Black Box MT136A User manual

CUSTOMER
SUPPORT
INFORMATION
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax [phone]
Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: [email protected]
JULY 1998
MT136A
MT137C
MT138C
MT139C
MT140C
CSU/DSU MS DBU
CANCEL
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CSU/DSU MS DBU
ALM TST
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TRADEMARKS
TRADEMARKS USED IN THIS MANUAL
Accunet and AT&T are registered trademarks of American Telephone and
Telegraph Company.
VT100 is a trademark of Digital Equipment Corporation.
HP and OpenView are registered trademarks of Hewlett-Packard.
IBM and NetView are registered trademarks of International Business Machines
Coporation.
MCI is a registered trademark of MCI Telecommunications Corporation.
MNP is a registered trademark of Microcom Systems, Inc.
Siemens is a registered trademark of Siemens Aktiengesellschaft.
UL is a registered trademark of Underwriters Laboratories Incorporated.
Sprint and US Sprint are registered trademarks of U.S. Sprint Communications
Co. Ltd.
Any other trademarks mentioned in this manual are acknowledged to be the
property of the trademark owners.

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CSU/DSU MS DBU
FEDERAL COMMUNICATIONS COMMISSION
AND
INDUSTRY CANADA
RADIO FREQUENCY INTERFERENCE STATEMENTS
This equipment generates, uses, and can radiate radio frequency energy and if not
installed and used properly, that is, in strict accordance with the manufacturer’s
instructions, may cause interference to radio communication. It has been tested
and found to comply with the limits for a Class A computing device in accordance
with the specifications in Subpart J of Part 15 of FCC rules, which are designed to
provide reasonable protection against such interference when the equipment is
operated in a commercial environment. Operation of this equipment in a
residential area is likely to cause interference, in which case the user at his own
expense will be required to take whatever measures may be necessary to correct
the interference.
Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
This digital apparatus does not exceed the Class A limits for radio noise emission from
digital apparatus set out in the Radio Interference Regulation of Industry Canada.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites
applicables aux appareils numériques de la classe A prescrites dans le Règlement sur le
brouillage radioélectrique publié par Industrie Canada.

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NOM STATEMENT
NORMAS OFICIALES MEXICANAS (NOM)
ELECTRICAL SAFETY STATEMENT
INSTRUCCIONES DE SEGURIDAD
1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de
que el aparato eléctrico sea operado.
2. Las instrucciones de seguridad y operación deberán ser guardadas para
referencia futura.
3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de
operación deben ser respetadas.
4. Todas las instrucciones de operación y uso deben ser seguidas.
5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo, cerca
de la tina de baño, lavabo, sótano mojado o cerca de una alberca, etc..
6. El aparato eléctrico debe ser usado únicamente con carritos o pedestales que
sean recomendados por el fabricante.
7. El aparato eléctrico debe ser montado a la pared o al techo sólo como sea
recomendado por el fabricante.
8. Servicio—El usuario no debe intentar dar servicio al equipo eléctrico más allá
a lo descrito en las instrucciones de operación. Todo otro servicio deberá ser
referido a personal de servicio calificado.
9. El aparato eléctrico debe ser situado de tal manera que su posición no
interfiera su uso. La colocación del aparato eléctrico sobre una cama, sofá,
alfombra o superficie similar puede bloquea la ventilación, no se debe colocar
en libreros o gabinetes que impidan el flujo de aire por los orificios de
ventilación.
10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor
como radiadores, registros de calor, estufas u otros aparatos (incluyendo
amplificadores) que producen calor.
11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del
tipo descrito en el instructivo de operación, o como se indique en el aparato.

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12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización
del equipo no sea eliminada.
13. Los cables de la fuente de poder deben ser guiados de tal manera que no
sean pisados ni pellizcados por objetos colocados sobre o contra ellos,
poniendo particular atención a los contactos y receptáculos donde salen del
aparato.
14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las
recomendaciones del fabricante.
15. En caso de existir, una antena externa deberá ser localizada lejos de las lineas
de energia.
16. El cable de corriente deberá ser desconectado del cuando el equipo no sea
usado por un largo periodo de tiempo.
17. Cuidado debe ser tomado de tal manera que objectos liquidos no sean
derramados sobre la cubierta u orificios de ventilación.
18. Servicio por personal calificado deberá ser provisto cuando:
A: El cable de poder o el contacto ha sido dañado; u
B: Objectos han caído o líquido ha sido derramado dentro del aparato; o
C: El aparato ha sido expuesto a la lluvia; o
D: El aparato parece no operar normalmente o muestra un cambio en su
desempeño; o
E: El aparato ha sido tirado o su cubierta ha sido dañada.

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ABOUT THIS MANUAL
About This Manual
This manual is arranged so you can quickly and easily find the information
you need. The following is an overview of the contents of this manual:
• Chapter 1, Introduction, familiarizes you with DDS, Switched 56, SNMP,
and TELNET. This chapter also includes CSU/DSU MS DBU highlights
and describes the options that may be purchased for use with the DSU.
• Chapter 2, Installation, describes the DSU connectors (pin assignments
are given in Appendix A) and provides an installation diagram.
• Chapter 3, Operation, explains how to operate your DSU using either
the front panel or a VT100™ terminal interface.
• Chapter 4, Applications, provides examples of some common DSU
applications, including network diagrams.
• Chapter 5, Configuration Overview, explains how to access the DSU
configuration menu, including information on the different configuration
methods. This chapter also provides a front-panel menu tree.
• Chapters 6 through 11 provide brief explanations for selections made in the
Configuration menus. These chapters are based on the front-panel menu
branches of the Configuration menu: Network Options, DTE Options,
Test Options, Dial Options, Management, and Utilities.
• Chapter 12, Testing and Troubleshooting, describes the testing options
available with the CSU/DSU MS DBU and gives troubleshooting information.
• Chapter 13, Activating Dial Functions, describes the Dial options available
from the Main menu.
• Chapter 14, Viewing Status Information, provides information on the status
menus available for the base unit as well as the DBU cards.
• Appendix A provides pinouts for the connectors of the DSU and the DBU
and Ethernet cards.
• Appendix B shows the AT commands available for the DSU.
• Appendix C describes the terminal menu interface (accessed through
a VT100 terminal or a TELNET session).
• Appendix D provides information on the unit’s configuration profiles.

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• Appendix E contains a DSU-to-modem interconnect diagram for a modem tail-
circuit application.
• Appendix F contains product specifications.

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FCC REGULATIONS
FCC regulations require that the following information be provided in this
manual:
1. This equipment complies with Part 68 of the FCC rules. On the bottom of
the equipment housing is a label that shows the FCC registration number
and ringer equivalence number (REN) for this equipment. 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 Black Box
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. An FCC-compliant telephone cord with a modular plug is provided with this
equipment. In addition, an FCC-compliant cable appropriate for the dial-
backup option ordered 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 that is Part 68 compliant.
7. The following information may be required when applying to the local
telephone company for leased-line facilities:
Digital Facility Service Order
Service Type Interface Code Code Network Jacks
2.4 kbps Digital Interface 04DU5-24 6.0F RJ-48S
4.8 kbps Digital Interface 04DU5-48 6.0F RJ-48S
9.6 kbps Digital Interface 04DU5-96 6.0F RJ-48S
19.2 kbps Digital Interface 04DU5-19 6.0F RJ-48S
38.4 kbps Digital Interface 04DU5-38 6.0F RJ-48S
56 kbps Digital Interface 04DU5-56 6.0F RJ-48S
64 kbps Digital Interface 04DU5-64 6.0F RJ-48S

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CSU/DSU MS DBU
8. The following information may be required when applying to the local
telephone company for a dial-up line for the V.34 Module:
Service Type SOC REN FIC USOC
Loop Start (V.34) 9.0Y 0.8B 02LS2 RJ-11C
9. The following information may be required when applying to the local
telephone company for Switched 56 service for the S4W DBU Card:
Service Type SOC REN FIC USOC
PSDS 6.0F N/A 04D45-56B RJ-48S
10. The following information may be required when applying to the local
telephone company for ISDN service for the ISDN Module:
Service Type SOC REN FIC USOC
Basic Rate ISDN 6.0F N/A 021S5 RJ-49
11. 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.
12. 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.)

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ISDN SERVICE ORDERING INFORMATION
ISDN Service Ordering Information for the CSU/DSU MS DBU With ISDN Dial
Backup
For CSU/DSU MS DBU ISDN applications, the following guide can be used
as an aid in ordering basic ISDN service from your local telephone company.
The CSU/DSU MS DBU ISDN includes NT1 and terminal-adapter functionality
and supports data rates up to 64 kbps.
R EQUEST AN ISDN B ASIC R ATE I NTERFACE (BRI) LINE WITH THE FOLLOWING FEATURES :
U-interface reference point
2B1Q line coding
1B+D Service (supports up to 64 kbps)
T HE CSU/DSU MS DBU ISDN SUPPORTS THE FOLLOWING SWITCH TYPES AND SOFTWARE
PROTOCOLS
:
AT&T®5ESS Custom, 5E6 and later software, National ISDN-1
NT1 DMS-100 BCS-32 and later software (Pvc1), National ISDN-1 (Pvc2)
Siemens®EWSD National ISDN-1
Request that the ISDN line allocate one DYNAMIC Terminal Endpoint Identifier
(TEI) for the number.
For service offered from an AT&T 5ESS, request a point-to-point line with the
following features:
Feature: Value
B1 Service: On Demand (DMD)
Data Line Class: Point-to-Point
Maximum B Channels: 1 (1B+D)
Circuit Switched Data (CSD) Bearer Channels: Any
Number of CSD Calls: 1 (1B+D)
Terminal Type: Type A