Manuale d’uso / di manutenzione del prodotto MIU202T del fabbricante Telenetics
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Document No. 49 - 0002 - 011 Rev. A Installation, Operation & Diagnostics for the MIU202T Industrial Grade, Bell 202T Standalone Modem.
Document No. 49 - 0002 - 011 Rev. A Telenetics Corporation ARC Electronics 800 - 926 - 0226.
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 1 TABLE OF CONTENTS 1. STANDARDS ......................................................................................................... 2 2. PRODUCT OVERVI EW ...........
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 2 1. STANDARDS Meets FCC Rules Part J, Subpart 15, Class A for radiated emissions.
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 3 2. PRODUCT OVERVIEW The MIU202T is an industrial grade B ell202T modem for connection to unconditioned and conditioned, voice grade, type 3002 two or four - wire leased lines and metallic lines (eg; pilot wires).
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 4 3. GENERAL PRODUCT SPECIFICATIONS Dimensions: 5.3 x 4.0 x 1.375 inches Weight: 1 lb 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 27mA 7.
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 5 4. MODEM SPECIFICATIONS Modulation: Bell202T Modulation Type: FSK Synch/Async: Asynchronous Only Data Rate: 0 – 1200bp.
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 6 Other Features Receiver Equalization: Compromise Equalization Self Test Diagnostic s: None Local Analog Loopback: See Se.
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 7 5. ANALOG LINE SPECIFICATIONS The MIU202T contains analog circuitry for connection to the public conditioned or unconditioned, Bell type 3002, 2 or 4 - wire, full duplex voice grade leased lines or metallic lines (eg; pilot wires).
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 8 6. ANALOG MICROWAVE INTERFACE The MIU202Tis designed to interface to a Microwave radio voice channel network with the following specifications: Phase Jitter (10 to 300Hz)1 degree peak - to - peak, max.
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 9 Crosstalk (unintelligible): Adjacent channel 28dBrnc0 maximum (24 455B weighted noise at 0 dBmO dBrnc0 typical).
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 10 7. POWER CONNECTIONS.
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 11 8. SERIAL DATA PORT PIN - OUTS.
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 12 9. DIP SWITCH FUNCTIONS IMPORTANT NOTE: Invert modem to view dip switches as shown above Table 1 Switch Function ON OFF.
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 13 Table 2: RTS/CTS Delay Time 2 Wire 4 Wire Switche d Carrie r Constan t Carri e r Switch 4 Switch 5 Switch 9 Soft Carrie.
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 14 10. MODEM CONFIGURATION The following table provides the Dip Switch settings required for most modem application config.
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 15 11. LED INDICATOR.
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 16 12. OUTLINE DRAWING & MOUNTING.
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 17 13. DIAGNOSTICS The following pages provide hardware techniques for diagnosing communication problems and thereby isolating the problem at the local modem, the remote modem or the interco nnecting line.
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 18 Test 3: Received Signal Level Set Dip Switch 1 OFF (TxA = - 10dBm) and Dip Switch 3 OFF (RxA = - 43dBm). CD will be ON. Run a test message at TxD and verify that the same message is received at RxD with no data errors.
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 19 (c) REMOTE DIGITAL L OOPBACK – 4/Wire Network (Figure 5) Configure both the local and remote modems as follows: Switc.
MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 20 (d) LINE DIAGNOSTICS (i) Typical modem configuration for 4 - wire Point - to - Point system… Switch 1 = ON (TxA = 0dBm) Switch 3 = ON (RxA = - 33dBm) Switch 4 = OFF (RTS/CTS = 1ms) Switch 5 = OFF (RTS/CTS = 1ms) Switch 6 = ON (Constant Carrier mode).
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MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 24 NOTES:.
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 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 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Telenetics MIU202T imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Telenetics MIU202T ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Telenetics MIU202T, 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.
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. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Telenetics MIU202T 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.