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NOVEMBER 1997

MT632A-ST35

MT632A-ST232

MT632A-SM35

MT632A-SM232

SFOM-HS2

CUSTOMER SUPPORT INFORMATION

Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX
FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mail order:  Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com •   E-mail: [email protected]

SFOM-HS2

REM

NOR

ANA

PWR

TST

CD

TD

Summary of Contents for MT632A-SM23

Page 1: ...ee in the U S 24 hours 7 A M Monday to midnight Friday 877 877 BBOX FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mail order Black Box Corporation 1000 Park...

Page 2: ...IN THIS MANUAL UL is a registered trademark of Underwriters Laboratories Incorporated ST is a registered trademark of AT T Any other trademarks mentioned in this manual are acknowledged to be the prop...

Page 3: ...erated 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 measure...

Page 4: ...abo s tano mojado o cerca de una alberca etc 6 El aparato el ctrico debe ser usado nicamente con carritos o pedestales que sean recomendados por el fabricante 7 El aparato el ctrico debe ser montado a...

Page 5: ...ntactos 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 loc...

Page 6: ...injury use it only with a UL listed and CSA Certified Class 2 power supply rated 9 VDC 300 mA Exigences UL INSTRUCTIONS IMPORTANTS DE S CURIT Pour les utilisateurs Nord Americains Le SFOM HS2 est ren...

Page 7: ...artially removed 3 Do not install the equipment with indicators facing down T V Zertifizierungsanforderungen Installation Bedieningsanleitung Leistungsaufnahme 9 VDC 300 mA Die nachfolgenden Anleitung...

Page 8: ...NTENTS Contents 1 Specifications 9 2 Introduction 13 3 Installation and Configuration 16 4 Operation 19 4 Troubleshooting 23 4 1 Diagnostic Loopback Tests 23 4 2 Calling Black Box 25 4 3 Shipping and...

Page 9: ...TSS V 35 Line side Multimode fiberoptic Protocols Synchronous or asynchronous user selectable Clock Source Internal external from device side or recovered from line side receive signal Data Format Asy...

Page 10: ...device either by 12 5 allows a 2 5 to 1 difference or by 25 allows a 2 5 to 2 3 difference user selectable Carrier Constantly ON or follows RTS user selectable Operation Full duplex over duplex fiber...

Page 11: ...r test selection 10 Internal DIP switch positions for protocol data rate data format stop bit shortening carrier and interface based loop control Diagnostics Local analog and remote digital loopback c...

Page 12: ...a 17 5 45 cm adapter cable that patches this to an M 34 34 pin M block female Line side SMxxx models 2 SMA 906 female STxxx models 2 ST female Power From wallmount power supply PS632 not included Inpu...

Page 13: ...le see Table 2 1 below Each has fiberoptic connectors on one side for attaching fiberoptic cable and a DB25 connector on the other side for attaching your data terminal equipment DTE The V 35 models i...

Page 14: ...4 km see Figure 2 1 below Figure 2 1 A typical SFOM HS2 application Each unit also supports two ITU V 54 industry standard loop tests for easy convenient diagnostics see Section 4 3 The SFOM HS2 can g...

Page 15: ...arrier is constantly ON or switched In switched mode the carrier is controlled by the RTS signal so you can transfer a control signal end to end 9 VDC power for the unit comes from the external wallmo...

Page 16: ...o configure the SFOM HS2 prior to installation See Chapter 4 for more about configuration options Figure 3 1 The internal DIP switches To set the DIP switches in an SFOM HS2 1 Use a small screwdriver...

Page 17: ...le 3 1 on the next page lists the possible settings A similar table is printed inside the unit s plastic case for reference during field installations See pages 18 and 19 for the recommended settings...

Page 18: ...Determines carrier constantly on or controlled by RTS ANA Determines DTE control of analog loop REM Determines DTE control of remote digital loop 1 2 3 ON OFF OFF OFF OFF OFF OFF OFF ON OFF ON OFF 4...

Page 19: ...n a Use switches 1 2 and 3 to set XMT timing to INT internal EXT external or RCV recovered b Use switch 4 to set the data rate to 56 or 64 Kbps c Use switch 8 to set carrier to constantly on or contro...

Page 20: ...essary refer to Table 3 1 on page 17 Figure 3 1 on page 15 d Use switch 8 to set carrier to constantly on or controlled by RTS For example DIP switch settings on an SFOM HS2 configured for async opera...

Page 21: ...om the SFOM HS2 to your DTE s M 34 also called 34 pin M block connector If you have to run an additional cable between the DTE and the SFOM HS2 keep it as short as possible Once you ve made this conne...

Page 22: ...21 CHAPTER 3 Installation and Configuration 6 Connect the output cord of the included external power supply to the SFOM HS2 s power jack then plug the transformer into a nearby AC wall outlet...

Page 23: ...opback tests the local SFOM HS2 by routing the transmit signal the unit gets from the attached device back to that device through its receiver see Figure 4 1 below Figure 4 1 Local analog loopback ANA...

Page 24: ...your DTE DIP switches 9 and 10 must be set to ENABLE see Figure 3 1 on page 15 and Table 3 1 on page 17 Start the loop test by moving the top panel loop selection switch to the desired test position...

Page 25: ...The problem might be solvable over the phone Before you call make a record of the history of the problem We will be able to provide more efficient and accurate assistance if you have a complete descr...

Page 26: ...ansport or ship your SFOM HS2 Package it carefully We recommend that you use the original container If the shipping is return or repair related pack the SFOM HS2 its power supply and this manual toget...

Page 27: ...NOTES...

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