T1 CSU ACE
Part Number 1203022L1
Document Number 61203022L1-1B
August 2004
Trademarks
Any brand names and product names included in this manual are
trademarks, registered trademarks, or trade names of their respective
holders.
To the Holder of the Manual
The contents of this manual are current as of the date of publication.
ADTRAN reserves the right to change the contents without prior
notice.
In no event will ADTRAN be liable for any special, incidental, or
consequential damages or for commercial losses even if ADTRAN
has been advised thereof as a result of issue of this publication.
901 Explorer Boulevard
P.O. Box 140000
Huntsville, AL 35814-4000
Phone: (256) 963-8000
©2004 ADTRAN, Inc.
All Rights Reserved.
Printed in U .S.A.
Notes provide additional useful information.
Cautions signify in formation t hat could prevent servi ce
interruption.
Warnings provide information that could prevent
damage to the equipment or endangerment to
human life.
Safety Instructions
When using your telephone equ ipment, please foll ow these basic saf ety
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 near a swimming pool.
2. Avoid using a telephone (other than a cordless-type) during an
electrical storm. Ther e is a r emote ri sk of sh ock fro m lig htning .
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 code s for speci al disposal
instructions.
Save These Important Safety Instructions
3
Affidavit Requirements for Connection to Digital
Services
• An affidavit is required to be given to the telephone company
whenever digital terminal equipment without encoded analog
content and billing protection is used to transmit digital signals
containing encoded analog content which are intended for
eventual conversi on into voiceband analog signals and tr ansmitted
on the network.
• The affidavit sha ll affirm that either no enco ded analog cont ent or
billing information is being transmitted or that the output of the
device meets Part 68 en coded anal og conte nt or bil ling protec tion
specifications.
• End user/customer will be res pons ible for filing an affidavit wit h
the local exchange ca rrier when conn ecting unprot ected customer
premise equipment (CPE) to 1.544 Mbps or subrate digital
services.
Until such time as subrate digital terminal equipment is registered for
voice applications, the affidavit requirement for subrate services is
waived.
4
Affidavit for Connection of Customer Premises Equipment
to 1.544 Mbps and/or Subrate Digital Services
For the work to be performed in the certified territory of ___________________ (telco name)
State of ________________
County of ________________
I, _______________________ (name), ______________________ ______________ (business address),
____________________ (telephone number) being duly sworn, state:
I have responsibility for the operatio n a nd maintenance of the terminal equipment to be connected to
1.544 Mbps and/or ________ subrate digital services. The terminal equipment to be connected complies
with Part 68 of the FCC rules except for the encoded analog content and billing protection specifications.
With respect to encoded analog content and billing protection:
( ) I attest that all operations associated with the establishment, maintenance, and adjustment of the digital
CPE with respect to analog content and encoded billing protection information continuously complies
with Part 68 of the FCC Rules and Regulations.
( ) The digital CPE does not transmit digital signals containing encoded analog content or billing information
which is intended to be decoded within the te le co mmunications network.
( ) The encoded analog content and billing protection is factory set and is not under the control of the
customer.
I attest that the operator(s)/maintainer(s) of the digital CPE responsible for the establishment,
maintenance, and adjustment of the encoded analog content and billing information has (have) been
trained to perform these functions by successfully having completed one of the following (check
appropriate blocks):
( ) A. A training course provided by the manufacturer/grantee of the equipment used to encode analog
( ) B. A training course provided by the customer or authorized representative, using training materials
( ) C. An independent training course (e.g., trade school or technical institution) recognized by the
( ) D. In lieu of the preceding training requirements, the operator(s)/maintainer(s) is (are) under the
I agree to provide ______________________ (telco’s name) with proper documentation to demonstrate
compliance with the information as provided in the preceding paragraph, if so requested.
_________________________________Signature
_________________________________Title
_________________________________ Date
Transcribed and sworn to before me
This ________ day of _______________, _______
_________________________________
Notary Public
My commission expires:_________________________________
signals; or
and instructions provided by the manufacturer/grantee of the equipment used to encode analog
signals; or
manufacturer/grantee of the equipment used to encode analog signals; or
control of a supervisor trained in accordance with _________ (circle one) above.
5
FCC regulations r equire that the foll owing informat ion be provi ded in
this manual:
1. This equipment complies with P art 68 of FCC rules. On the
back of the equipment housing is a label showing the FCC
registration number an d ringer eq uivalence number (REN). 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 notif ication an d
the opportunity to maintain uninterrupted service are given.
4. If experiencing difficulty with this equipment, please cont ac t
ADTRAN for repair and warranty information. The
telephone company may require this equipment to be
disconnected from the net work until t he probl em is corr ec ted
or it is certain the equipment is not malfunctioni ng.
5. This unit contains no user-serviceable parts.
6. An FCC compliant telephone cord with a modular plug is
provided with this equipment. This equipment is designed to
be connected to the telephone network or premises wiring
using an FCC compatible modular jack, which is Part 68
compliant.
6
7. The following information may be required when applying to
the local telephone company for a dial-up line for the V.34
modem:
Service Type REN/SOC FIC USOC
1.544 Mbps - SF 6.0F 04DU9-BN RJ48C
1.544 Mbps - SF and
B8ZS
1.544 Mbps - ESF 6.0F 04DU9-1KN RJ48C
1.544 Mbps - ESF and
B8ZS
6.0F 04DU9-DN RJ48C
6.0F 04DU9-1SN RJ48C
8. The 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.
7
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 interferenc e when the equi pment is oper ated in a commer cial
environment. This equipment generates, uses, and can radiate radio
frequency ener gy and, if not i nstalled a nd used in accor dance 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
expres sly appr o ved by the part y r espons ible for
compliance could void the user’s authority to
operate the equipment.
8
Industry Canada Compliance Information
Notice: The Industry Cana da labe l appl ied to the p roduct (iden tified by
the Industry Canada logo or the “IC:” in front of the certification/
registration number) signifies that the Industry Canada technical
specifications were met.
Notice: The Ringer Equivalence Number (REN) for this terminal
equipment is supplied in the documentation or on the product labeling/
markings. The REN assigned to each terminal device indicates the
maximum number of terminals that can be connected to a telephone
interface. The termination on an interface may consist of any
combination of devices subject only to the requirement that the sum of
the RENs of all the devices should not exceed five (5).
Canadian Emissions Requirements
This digital apparatus does not exceed the Class A limits for radio
noise emissions from digital apparatus as set out in the interferencecausing equipment sta ndar d ent it l ed “Di git al Appar at us,” ICES-003 of
the Department of Communications.
Cet appareil numériqu e respecte les limites de b ruits radioelectriques
applicables aux appareils numériques de Class A prescrites dans la
norme sur le materiel brouilleur: “Appareils Numériques,” NMB-003
edictee par le ministre d es Communic ations.
9
Warranty and Customer Service
ADTRAN will repair and return this product within 5 years from the
date of shipment if it does not meet its published specifications or
fails while in service. For detailed warranty, repair, and return
information refer to the ADTRAN Equipment Warranty and Repair
and Return Policy Procedure.
Return Material Authorizat ion (RMA) is req uired prior to returning
equipment to ADTRAN.
For service, RMA request s, or further informati on, c ont act one of the
numbers listed at the end of this section.
LIMITED PRODUCT WARRANTY
ADTRAN warrants that for 5 years from the date of shipment to
Customer, all products manufactured by ADTRAN will be free from
defects in materials and workmanship. ADTRAN also warrants that
products will conform to the applicable specifications and drawings
for such products, as contained in the Product Manual or in
ADTRAN’s internal specifications and drawings for such products
(which may or may not be reflected in the Product Manual). This
warranty only applies if Customer gives ADTRAN written notice of
defects during the wa rranty peri od. Upon such noti ce, ADTRAN will,
at its option, either repair or replace the defective item. If ADTRAN
is unable, in a reasonable time , to repair or replace an y equipment to a
condition as warranted, Customer is entitled to a full refund of the
purchase price upon return of the equipment to ADTRAN. This
warranty applies only t o th e orig inal pu rchase r and is not trans ferab le
without ADTRAN’s express written permission. This warranty
becomes null and void if Customer modifies or alters the equipment
in any way, other than as specifically authorized by ADTRAN.
EXCEPT FOR THE LIMITED WARRANTY DESCRIBED
ABOVE, THE FOREGOING CONSTITUTES THE SOLE AND
EXCLUSIVE REMEDY OF THE CUSTOMER AND THE
EXCLUSIVE LIABILITY OF ADTRAN AND IS IN LIEU OF ANY
AND ALL OTHER WARRANTIES (EXPRESSED OR IMPLIED).
ADTRAN SPECIFICALLY DISCLAIMS ALL OTHER
10
WARRANTIES, INCLUDING (WITHOUT LIMITATION), ALL
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE. SOME STATES DO NOT ALLOW THE
EXCLUSION OF IMPLIED WARRANTIES, SO THIS EXCLUSION
MAY NOT APPLY TO CUSTOMER.
In no event will ADTRAN or its suppli ers b e li able to the Cu stomer for
any incidental, special, punitive, exemplary or consequential damages
experienced by either the Customer or a third party (including, but not
limited to, loss of data or information, loss of profits, or loss of use).
ADTRAN is not liable for dama ges for any caus e whatso ever ( whether
based in contract, tort, or otherwise) in excess of the amount paid for
the item. Some states do not allow the limitation or exclusion of
liability for incidental or consequential damages, so the above
limitation or exclusion may not apply to the Customer.
11
Customer Service, Product Support Information, and
Training
ADTRAN will repair and return this product if within 5 years from
the date of shipment the product does not meet its published
specification or the product fails while in service.
A return material authorization (RMA) is required prior to returning
equipment to ADTRAN. For service, RMA requests, training, or
more information, use the contact information given below.
Repair and Return
If you determine that a repair is needed, please contact our Customer
and Product Service (CAPS) department to have an RMA number
issued. CAPS should als o be contacted to obtain information
regarding equipment currently in house or possible fees associated
with repair.
CAPS Department (256) 963-8722
Identify the RMA number clearly on the package (below address),
and return t o the followi ng address:
ADTRAN Customer and Produc t Servi ce
901 Explorer Blvd. (East Tower)
Huntsville, Alabama 35806
RMA # _____________
Pre-Sales Inquiries and Applications Support
Your reseller should serve as the first point of contact for support. If
additional pre-sales support is needed, the ADTRAN Support web
site provides a variety of support services such as a searchable
knowledge base, latest product documentation, application briefs,
case studies, and a link to submit a question to an Applications
Engineer. All of this, and more, is available at:
http://support.adtran.com
12
When needed, further pre-sales assistance is available by calling our
Applications Engineering Department.
Applications Engineering (800) 615-1176
Post-Sale Support
Your reseller should serve as the first point of contact for support. If
additional support is needed, the ADTRAN Support web site provides
a variety of support services such as a searchable knowledge base,
updated firmware releases, latest product documentation, service
request ticket generation and trouble-shooting tools. All of this, and
more, is available at:
http://support.adtran.com
When needed, further post-sales assistance is available by calling our
Technical Support Center. Please have your unit serial number
available when you call.
Technical Support (888) 4ADTRAN
Installation and Maintenance Support
The ADTRAN Custom Extended Services (ACES) program offers
multiple types and levels of installation and maintenance services
which allow you to choose the kind of assistance you need. This
support is available at:
http://www.adtran.com/aces
For questions, call the ACES Help Desk.
ACES Help Desk (888) 874-ACES (2237)
Training
The Enterprise Network (EN) Technical Training Department offers
training on our most popular products. These courses include
overviews on product features and functions while covering
13
applications of ADTRAN’s product lines. ADTRAN provides a
variety of training opt ions, incl uding customi zed training an d courses
taught at our facilities or at your site. For more information about
training, please contact your Territory Manager or the Enterprise
Training Coordinator.
Training Phone (800) 615-1176, ext. 7500
Training Fax (256) 963-670 0
Training Email training@adtran.com
14
Table of Contents
List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Chapter 1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Unit Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Power Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Loopback. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Line Build Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Chapter 2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Setting the LBO switch positions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Wallmounting the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Powering the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Connecting to The Network and CPE. . . . . . . . . . . . . . . . . . . . . . . . 30
Test and Monitor Access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Monitor Jacks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Break-and-Test Jacks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Chapter 3 Troubleshooting and Maintenance . . . . . . . . . . . . . . 35
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Network LOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Equipment LOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Power On - Self Check Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
EPROM Checksum Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Chapter 4 Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Network and Customer Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Data Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Signal Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Output Amplitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Network Connector Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
61203022L1-1B T1 CSU ACE User Manual 15
Table of Contents
Customer Interface Connector Type . . . . . . . . . . . . . . . . . . . . . . .37
LED Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
PWR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
SYNC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Net LOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
NET MAN LB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
NET RMT LB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
EQ LOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
EQ MAN LB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
EQ RMT LB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Power. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Local Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Relative Humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
16 T1 CSU ACE User Manual 61203022L1-1B
List of Figures
Figure 1. T1 CSU ACE Applications. . . . . . . . . . . . . . . . . . . . . . . 21
Figure 2. T1 CSU ACE Block Diagram. . . . . . . . . . . . . . . . . . . . . 22
Figure 3. T1 CSU ACE Power Supply . . . . . . . . . . . . . . . . . . . . . 23
Figure 4. T1 CSU ACE LED Alarms. . . . . . . . . . . . . . . . . . . . . . . 24
Figure 5. T1 CSU ACE Loopback Switch and LED . . . . . . . . . . 26
Figure 6. Line Build Out Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 7. Wallmounting the T1 CSU ACE. . . . . . . . . . . . . . . . . . 29
Figure 8. T1 CSU ACE Bantam Jacks . . . . . . . . . . . . . . . . . . . . . . 32
61203022L1-1B T1 CSU ACE User Manual 17
List of Figures
18 T1 CSU ACE User Manual 61203022L1-1B
List of Tables
Table 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Table 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
61203022L1-1B T1 CSU ACE User Manual 19
List of Tables
20 T1 CSU ACE User Manual 61203022L1-1B
Chapter 1 General
UNIT OVERVIEW
The ADTRAN T1 Channel Service Unit (CSU) Advanced
Communications Equipment (ACE) provides the T1 interface
between customer premises equipment (CPE) such as channel banks,
T1 multiplexers, and the carrier network as shown in Figure 1. The
unit complies with Part 68 of FCC Rules and with applicable sections
of AT&T 62411, ANSI T1.102 and ANSI T1. 403.
The unit provides functions such as surge protection, signal
regeneration, alarms, loopbacks necessary for circuit operation and
fault isolation as illustrated in Figure 2 on page 22. The unit is
transparent to ESF or SF framing formats and AMI or B8ZS line
coding.
Figure 1. T1 CSU ACE Applications
61203022L1-1B T1 CSU ACE User Manual 21
Chapter 1. General
EQ OUT
LBO
(0-655 FEET)
POWER
SUPPLY
EQ IN
Network LOS
AIS INSERTER
LOS MONITOR &
ALBO
Equipment LOS
LOS Monitor &
Network LB
AIS Inserter
Equipment LB
Manual
LOOP CODE &
MANUAL LB
DETECTOR
LB Detector
ALBO
LBO
(0, 7.5,15, 22.5 dB)
SURGE
PROTECTION
SURGE
PROTECTION
NET IN
NET OUT
Figure 2. T1 CSU ACE Block Diagram
22 T1 CSU ACE User Manual 61203022L1-1B
Chapter 1. General
POWER OPTIONS
The T1 CSU ACE may receive power from a local power supply located
on the customer’s premises. Local power can be supplied by the
customer’s own 12 to 48 volt supply, or by the wallmount power supply
shipped with the unit (see Figure 3). The wall mount power supply is an
NEC class 2 device.
See Powering the Unit on page 30 for details on
connecting the power to the unit.
Figure 3. T1 CSU ACE Power Supply
61203022L1-1B T1 CSU ACE User Manual 23
Chapter 1. General
ALARMS
The T1 CSU ACE provides five LED alarms on the front of the unit to
help troubleshoot the communication channel. See Figure 4.
The alarm descriptions are as follows:
•The
POWER LED shows that the unit is receiving power.
•The SYNC LED indicates signal is present on both the Network
and the Equipment interface.
NET LOS indicates loss of signal (LOS) from the network.
•
• NET MAN LB indicates a network loopback has been activated
manually from the rear panel.
NET RMT LB indicates a network loopback has been activated
•
over the network.
EQ LOS is illuminated when there is a loss of signal on the equip-
•
ment side.
EQ MAN LB indicates a loopback on the equipment side has been
•
activated manually from the rear panel .
EQ RMT LB indicates a loopback sequence has been detected
•
from the equipment side.
Figure 4. T1 CSU ACE LED Alarms
24 T1 CSU ACE User Manual 61203022L1-1B
Chapter 1. General
LOOPBACK
The T1 CSU ACE supports four types of loopbacks. With the first two,
the unit loops the signal received from the network back to the network
and transmits an u nframed
received from the CPE is ignored.
The first type of loopback, Manual Network Loopback (see Table 1), is
initiated by switching on the
NET MAN LB LED will turn On and the loopback will continue until it
is switched off. See Figure 5 on page 26.
all 1s pattern to the CPE. The signal
NET LB switch on the back of the unit. The
The second type of loopback, Network LB
1-in-5 pattern (10000) fro m the network side for five seconds. The
unit a
, is activated by sending the
NET RMT LB LED will turn On until it is cleared by sending a 1-in-3
pattern
(100) for five seconds. The patterns may be Unframed or
Framed (SF or ESF).
The third type of loopback, Manual Equipment Loopback
(see Table 1), is initiated by the
It will continue until
Equip LB is switched off. With the Equip LB, the
Equip LB switch on the back of the unit.
unit loops the signal received from the CPE equipment back to the CPE
equipment, and transmits an unframed
The signal received from the network is ignored. The
all 1s pattern to the network.
EQ MAN LB LED
will illuminate when the loopback is in progress. See Figure 5 o n pa ge
26.
The fourth type of loopback, Equipment Remote Loopback, is activated
by sending the unit a 1-in-5 pattern (10000) from the CPE side for five
seconds. The
1-in-3 pattern (100) for five seconds. The patterns may be
EQ RMT LB will illuminate until it is cleared by sending a
Unframed or
Framed (SF or ESF).
Table 1. Manual Loopbacks Switch Position Settings
LOOPBACK Type POSITION 6 POSITION 7
Network Up Down
Equipment Down Up
61203022L1-1B T1 CSU ACE User Manual 25
Chapter 1. General
Figure 5. T1 CSU ACE Loopback Switch and LED
LINE BUILD OUT
The first five positions of the switch on the back of T1 CSU ACE selects
Line Build Out (LBO). See Figure 6. Separate LBOs set the transmit
levels for the network and CPE sides of the T1 CSU ACE. The
receivers on both sides of the CSU ACE contain
Build Out
(ALBO) circuitry to compensate for loss.
On the Network side, the amount of attenuation in decibels (dB)
specified by the carrier can be selected as shown in Table 2 on page 27.
Automatic Line
On the CPE side, the amount of attenuation is determined by the
maximum length of cable between the T1 CSU ACE and the CPE, as
shown in Table 3 on page 27.
Figure 6. Line Build Out Switch
26 T1 CSU ACE User Manual 61203022L1-1B
Chapter 2 Installation
SETTING THE LBO SWITCH POSITIONS
Network and customer LBO switch position settings are defined in Table 2 and Table 3.
Table 2. Network LBO Switch Position Settings
POSITION 1 POSITION 2 ATTENUATION
(dB)
Up Up 0
Up Down 7.5
Down Up 15
Down Down 22.5
Table 3. Customer LBO Switch Position Settings
POSITION 3 POSITION 4 POSITION 5 CABLE LENGTH
(feet)
Down Down Up 0-133
Up Up Down 134-265
Down Up Down 266-399
Up Down Down 400-533
Down Down Down 534-655
61203022L1-1B T1 CSU ACE User Manual 27
Chapter 2. Installation
WALLMOUNTING THE UNIT
The T1 CSU ACE may be installed in a wallmount o r ta bletop
configuration . The foll owing sect ion pro vides step -by-step in structi ons
for wallmounting the unit
Instructions for Wallmounting
Step Action
1. Decide on a location for the T1 CSU ACE. Mount the unit
at or below eye-level so that the LEDs are viewable.
2. Prepare the mounting surface by attaching a board
(typically plywood, 3/ 4" to 1" thick) to a wall stud, using 3”
wood screws.
Important! Mounting to a stud ensures stability. Using
sheetrock anchors may not provide sufficient long-term
stability.
3. Install two #8 (1 1/ 2" or greater in length) wood screws
into the mounted board following these guidelines and
referring to Figure 7:
• Screws should be spaced horizontally, approximately
5” apart. Find exact positioning by using the location
of the two eyed insets on the bottom of the unit as a
guide.
• Screws should be horizontally level with each other.
• Leave approximately 1/4” of the screws protruding
from the board to allow the heads of the screws to
slide into place in the unit’s keyed insets.
.
4. Slide the keyed insets on the bottom of the T1 CSU ACE
chassis securely onto the screws.
5. Proceed to the steps given in Powering the Unit on page
30.
28 T1 CSU ACE User Manual 61203022L1-1B
Chapter 2. Installation
Figure 7. Wallmounting the T1 CSU ACE
61203022L1-1B T1 CSU ACE User Manual 29
Chapter 2. Installation
POWERING THE UNIT
The unit may be powered by using the supplied NEC Class 2, 12 V
wall mount power supply. It may also be locally powered by own 12
to 48 V power supply. Once power has been applied to the unit, the
POWER LED will be illuminated.
The unit can be powered by either of the following methods:
Method 1
• Use the included NEC Class 2, 12V at 800 mA wall mount power
supply.
Note: The wall outlet shall be near the equipment and readily accessible.
OR
Method 2
• Connect to a reliably-grounded 12-48 Vdc source which is elec-
trically isolated from the AC source.
Note: The branch circuit overcurrent protection shall be a fuse or circuit
breaker rated 48 V, minimum to 10A, maximum.
A readily accessible disconnect device that is suitably approved and rated,
shall be incorporated in the field wiring .
The unit shall be installed in accordance with the requirements of NEC
NFPA 70, where applicable.
CONNECTING TO THE NETWORK AND CPE
Two 8-pin modular connectors are located on the back of the T1 CSU
ACE (see Figure 8 on page 32).
via the network cable. The connector marked
from the customer equipment to the T1 CSU ACE.
30 T1 CSU ACE User Manual 61203022L1-1B
NET connects the unit to the network
CPE connects the cable
Chapter 2. Installation
Notify the carrier before connecting the T1 CSU ACE to the carrier network. Connect the T1 CSU ACE to the network demarcation before connecting to the
CPE. Connector pin assignments for the Net RJ48C are
listed in Table 4. Connector pin assignments for the CPE 8-Pin modular
jack are listed in Table 5.
Table 4. Network RJ48C Connector Pin Assignments
PIN NET
1 R1 (Receive from Network)
2 T1 (Receive from Network)
3 Not Used
4 R (Transmit to Network)
5 T (Transmit to Network)
6 Not Used
7 Not Used
8 Not Used
Table 5. CPE Connector Pin Assignments
PIN CPE
1 R (Transmit to CPE)
2 T (Transmit to CPE)
3 Not Used
4 R1 (Receive from CPE)
5 T1 (Receive from CPE)
6 Not Used
7 Not Used
8 Not Used
61203022L1-1B T1 CSU ACE User Manual 31
Chapter 2. Installation
TEST AND MONITOR ACCESS
The six Bantam jacks located on the back of the T1 CSU ACE pro vide
test and monitor access for the network and equipment side of the
T1 CSU ACE. The diagram on the face of the unit shows each jack’s
function, as seen in Figure 8.
Figure 8. T1 CSU ACE Bantam Jacks
Monitor Jacks
The first two jacks are monitor jacks used for monitoring the circuit
while in service.
EQ MON monitors the signal received from the CPE.
work.
32 T1 CSU ACE User Manual 61203022L1-1B
NET MON monitors the signal received from the net-
The test set’s inp u t impedance must be set for DSX-MON
when connected to t he monitor jacks.
Chapter 2. Installation
Break-and-Test Jacks
The other four jacks are break-and-test jacks used for out-of-service
testing. These jacks bypass the connections of the modular jacks.
NET OUT are used to simulate the network input and output of the
and
T1 CSU ACE. To test the CPE, a T1 Bit Error Rate Test (BERT) test set can
be used to simulate the network.
EQ IN and EQ OUT
NET IN
61203022L1-1B T1 CSU ACE User Manual 33
Chapter 2. Installation
34 T1 CSU ACE User Manual 61203022L1-1B
Chapter 3 Troubleshooting and
Maintenance
Troubleshooting guidelines and maintenance information are provided in this chapter.
TROUBLESHOOTING
Power
Condition: PWR LED is not illuminated.
1. If locally powered, verify the power cable installation.
2. If the 12 V wall-mount power supply is used, check the supply’s cable and the circuit breaker for the 120 V receptacle the supply is plugged into.
Network LOS
Condition: NET LOS LED is illuminated.
1. Verify that the cable from the network demarcation is in
modular jack on the bottom/end of the T1 CSU ACE.
2. If all connections seem intact, the far end CSU ACE can be
looped back (using a BERT test set to send the LB code, or using
MANUAL LB at the other end) to isolate the problem to the far
end customer premises or the network.
3. If the problem persists after the LB has been activated, the problem appears to be within the network or the far end CSU ACE. In
this case, notify the carrier.
4. If the problem disappears after loop-up, then the cause must be at the far end customer premises.
61202022L1-1B T1 CSU ACE User Manual 35
NET
Chapter 3. Troubleshooting and Maintenance
Equipment LOS
Condition: EQ LOS LED is illuminated.
1. Verify that the cable from the CPE is in the
the bottom/end of the CSU ACE.
2. If all connections seem intact, use a BERT test set in the
and NET OUT jacks to test the CPE.
CPE modular jack on
NET IN
Power On - Self Check Failure
Condition: NET LOS, EQ LOS, NET LB , and EQ LB all f lash in unison, continuously.
• The unit has failed its internal self check. Return the unit to the
ADTRAN Customer and Product Service (CAPS) Department as
instructed on page 12.
EPROM Checksum Failure
Condition: NET LOS and EQ LOS Flash alternately with NET LB
and EQ LB for the first 10 seconds after power up.
• The un it’s EPROM has a bad checksum. Return the unit to the
ADTRAN CAPs Department as instructed in the Product Support
page on the back page of this manual.
MAINTENANCE
The T1 CSU ACE requires no routine maintenance. No repairs should
be performed by the customer. Repair services can be obtained by returning the unit to the ADTRAN Customer and Product Service
(CAPS) department as instructed on page 12.
36 T1 CSU ACE User Manual 61202022L1-1B
Chapter 4 Specifications
NETWORK AND CUSTOMER INTERFACE
Line
4-Wire (T, R, T1, and R1).
Data Rate
1.544 Mbps +/-50 bps.
Signal Format
Bipolar with B8ZS transparency.
Output Amplitude
6 Volts, peak-to-peak nominal.
Network Connector Type
8-pin modular (RJ48C).
Customer Interface Connector T ype
8-pin modular jack.
LED INDI CA T O R S
PWR
Power is On.
SYNC
Signal from network and CPE present.
Net LOS
Loss of Signal from network.
NET MAN LB
Network manual loopback
61203022L1-1B T1 CSU ACE User Manual 37
Chapter 4. Specifications
NET RMT LB
Network Remote Loopback
EQ LOS
Loss of Signal from CPE.
EQ MAN LB
Equipment manual loopback.
EQ RMT LB
Equipment Remote Loopback.
POWER
Local Power
35 mA typ. at 48 V.
90 mA typ. at 12 V.
ENVIRONMENTAL
Temperature
Operating 0RC to 50RC.
R
Storage -20
C to 70RC.
Relative Humidity
Up to 95% (non-condensing).
38 T1 CSU ACE User Manual 61203022L1-1B
Index
A
alarms, using to troubleshoot 24
Automatic Line Build Out
26
B
Break-and- Test Jacks 33
C
Connecting to the network and CPE 30
Customer Interface Connector Type
Customer LBO Switch Positions
37
27
D
Data Rate 37
E
Environmental, specifications 38
EPROM Checksum Failure
EQ LB, LED indicator
EQ LOS, alarm
EQ MAN LB, alarm
EQ MON
EQ RMT LB, alar m
Equip LB
Equip LOS, LED indicator
Equipment LOS, problems
24
32
25
36
38
24
24, 25
38
36
I
installation 27
L
LBO Switch positions 27, 30
LBO, line buildout
LED Indicators, specifications
Line Build Out
Line, 4-wire
Local Power
loopback
manual, network, equip
26
37
26
37
38
25
M
Maintenance 36
Manual Loopba ck
Monitor Jacks
mounting options
rack
28
25
32
N
NET LOS, alarm 24
Net LOS, LED indicator
NET MAN LB
NET MON
NET RMT LB, alarm
Network and Customer Interface, specifications
Network Connector Type
Network LBO Switch Positions
Network Loopback
Network LOS, problems
24
32
37
37
24
37
27
25
35
O
Output Amplitude 37
P
POWER LED, alarm 24
Power On - Self Chec k Fa ilure
power options
Power, LED indicator
Power, problems
Power, specifications
Powering the Unit
23
35
38
30
36
37
S
Setting the LBO switch positions 27
Signal Format
Specifications
SYNC, alarm
37
37
24
T
T1 CSU ACE, overview 21
Temperature, storage and operation
38
61202022L1-1B T1 CSU ACE User Manual 39
Index
test and monitor ac ce ss 31
Troubleshooting
35
U
Unit overview 21
61202022L1-1B T1 CSU ACE User Manual 40
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