Manuales relacionados para Black Box LRA1208C
Resumen de contenidos para Black Box LRA1208C
- Página 1 © Copyright 2000. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...
- Página 2 Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500) SUPPORT FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 INFORMATION Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 Web site: www.blackbox.com • E-mail: info@blackbox.com...
-
Página 4: Federal Communications Commission
T1 12-PORT ACCESS MULTIPLEXOR MODULE FEDERAL COMMUNICATIONS COMMISSION 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... -
Página 5: Instrucciones De Seguridad
T1 12-PORT ACCESS MULTIPLEXOR MODULE 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. - Página 6 T1 12-PORT ACCESS MULTIPLEXOR MODULE 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.
- Página 7 T1 12-PORT ACCESS MULTIPLEXOR MODULE TRADEMARKS USED IN THIS MANUAL Any trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.
- Página 8 T1 12-PORT ACCESS MULTIPLEXOR MODULE 1. Introduction The T1 12-Port Access Multiplexor Module (LRA1208C) is a 12-port T1 access multiplexor module for the 2 x 12 or 1 x 4 slot DSLAM Chassis. The module attaches to each Uplink Interface Module via a 10/100-Mbps Ethernet connection on the backplane.
- Página 9 T1 12-PORT ACCESS MULTIPLEXOR MODULE 2. Installation 2.1 Bandwidth Selection The T1 Module provides 8 bandwidth options for the T1 link, as mentioned above. Two switch banks (12 switches per bank) located on the circuit board are used to select the default bandwidth. The switches affect the operation of the T1 connection only.
- Página 10 T1 12-PORT ACCESS MULTIPLEXOR MODULE Table 2-3. Lower Switch Bank Settings. Switch 1 (Framing) Extender Super Frame Super Frame 2 (Line Coding) B8ZS 5 (Timing) Local Loop 6 (Not Used) Switch 0 dB -7.5 dB -15 dB -22.5 dB 3 (Line Buildout) 4 (Line Buildout) The Module ships with all switches in the ON position.
- Página 11 T1 12-PORT ACCESS MULTIPLEXOR MODULE 2.2 Port Pinout The T1 RJ-21 has the following pinout. Table 2-4. T1 RJ-21 Pinout Port...
-
Página 12: Led Indicators
T1 12-PORT ACCESS MULTIPLEXOR MODULE 2.3 LED Indicators Each T1 port features the following status LEDs for at-a-glance monitoring. • PWR: Steady green indicates normal operation. • LK: Pulsing green (once per second) indicates that the T1 connection is operational and the unit is receiving either valid data packets or status packets from the remote unit on the other side of the T1 connection.