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Non-Powered Port-Sharing (NPPS) and Non-Powered

1. Both units are completely transparent to the system and the data They operate with synchronous or asynchronous equipment and generate timing signals using either external clocks from the main channel in the NPMS or internal clocks in the NPPS NON POWERED PORT SHARING OR MODEM SHARING DEVICES 3 Installation 3 1 Installing the NPMS TL112A Installation of the NPMS is straightforward and simple No tuning or strapping is required 1 Connect the pigtail main connector to the main modem 2 Connect the female connectors on the NPMS to the terminals using straight through cables 3 Strap the main modem to internal clock 4 The NPMS is now ready for operation 3 2 Installing the NPPS TL111A Installation of the NPPS is straightforward and simple No tuning is required but three options must be strapped To set the options as desired follow these steps 1 Press the two tabs on either side of the unit When the tabs are free you can separate the two halves of the cover 2 Determine the bit rate by strapping to the appropriate speed as shown in Table 3 1 3 Choose between contention on data transitions and DCD or contention on DCD Data Carrier Detect only for each one of the subchannels See Table 3 1 CHAPTER 3 Installation Table 3 1 NPPS strap selection Bit Rate Selects the rate at which 1200 data is transmitted 2400 4800 9600 9600 19 200 Determines if subchannel 2 contends by data and
2. lt gt BL ACK BOX M EE EE RN EN RR TL111A TL112A Non Powered Port Sharing NPPS and Non Powered Modem Sharing NPMS Devices puppe ey 9 CUSTOMER 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 eb site www blackbox com E mail info blackbox com FCC INFORMATION 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
3. s all a lo descrito en las instrucciones de operaci n Todo otro servicio deber ser referido a personal de servicio calificado El aparato el ctrico debe ser situado de tal manera que su posici n no interfiera su uso La colocaci n del aparato el ctrico sobre una cama sofa alfombra o superficie similar puede bloquea la ventilaci n no se debe colocar en libreros o gabinetes que impidan el flujo de aire por los orificios de ventilaci n El equipo el ctrico deber ser situado fuera del alcance de fuentes de calor como radiadores registros de calor estufas u otros aparatos incluyendo amplificadores que producen calor El aparato el ctrico deber ser connectado a una fuente de poder s lo del tipo descrito en el instructivo de operaci n o como se indique en el aparato B AO o 4 12 Precauci n debe ser tomada de tal manera que la tierra fisica y la polarizaci n 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 atenci n a los contactos y recept culos donde salen del aparato 14 El equipo el ctrico debe ser limpiado nicamente de acuerdo a las recomendaciones del fabricante 15 En caso de existir una antena externa deber ser localizada lejos de las lineas de energia 16 El cable de corriente deber ser desconectado del cuando el equipo no
4. 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 ventilaci n 18 Servicio por personal calificado deber ser provisto cuando A El cable de poder o el contacto ha sido danado u B Objectos han ca do o l quido 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 desempeno o E Elaparato ha sido tirado o su cubierta ha sido danada NON POWERED PORT SHARING OR MODEM SHARING DEVICES TRADEMARKS USED IN THIS MANUAL Any trademarks mentioned in this manual are acknowledged to be the property of the trademark owners CONTENTS Contents Chapter Page osa ec Pr 6 o 1 LOC eresien k eer rn rene TEE Eneee aS eaei 7 SSAA es Een 8 o Installing the NPMS TLIA a dicas anses 8 3 2 Installing the NPPS TLIA Se es des 8 4 RS 232 Recommended Standard Pinout 10 NON POWERED PORT SHARING OR MODEM SHARING DEVICES 1 Specifications Number of Sub Channels 2 expandable by series connection Channel Configuration TL111A NPPS Main channel Port configured as a DCE device Sub channels Modems configured as DTE devices TL112A NPMS Main channel Modem configured as a DTE device Sub channels Ports configured as DCE devices Sub Channel Selection NPPS DCD or data transition
5. DA 113 Transmitted Signal Input Output EN bli mro wp Pins marked N C Not Connected are not used RS 232 Interface Female SIGNAL PIN PIN SIGNAL DESTINATION NUMBER NUMBER DESTINATION PROTECTIVE GROUND 1 TRANSMITTED DATA 2 RECEIVED DATA 3 REQUEST TO SEND 4 CLEAR TO SEND 5 DATA SET READY 6 SIGNAL GROUND COMMON RETURN 7 RECEIVED LINE SIGNAL DETECTOR 8 VOLTAGE 9 VOLTAGE 10 11 SECONDARY RECEIVED LINE SIGNAL INDICATOR 12 SECONDARY CLEAR TO SEND 13 14 SECONDARY TRANSMITTED DATA 15 DCE TRANSMITTER SIGNAL ELEMENT TIMING 16 SECONDARY RECEIVED DATA 17 RECEIVER ELEMENT TIMING 18 19 SECONDARY REQUEST TO SEND 20 DATA TERMINAL READY 721 SIGNAL QUALITY DETECTOR 7 22 RING INDICATOR 7 23 DATA SIGNAL RATE SELECTOR 24 DTE TRANSMITTER SIGNAL ELEMENT TIMING 7 25 Figure 4 1 RS 232 interface lt BLACK BOX Copyright 2001 Black Box Corporation All rights reserved 1000 Park Drive Lawrence PA 15055 1018 724 746 5500 e Fax 724 746 0746
6. DATA DCD or by DCD only CH1 Determines if subchannel DCD 1 contends by data and DATA DATA DCD or by DCD only Terminal Terminal Modem Figure 3 1 Typical application for the NPMS Computer Figure 3 2 Typical application for the NPPS NON POWERED PORT SHARING OR MODEM SHARING DEVICES 4 RS 232 Recommended Standard Pinout CCITT Description V 24 FG AA 1 Frame Protective Ground Transmitted Data put Output 104 Received Data Output Input RD RIS CA Request to Send utput TS 106 Clear to Send Output Input DSR CC 107 Data Set Ready Output Input 02 Signal Ground 109 Received Line Signal Output Input Oo 5 S c c e O1 C Detector Reserved for Data Set Output Input Testing Reserved for Data Set Output Input NO Testing Handshake N SDCD SCF 122 m Received Line N Signal Detector SCTS SC 21 Secondary Clear to Send Data aiam i Element TE 19 115 Receiver Signal Element Output Tg SHTS 120 Secondary Request to N C Send CD 108 2 Data Terminal Ready Output Pins marked N C Not Connected are not used mss O Z Z O O s a O Oo O 5 00 EE CT lae CHAPTER 4 RS 232 Recommended Standard Pinout CCITT Description Direction 22 mi om 125 Ringindicator NO NC Ll mmm pe Selector DTE e je m Data Signal Rate N C Selector DCE 24 SCTE
7. s NPMS RTS on Sub Channel Deselection NPPS DCD off or 16 bits of idle data NPMS RTS off Timing Synchronous TL111A NPPS Internal clock 1200 2400 4800 9600 and 19 200 bps TL112A NPMS External derived from the main modem up to 19 200 bps Asynchronous TL111A NPPS Up to 19 200 bps TL112A NPMS Up to 19 200 bps Power None required low power is derived from data and handshaking signals of the attached devices 6 VDC minimum at 8 mA Size 1 H x 2 W x 5 D 2 5 x 5 1 x 12 7 cm Weight 5 3 oz 150 3 g CHAPTER 2 Introduction 2 Introduction The Non Powered Port Sharing Device TL111A enables two modems to share a master port in a multipoint environment The Non Powered Modem Sharing Device TL112A enables two terminals to share a modem or multiplexor in a multipoint environment The main channel broadcasts information to sub channels in parallel Sub channels contend to transmit to the main channel on the NPPS model by activating DCD only or by data transitions and DCD On the NPMS model RTS activates contention If RTS DCD data is raised the sub channel s transmit data and controls are connected to the main channel When RTS DCD data drops control circuitry is switched to monitor the other sub channel A sub channel is disconnected immediately after it drops RTS on the NPMS On the NPPS disconnection occurs immediately after DCD drops or the transmission of 16 idle bits strappable
8. 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 pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la classe A prescrites dans le R glement sur le brouillage radio lectrique publi par Industrie Canada NON POWERED PORT SHARING OR MODEM SHARING DEVICES 10 pL NORMAS OFICIALES MEXICANAS NOM ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD Todas las instrucciones de seguridad y operaci n deber n ser le das antes de que el aparato el ctrico sea operado Las instrucciones de seguridad y operaci n deber n ser guardadas para referencia futura Todas las advertencias en el aparato el ctrico y en sus instrucciones de operaci n deben ser respetadas Todas las instrucciones de operaci n y uso deben ser seguidas El aparato el ctrico no deber ser usado cerca del agua por ejemplo cerca de la tina de bano lavabo s tano mojado o cerca de una alberca etc El aparato el ctrico debe ser usado nicamente con carritos o pedestales que sean recomendados por el fabricante El aparato el ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante Servicio El usuario no debe intentar dar servicio al equipo el ctrico m

Non-Powered Port-Sharing (NPPS) and Non-Powered

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