Instruction/ maintenance manual of the product 202T-S Telenetics
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Document No. 49-0002-017 Rev. A Installation, Operation & Diagnostics for the MIU202T-S Industrial Grade, Bell 202T-S Standalone Modem.
Document No. 49-0002-017 Rev. A Telenetics Corporation 26772 Vista Terrace Drive Lake Forest, California 92630 (949)455-4000 Fax (949)455-4010.
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 1 TABLE OF CONTENTS 1. STANDARDS .... ............................................................................ .............. 2 2. PRODUCT OVERVIEW .. ...............
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 2 Meets FCC Rules Part J, Subpart 15 , Class A for radi at ed emissions.
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 3 2. PR ODUCT OV ERVIEW The MIU202T is an industrial grade Bell202T m odem for connecti on to unconditioned and conditioned, voi ce grade, type 3002 two or four-wire leased lines and m eta llic lines (eg; pi lot wires).
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 4 3. GENERAL PR ODUCT 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 125VD C 120VAC 220VAC 65mA 27m A 7.
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 5 4. MODEM SPECIFICATIONS Modulation: Bell202T Modulation Type: FSK Synch/Async: Synchronous or Asynchronous Data Rate:.
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 6 Other Features Receiver Equalizati on: Comprom ise Equali zation Self Test Diagnostics: None Local Analog Loopback: S.
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 7 5. ANALOG LI NE SPECIFICATIONS The MIU202T contains analog circ uitry for connectio n to the publi c conditione d or unconditioned, Bell type 3002, 2 or 4-wire, full duplex voice grade lea sed lines or meta llic lines (eg; pilot wires).
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 8 6. ANALOG MI CROWAVE INTERFACE The MIU202Tis designed to interfac e to a Microwave radio voice channel network with the following speci fications: Phase Jitter (10 to 300Hz) 1 degree peak-to-pea k, max.
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 9 Crosstalk (unint elligible): Adjacent channel 28dBrnc0 maximu m (2 4 4 55 B w ei gh ted noise a t 0 dBm O dBrnc0 t ypical).
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 10 7. POWER CONNECTIONS.
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 11 8. SERIAL DATA PORT PIN-OUTS For Synchr onous Mode 6 TxDClk (was DSR) 15 TxDClk 9 RxDClk (was RI) 17 RxDClkl.
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 12 9. DIP SWITCH FUNCTIONS IMPORTANT NOTE: Invert m odem t o vi ew dip switches as shown above Table 1 Switch Function .
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 13 Table 2: RTS/CTS Delay T ime 2 Wire 4 Wire Swit ched Carrier Constant Carrier Switch 4 Swit ch 5 Swit ch 9 Soft Carr.
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 14 10. MODEM CONFIGURATION The following table provides the Dip Swit ch settings requi red for m ost modem a pplicati o.
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 15 11. LED INDICATOR.
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 16 12. OUTLINE DRAWING & MOUNTING.
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 17 13. DIAGNOSTICS The following pages provide har dware techni ques for diagnosing comm unicati on problems and there by is olating the problem at the local mod e m, th e r e mo te mo de m o r the interconnecting line.
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 18 Set Dip Switch 1 OFF (TxA = -10dBm ) and Dip Switch 3 OFF (RxA = -43dB m). CD will be ON. Run a test m essage a t TxD and verify that the sam e message is receive d at RxD with no data errors.
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 19 (c) REMOTE DIGITAL LOOPBACK – 4/Wire Network (Figure 5) Configure both the l ocal and remo te modem s as follows: .
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 20 (d) LINE DIAGNOSTICS (i) Typical m odem configuration for 4-wi re 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 = 1m s) Switch 6 = ON (Const ant Carrier m ode).
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 21.
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 22.
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 23.
MIU202T-S Installation, Operation & Diagnostics Edition: March 16, 1999 Page 24 NOTES:.
An important point after buying a device Telenetics 202T-S (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Telenetics 202T-S yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Telenetics 202T-S - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Telenetics 202T-S you will learn all the available features of the product, as well as information on its operation. The information that you get Telenetics 202T-S will certainly help you make a decision on the purchase.
If you already are a holder of Telenetics 202T-S, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Telenetics 202T-S.
However, one of the most important roles played by the user manual is to help in solving problems with Telenetics 202T-S. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Telenetics 202T-S along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center