Manuale d’uso / di manutenzione del prodotto MIU202T Modem del fabbricante Telenetics
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Document No. 49-0002-011 Rev. B Installation, Operation & Diagnostics for the MIU202T Industrial Grade, Bell 202T Standalone Modem.
Document No. 49-0002-011 Rev. B Telenetics Corporation 25111 Arctic Ocean Lake Forest, California 92630 (949)455-4000 Fax (949)455-4010.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 1 TABLE OF CONTENTS 1. STANDARDS .............................................................................................. 2 2. PRODUCT OVERVIEW ..................
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 2 1. STANDARDS Meets FCC Rules Part J, Subpart 15, Class A for radiated em issions.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 3 3. GENERAL PRODUCT SPECIFICATIONS Dimensions: 5.3 x 4.0 x 1.375 inches Weight: 1 l b Voltage Supply : Standard Model: 40 to 270VDC 40 to 270VAC, 50/60Hz LV Model (Suffix “-LV”): 9 to 36VDC Current Requirements : 12VDC 24VDC 125VDC 120VAC 220VAC 65mA 27m A 7.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 4 4. MODEM SPECIFICATIONS Modulation: Bell202T Modulation Type: FSK Synch/Async: Asynchronous Only Data Rate: 0 – 1.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 5 Other Features Receiver Equalization: Compromise Equalization Self Test Diagnostics: None Local Analog Loopback: Se.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 6 5. ANALOG LINE SPECIFICATIONS The MIU202T contains analog circuit ry for connection to the public conditioned or unconditi oned, Bell type 3002, 2 or 4-wi re, full duplex voice grade leased lines or metallic lines (eg; pilot wires).
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 7 6. ANALOG MICROWAVE INTERFACE The MIU202Tis designed to interface to a Microwave radio voice channel network with the fo llowing specifications: Phase Jitter (10 to 300Hz)1 degree peak-to-peak, max.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 8 Crosstalk (unintelligib le): Adjacent channel 28dBrnc0 ma ximum (24 455B weighted noise at 0 dBmO dB rnc0 typical).
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 9 7. POWER CONNECTIONS.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 10 8. SERIAL DATA PORT PIN-OUTS.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 11 9. DIP SWITCH FUNCTIONS IMPORTANT NOTE: Invert m odem to view di p switches as shown above Table 1 Switch Function.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 12 Table 2: RTS/CTS Delay Time 2 Wire 4 Wire Switched Carrier Constant Carrier Switch 4 Switch 5 Switch 9 Soft Carrie.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 13 10. MODEM CONFIGURATION The following table provi des the Dip Switch setti ngs required for most modem application.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 14 11. LED INDICATOR.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 15 12. OUTLINE DRAWING & MOUNTING.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 16 13. DIAGNOSTICS The following pages provide hard ware techniques for diagnosing comm unication problems and t hereby isolating the problem at the local modem, the remote modem or the interconn ecting line.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 17 Set Dip Switch 1 OFF (TxA = -10dBm) and Di p Switch 3 OFF (RxA = -43dBm). CD will be ON. Run a test message at TxD and verify that the sam e message is received at RxD with no data errors.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 18 (c) REMOTE DIGITAL LOOPBACK – 4/Wire Network (Figure 5) Configure both the local and rem ote modem s as follows:.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 19 (d) LINE DIAGNOSTICS (i) Typical m odem configurati on for 4-wire Point-to-Point system… Switch 1 = ON (TxA = 0dBm ) Switch 3 = ON (RxA = -33dBm ) Switch 4 = OFF (RTS/CTS = 1m s) Switch 5 = OFF (RTS/CTS = 1m s) Switch 6 = ON (Constant Carrier mode).
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MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 22.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 23 Addendum: 202T built on 1224 printed circuit board. Test Functions: A mom entary push button swit ch and two yellow LED’s are provi ded to perform the test funct ions.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Telenetics MIU202T Modem è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Telenetics MIU202T Modem - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Telenetics MIU202T Modem imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Telenetics MIU202T Modem ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Telenetics MIU202T Modem, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Telenetics MIU202T Modem.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Telenetics MIU202T Modem. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Telenetics MIU202T Modem insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.