does not meet its published specifications or if it fails while in service. For detailed warranty, repair,
and return information, see the ADTRAN Equipment Warranty and
Repair and Return Policy Procedure.
Return Material Authorization (RMA) is required prior to returning
equipment to ADTRAN.
For Service, RMA requests, or more information, contact one of the
numbers found at the inside back page of this manual.
The ADTRAN T1 Data Service Unit (TSU), in either the standalone o r
the rackmount (RM) version for the Smart 1 6 shelf, provides a reliable,
high-speed data connection from customer synchronous data terminal equipment (DTE) through T1/FT1 lines.
The TSU serves as the link between user data sources such as LAN
bridges and routers, computers, CAD systems, and teleconferencing
equipment. The amount of bandwidth allocated to the port is userprogrammable at Nx56 or Nx64 kbps wher e N = 1 to 24. The DTE data
can occupy contiguous or alternate channels in the T1 stream and the
channels may start at any position. The DTE port provides a V.35 electrical and physical interface.
The network interface may be either D4 superframe format (SF) or extended superframe format (ESF) and the line code may be straight
B8ZS
or
of the T1 are filled with all
. In the case of a fractional connection, the unused channels
1s
idle code.
AMI
The TSU Network diagram is show n in Figure 1-1 on page 1-2.
61202077L1-20TSU RM with V.35 User Manual1-1
Chapter 1. Introduction
Data
Terminal
Equipment
T
SMART 16
S
Shelf
U
R
M
TSU
Data
Terminal
Equipment
T1
T1
T1
Network
Figure 1-1. TSU Network Diagram
1-2TSU RM with V.35 User Manual61202077L1-20
Chapter 2
The TSU RM consists of two cards. The first is the TSU main ca rd,
which has a front panel with nine LED indicators. The second card is
the TSU interface, which mounts on the r ear o f th e shelf and con t ains
all the jacks necessary for connection to the network, test jacks, and the
DTE connector.
Physical Description
FRONT PANEL
The front panel of the TSU contains nine LE D indica tors tha t provide
DTE interface, network, test, status and utility information. These indicators are shown in Figure 2-1.
Figure 2-1. TSU Front Panel
61202077L1-20TSU RM with V.35 User Manual2-1
Chapter 2. Physical Description
OK Status (green)
OK LED
The
were passed, the LED is On.
indicates the result of the last self-test. If all the tests
DTE Status (green)
TD
Transmitted data from the DTE
RD
Received data from the TSU
RS
Request-to-send from the DTE
CS
Clear-to-send from the TSU
The active state for the status indicators (RS and CS ) is On,
while the on state for the data indicators (TD and RD)
represents a change in state from low to high.
Error/Alarm Status (red)
ERR
On
indicates that CRC errors (in ESF), bipolar violations (BPVs), or
frame bit errors have occurred within the last second.
ALM
On
indicates that one of the alarm conditions is currently active. See
Table 2-1 on page 2-3.
2-2TSU RM with V.35 User Manual61202077L1-20
Chapter 2. Physical Description
Table 2-1. Alarm Conditions
ALARMDESCRIPTION
LOSLoss of signal at NI
AISAlarm indicator signal (all 1s) received at NI
OOFOut of frame at NI
YellowYellow alarm received at NI
PLL
Alarm
Phase locked loop alarm (unable to lock on
clock source)
Loopback Status (yellow)
LB
LB LED
The
line loopback, payload loopback, or DTE loopback, the
indicates the loopback status of the unit. If the TSU is in
Dial Backup Status (yellow)
DBU
DBU ON
indicates the unit is in Dial Backup mode.
LB LED
is ON.
61202077L1-20TSU RM with V.35 User Manual2-3
Chapter 2. Physical Description
REAR PANEL
The TSU rear panel is shown in Figure 2-2. The connectors are shown
in Table 2-2 on page 2-5.
Figure 2-2. TSU Rear Panel
2-4TSU RM with V.35 User Manual61202077L1-20
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