Black Box ME445C-35 manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49

Ir a la página of

Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Black Box ME445C-35. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Black Box ME445C-35 o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Black Box ME445C-35 se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Black Box ME445C-35, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones Black Box ME445C-35 debe contener:
- información acerca de las especificaciones técnicas del dispositivo Black Box ME445C-35
- nombre de fabricante y año de fabricación del dispositivo Black Box ME445C-35
- condiciones de uso, configuración y mantenimiento del dispositivo Black Box ME445C-35
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Black Box ME445C-35 no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Black Box ME445C-35 y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Black Box en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Black Box ME445C-35, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Black Box ME445C-35, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Black Box ME445C-35. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    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 724-746-0746 Mailing address: Black Box Corporation , 1000 Park Drive, Lawrence, PA 15055-1018 Web site: www.blackbox.com • E-mail: info@blackbox.com MARCH 200[...]

  • Página 2

    1 FCC AND IC RFI ST A TEMENTS FEDERAL COMMUNICA TIONS COMMISSION AND INDUSTR Y CANADA RADIO FREQUENCY INTERFERENCE ST A TEMENTS 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 communic[...]

  • Página 3

    2 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) Safety W arnings Always observe standard safety precautions during installation, operation, and maintenance of this product. Only qualified and authorized service personnel should adjust, maintain, or repair this instrument. Do not attempt to adjust, maintain, or repair the equipment. T elecommunicati[...]

  • Página 4

    3 Declaration of Conformity/Supplementary Information Declaration of Conformity The line driver conforms to the following standard(s) or other normative document(s); EMC: EN 55022 (1994) Limits and methods of measure- ment of radio disturbance characteristics of information technology equipment. EN 50082-1 (1992) Electromagnetic compatibility— Ge[...]

  • Página 5

    4 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY ST A TEMENT 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 futu[...]

  • Página 6

    5 NOM ST A TEMENT 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 s[...]

  • Página 7

    6 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) TRADEMARKS USED IN THIS MANUAL AS/400 and IBM are registered trademarks of International Business Machines Corporation. Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.[...]

  • Página 8

    7 CONTENTS Contents Chapter Page 1. Specifications ............................................................................................. 8 2. Introduction ...............................................................................................10 2.1 Physical Description ................................................................[...]

  • Página 9

    8 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) 1. Specifications Compliance: FCC Class A, IC Class/classe A Protocol: Synchronous or asynchronous Clock Source: Internal, external (from attached device), or receive clock derived from the receive signal Flow Control: None Operation: 4-wire, full- or half-duplex, point-to-point or multipoint Data Rat[...]

  • Página 10

    9 CHAPTER 1: Specifications Maximum Altitude: 8000 ft. (2438.4 m) Enclosure: High-impact plastic Power: ME444A-R3: Directly from outlet through detachable 5-ft. (1.5-m) power cord (included); Optimal input: 115 VAC, 60 Hz; Input ranges: 103.5 to 126.5 VAC, 47 to 63 Hz; Consumption: 5 watts; ME444AE-R3: Directly from outlet through detachable 5-ft. [...]

  • Página 11

    10 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) 2. Introduction The 256-kbps Line Driver is a short-range modem for synchronous or asynchronous transmission—full- or half-duplex—over unconditioned lines. With a range of up to 11.8 miles (19 km), the line driver operates at user-selectable synchronous data rates from 19.2 to 256 kbps or asynchr[...]

  • Página 12

    11 CHAPTER 2: Introduction 2.2 Functional Description This section describes the operation of the line driver’s circuit blocks, primarily the circuits required for correctly configuring the modem (see Figure 2-1 below). Figure 2-1. Line driver block diagram. 2.2.1 E NCODER M ODULATOR The encoder modulator receives data from the DTE, then modulate[...]

  • Página 13

    12 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) NOTE In multipoint applications, do not use the 0-msec option for the RTS–CTS delay. 2.2.2 M ODULATION T IMING This circuit supplies the transmit clock to the encoder. Three clock sources are available on the XMT CLK jumper (J3): • INT—Internal clock. From the modem’s internal crystal oscilla[...]

  • Página 14

    13 CHAPTER 2: Introduction 2.2.5 V.54 D IAGNOSTICS V.54 loops are activated manually with the front-panel buttons, or through the DTE interface. The buttons and the DTE interface can be enabled or disabled separately by jumpers J7 and J8 (shown in Figure 3-1 and described in Table 3-1). When you use the line driver as a tail-end to a digital networ[...]

  • Página 15

    14 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) Figure 2-3. T ail-cir cuit application. Figure 2-4. Multipoint application. Sync host Sync host CSU/DSU DDS (56 kbps) External clock 4-wire twisted pair Receive clock CSU/DSU Tail circuit 256-kbps Line Driver 256-kbps Line Driver IBM ® S/3X mainframe V.35 interface V.35 cable 4-wire twisted pair (64[...]

  • Página 16

    15 CHAPTER 3: Configuration 3. Configuration This chapter explains how to configure your standalone or rackmount card line driver. After you configure it, see Chapter 4 for how to install it, Chapter 5 for how to operate it, and Chapter 6 for how to test the system. 3.1 Placement of the Standalone V ersion Place the 256-kbps Line Driver standalone [...]

  • Página 17

    16 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) D ESCRIPTION OF THE R ACK N EST 2/14’ S P OWER S UPPLY The 115-VAC RackNest 2/14 (our product code RM110A) uses the PS1000A power supply, which accepts 115-VAC input power. The 230-VAC RackNest 2/14 uses power supply PS1000AE, which accepts 230-VAC input power. Each of these power supplies consists[...]

  • Página 18

    17 CHAPTER 3: Configuration 3.3 Configuring the Standalone or Card V ersion Before attaching anything to the 256-kbps Line Driver standalone or rackmount card version, determine which data rate you’re going to use, what the system’s clock source should be, and how you want to set all of the other user-configurable options on the line driver. (R[...]

  • Página 19

    18 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) T able 3-1 (continued). User-configurable options. Element Function Possible Standard Settings Factory Setting J4 Select the delay in milliseconds that 0 RTS-CTS occurs during RTS-to-CTS transitions. 9 9 ms DLY jumper Do not select 0 for multipoint applications. 70 J5 Turn V.54 delay ON or OFF. When [...]

  • Página 20

    19 CHAPTER 3: Configuration Figure 3-1. Layout of the 256-kbps Line Driver circuit boar d.[...]

  • Página 21

    20 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) When you have everything at least tentatively decided, take these steps to set the unit’s internal controls. CAUTION! Disconnect the standalone line driver from the power line before removing it from its housing. W ARNING: HIGH VOL T AGE! Any adjustment, maintenance, and repair of the open instrume[...]

  • Página 22

    21 CHAPTER 4: Installation 4. Installation 4.1 Installing the Standalone V ersion in 19-Inch Racks 4.1.1 O VERVIEW The 256-kbps Line Driver standalone version can be installed in 19-inch racks. It is 1U (1.75", 4.4 cm) high and is slightly less than half as wide as the available mounting area. Two rack-adapter kits are available as special quo[...]

  • Página 23

    22 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) Figure 4-1. Installing a single unit in a 19-inch rack. 4.1.3 I NSTALLING T WO S TANDALONE U NITS IN A 19-I NCH R ACK The adapter kit includes two long side rails (one for each unit), which slide into each other to fasten the units together, and two short side brackets, which hold the two line driver[...]

  • Página 24

    23 CHAPTER 4: Installation 4. Secure the included plastic caps to the ends of the rails, to protect the rail ends and prevent the units from moving. 5. You can now use four screws (not supplied with the kit), two on each side, to fasten the assembled units to the side rails of the 19-inch rack. Figure 4-2. Installing two units in a 19-inch rack.[...]

  • Página 25

    24 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) 4.2 Installing the 256-kbps Line Driver Rackmount Card V ersion T HE R ACK N EST 2/14 I LLUSTRATED You will be installing the line driver card in the RackNest 2/14 as shown in Figure 4-3. The front and rear panels of the RackNest are shown in Figure 4-4; the numbered connectors, controls, and indicat[...]

  • Página 26

    25 CHAPTER 4: Installation Figure 4-4. The RackNest 2/14 illustrated. GND RCV XMIT ON 1 7 2 5 3 4 6[...]

  • Página 27

    26 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) T able 4-1. Descriptions of RackNest 2/14 components. Item Control, Indicator , or Connector Function 1 Card Slots Slots for installation of compatible cards (slot no. 1 located at the left-hand side). Unused slots are closed with blank panels. 2 Power-Supply Module Provides power to modules installe[...]

  • Página 28

    27 CHAPTER 4: Installation After you install the RackNest 2/14 in your 19" rack (refer to the RackNest’s manual), take these steps to install a line driver card in the RackNest: 1. Insert the card into an empty slot on the RackNest (see Figure 4-3). Do not use excessive force. If the card does not go in easily, remove the card, realign it wi[...]

  • Página 29

    28 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) 6. Run twisted-pair cable between the local and remote cards. Attach one pair of wires to the corresponding XMT terminals (“TB1”) on the back of the local RackNest and the corresponding RCV terminals on the remote RackNest ; attach the other pair of wires to the RCV terminals on the local RackNes[...]

  • Página 30

    29 CHAPTER 4: Installation T able 4-2. Pinout of the RackNest 2/14’s DB25 connector when ME445C-530 is installed or RS-530 standalone’s DB25 connector . SIGNAL ITU-TSS LEAD DB25 NAME (ABBREV.) CIRCUIT TYPE PIN Shield (SHD) 101 1 Signal Ground (SGND) 102 7 Transmitted Data (TD) 103 A 2 B1 4 Received Data (RD) 104 A 3 B1 6 Request to Send (RTS) 1[...]

  • Página 31

    30 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) T able 4-3. Pinout of the RackNest 2/14’s DB25 connector when ME445C-35 is installed. SIGNAL ITU-TSS LEAD DB25 M/34 NAME (ABBREV.) CIRCUIT TYPE (RACK- (NORM. NEST) V.35) PIN PIN Frame (Protective) Ground (FGND) 101 1 A Signal Ground (SGND) 102 7 B Send Data (SD) 103 A 9 P B1 1 S Receive Data (RD) 1[...]

  • Página 32

    31 CHAPTER 4: Installation T able 4-4. Pinout of the V .35 standalone’s M/34 connector . SIGNAL ITU-TSS LEAD V.35 NAME (ABBREV.) CIRCUIT TYPE PIN Frame (Protective) Ground (FGND) 101 A Signal Ground (SGND) 102 B Send Data (SD) 103 A P BS Receive Data (RD) 104 A R BT Request to Send (RTS) 105 C Clear to Send (CTS) 106 D Data Set Ready (DSR) 107 E [...]

  • Página 33

    32 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) T able 4-5. Pinout of the RackNest 2/14’s DB25 connector when ME445C-X21 is installed. SIGNAL ITU-TSS LEAD DB25 DA15 NAME (ABBREV.) CIRCUIT TYPE (RACK- (NORM. NEST) X.21) PIN* PIN Shield (n/a) 101 1 1 Ground (G) 102 7 8 a.k.a. Signal Ground (SGND) Transmit (T) 103 A 2 2 B1 4 9 Receive (R) 104 A 3 4[...]

  • Página 34

    33 CHAPTER 4: Installation 4.3 Connecting Data Cables After you set the standalone line driver’s internal controls, it’s ready to be cabled for operation. Its electrical connectors are located on its rear panel. These consist of a female V.35 interface connector labeled “DTE,” a 5-screw terminal block, and an IEC 320 AC inlet that contains [...]

  • Página 35

    34 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) fuse rated for the required amount of current. You must avoid using repaired fuses or short-circuiting the fuse holders. The fuse, and one replacement fuse, are located in the top part of the mains connector on the line driver’s rear panel. The nominal current value of the fuse is 0.125 A for 230-V[...]

  • Página 36

    35 CHAPTER 4: Installation To connect the line driver to a V.35 DTE or DCE, use an appropriate cable that is pinned correctly (straight-through for DTE, properly crossed for DCE). Run this cable from the other device to the line driver and attach it to the line driver’s interface connector. Your line driver should now be ready for continuous oper[...]

  • Página 37

    36 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) 5. Operation This chapter contains a list of the controls and indicators and their functions, as well as a brief description of how to operate the unit. Installation procedures must be completed and checked before you attempt to operate the line driver. 5.1 Controls and Indicators The front panel of [...]

  • Página 38

    37 Figure 5-2. The front panel of the rackmount car d line driver . T able 5-1. The contr ols. The Item labels in this table correspond to those in Figures 5-1 and 5-2. ITEM CONTROL FUNCTION A DIG Pressing the local digital loopback button causes the local LDM-MR256 to loop received data and clock to its transmitter. Data Set Ready goes low. B ANA [...]

  • Página 39

    38 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) T able 5-2. The indicators. The item numbers in this table correspond to Figures 5-1 and 5-2. ITEM INDICATOR FUNCTION 1 PWR Green LED is on when power is on. 2 RTS Yellow LED is on when terminal activates Request to Send. 3 TD Yellow LED is on when steady SPACE is being transmitted. It flickers when [...]

  • Página 40

    39 CHAPTER 6: T roubleshooting 6. T roubleshooting This chapter explains system-test and fault-isolation procedures. The line driver provides local loopback and remote digital loopback in compliance with the V.54 standard. Unless you disable them, the unit’s loopback tests can be activated manually from the unit’s front panel, and the local ana[...]

  • Página 41

    40 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) Figure 6-1. BERT using loops. Figure 6-2. T wo line drivers doing end-to-end BERT . P A TTERN GENERA TOR P A TTERN TESTER ERROR PAT T DEPRESSED P A TTERN GENERA TOR ERROR DEPRESSED (DISCONNECTS EXTERNAL DTE) P A TTERN TESTER RCV DTE XMT PAT T PRESSED P A TTERN GENERA TOR P A TTERN TESTER ERROR RCV XM[...]

  • Página 42

    41 6.3 The Modem Self-T est To verify that the line driver itself is operating correctly, initiate the modem self- test by pressing the PATT and ANA buttons (refer to Figure 6-3 below): 1. Press ANA to start local analog loopback. Both the TEST and DCD LEDs should light. If the DCD LED doesn’t light, make sure that the RTS signal is not OFF (low)[...]

  • Página 43

    42 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) 2. Verify that the DTE is operating properly and can be used for a test. 3. Perform the test using one of these methods: • Send data from the DTE and check the echoed data stream. • Hook up an external Bit Error Rate Test (BERT) unit in place of the DTE. • Use the line driver’s internal BERT.[...]

  • Página 44

    43 CHAPTER 6: T roubleshooting 6.5 Remote Digital Loopback Activate the remote digital loopback test by pressing the REM button or by raising the level of the remote loopback signal received by the line driver’s V.35 connector (Pin HH). This test involves creating an outbound loopback at the remote line driver (see Figure 6-5 on the next page). T[...]

  • Página 45

    44 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) Figure 6-5. Remote digital loopback. 6.6 Local Digital Loopback Activate the local digital loopback test by pressing the DIG button on the line driver’s front panel. This test involves creating an outbound loopback at the local line driver (see Figure 6-6 on the next page). It works the same way as[...]

  • Página 46

    45 CHAPTER 6: T roubleshooting 4. After the test is complete or the fault has been corrected, restore the DIG button to its normal position. Figure 6-6. Local digital loopback. 6.7 Calling Black Box If you determine that your line driver is malfunctioning, do not attempt to alter or repair the unit. It contains no user-serviceable parts. Contact Bl[...]

  • Página 47

    46 256-KBPS LINE DRIVER (V .35, RS-530, OR X.21) 6.8 Shipping and Packaging If you need to transport or ship your line driver: • Package it carefully. We recommend that you use the original container. • If you are shipping the line driver for repair, make sure you include its power cord. If you are returning the LDM-MR256, make sure you include[...]

  • Página 48

    47 Appendix: Maximum Distances The maximum distance that a pair of line drivers can communicate across will vary depending on the data rate and the thickness (gauge) of the wires. In multipoint applications, it will also vary depending on the number of slaves on the line. Approximate maximum distances for different combinations of these factors are[...]

  • Página 49

    1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746 © Copyright 2004. Black Box Corporation. All rights reserved.[...]