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SME 422

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: 

info@blackbox.com

NOVEMBER 1993

ME101A-R2

ME101AE-R2

ME101-C

ME102A-R2

ME102AE-R2

ME102C-R2

ME103A-R2

ME103AE-R2

ME103C-R2

ME105A-R2

ME105AE-R2

Synchronous Modem Eliminator

SME–422
SME–V.35
SME–530
SME–X.21

Summary of Contents for ME101-C

Page 1: ...ours 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 info blackbox com NOVEMBER 1993 ME101A R2 ME101AE R2 ME101 C ME102A R2 ME102AE R2 ME102C R2 ME103A R2 ME103AE R2 ME103C R2 ME105A R2 ME105AE R2 Synchronous Modem Eliminator SME 422 SME V 35 SME 530 SME X 21 ...

Page 2: ...er 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 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 Regul...

Page 3: ...Page 1 Specifications 1 2 Introduction 3 2 1 Overview 3 2 2 LED Indicators 4 2 3 Power Supply 5 2 4 Guidelines for Cable Length 5 3 Configuration 6 4 Installation 19 5 Troubleshooting 20 5 1 Calling Black Box 20 5 2 Shipping and Packaging 20 Appendix Connector Pinouts 21 ...

Page 4: ...nges of data rates from the standard model s Selected data rates supported by the two most popular specials are listed in Tables 3 6 and 3 7 on pages 14 and 15 Call our technical support for more information Maximum Distance Up to 2 000 ft 609 6 m on each side depending on cable quality and data rate User Controls All models 2 Internal 6 position DIP switches for selecting the data rate All models...

Page 5: ...65 Hz Output 17 VAC CT at 700 mA 240 VAC standalone models From wallmount power supply PS145E Optimal input 230 VAC 50 Hz at 50 mA Input range 207 to 253 VAC 45 to 65 Hz Output 17 VAC CT at 700 mA Card models From rack s power supply interface All models Consumption 7 5 to 13 W Temperature 32 to 122 F 0 to 50 C Humidity 0 to 95 noncondensing Enclosure Standalone Units Plastic Size Standalone model...

Page 6: ...03AE R2 for the 240 VAC standalone and ME103C R2 for the card version connects devices that use the RS 530 interface The SME X 21 our product codes are ME105A R2 for the 120 VAC standalone and ME105AE R2 for the 240 VAC standalone connects devices that use the CCITT X 21 interface Before you install your SME you ll have to configure it by setting its internal straps jumpers and switches Two option...

Page 7: ...data 2 3 2 RECEIVE DATA RXD Lit when the device connected to J1 is receiving data 2 3 3 REQUEST TO SEND RTS Lit when the device connected to J1 raises RTS 2 3 4 CLEAR TO SEND CTS Lit when J1 is clear to send Figure 2 1 Typical SME applications SME X 21 MAINFRAME COMPUTER MAINFRAME COMPUTER Length of Cable 422 Interface specified MAINFRAME OR MINI SME 422 REMOTE CONTROLLER MINI OR MAINFRAME SME 422...

Page 8: ... is rated at 230 VAC 50 Hz The output of both power supplies is 17 VAC center tapped at 0 7 amps Their output connectors which you should plug into connector P1 on the SME when you re ready to finish the installation are indexed to help prevent incorrect insertion 2 4 Guidelines for Cable Lengths The maximum length of cable you can run between the SME and either of the devices you want to attach t...

Page 9: ...orts straps would be set to A internal clock A small number of applications those in which one device supplies the timing across the line would require one strap set to B and the other set to C Extremely few if any applications would require both straps set to C or one strap set to C and the other to A The SME will not work at all if both straps are set to B or if one strap is set to B and the oth...

Page 10: ...with Data Mode OFF A B W5 In the A B position Data Mode on J2 Pins 11 and 29 is OFF and connected to Terminal Ready Pins 12 and 30 In the B C position Data Mode is ON The unit is shipped from the factory with Data Mode OFF A B W6 Determines the Clear to Send delay on J1 Position A 0 ms no delay Position B 10 ms Position C 50 ms The unit is shipped from the factory with the delay set for 10 ms W7 D...

Page 11: ...A position timing is internal from the SME s internal clock In the B position timing is recovered from J2 s Pins 17 and 35 Terminal Timing In the C position timing is external from J1 s Pins 17 and 35 Terminal Timing The unit is shipped from the factory in the A internal position See the note on page 6 W10 Determines the clock source for J2 Pins 5 and 23 Send Timing on J2 Pins 8 and 26 Receive Tim...

Page 12: ...smit on J1 Pins V and X Serial Clock Receive on J2 In the A position timing is internal from the SME s internal clock In the B position timing is recovered from J2 s Pins U and W Serial Clock Transmit Ext In the C position timing is external from J1 s Pins U and W Serial Clock Transmit Ext The unit is shipped from the factory in the A internal position See the note on page 6 W5 Determines the cloc...

Page 13: ...FF A B W5 In the A B position DCE Ready on J1 Pins 6 and 22 is OFF and connected to DTE Ready Pins 20 and 23 In the B C position DCE Ready is ON The unit is shipped from the factory with DCE Ready OFF A B W6 Sets the Clear to Send delay on J1 Position A 0 ms no delay Position B 10 ms Position C 50 ms The unit is shipped from the factory with the delay set for 10 ms W7 Sets the Clear to Send delay ...

Page 14: ...timing is recovered from J2 s Pins 11 and 24 Transmitter Signal Element Timing DTE In the C position timing is external from J1 s Pins 11 and 24 Transmitter Signal Element Timing DTE The unit is shipped from the factory in the A internal position See the note on page 6 W11 Determines the clock source for J2 Pins 12 and 15 Transmitter Signal Element Timing DCE on J2 Pins 9 and 17 Receiver Signal El...

Page 15: ...9 In the A B position Indication DB37 Pins 13 and 31 DB15 Pins 5 and 12 on J1 is derived from Control DB37 Pins 7 and 25 DB15 Pins 3 and 10 on J2 In the B C position Indication on J1 is constantly held ON The unit is shipped from the factory with Indication derived from Control A B W10 Keep this strap set for internal timing on J1 Position A the factory default setting The SME s internal clock is ...

Page 16: ...ON OFF 96000 OFF OFF OFF OFF OFF OFF ON ON OFF ON ON OFF 112000 OFF OFF OFF OFF OFF OFF ON ON ON OFF ON OFF 128000 OFF OFF OFF OFF OFF OFF OFF OFF ON OFF ON OFF 192000 OFF OFF OFF OFF OFF OFF ON OFF ON ON OFF OFF 224000 OFF OFF OFF OFF OFF OFF ON ON OFF ON OFF OFF 336000 OFF OFF OFF OFF OFF OFF ON ON ON OFF OFF OFF 384000 OFF OFF OFF OFF OFF OFF OFF ON ON OFF OFF OFF 448000 OFF OFF OFF OFF OFF OFF...

Page 17: ...ON OFF OFF 204800 OFF OFF OFF OFF OFF OFF ON ON OFF ON OFF OFF 307200 OFF OFF OFF OFF OFF OFF ON ON ON OFF OFF OFF 409600 OFF OFF OFF OFF OFF OFF ON OFF ON OFF OFF OFF 614400 OFF OFF OFF OFF OFF OFF ON ON OFF OFF OFF OFF 819200 OFF OFF OFF OFF OFF OFF OFF ON OFF OFF OFF OFF 1228800 OFF OFF OFF OFF OFF OFF ON OFF OFF OFF OFF OFF To enable them to reach certain normally unsupported speeds we can mod...

Page 18: ...OFF OFF ON OFF 192000 OFF OFF OFF OFF OFF OFF ON ON ON ON OFF OFF 256000 OFF OFF OFF OFF OFF OFF ON ON OFF ON OFF OFF 307200 OFF OFF OFF OFF OFF OFF ON OFF OFF ON OFF OFF 384000 OFF OFF OFF OFF OFF OFF ON ON ON OFF OFF OFF 512000 OFF OFF OFF OFF OFF OFF ON OFF ON OFF OFF OFF 614400 OFF OFF OFF OFF OFF OFF OFF OFF ON OFF OFF OFF 768000 OFF OFF OFF OFF OFF OFF ON ON OFF OFF OFF OFF 1024000 OFF OFF O...

Page 19: ...CTS TXD DCD RTS RXD 1 5 P1 J1 J2 W3 W2 W11 W4 W5 W10 W8 W7 W9 S2 S1 OFF 6 5 4 3 2 1 A B C INT RCVD EXT W6 C B A OFF 6 5 4 3 2 1 A B C A B C A B C A B C A B C A B C INT RCVD EXT 1 A B C A B C W1 Low voltage AC Power DB37 Connector Data Rate Switches Ribbon from DB37 Connector Common Ground Tie Point Rack Power FRONT REAR ...

Page 20: ...OFF ON 6 5 4 3 2 1 S2 OFF ON U9 U10 U11 U12 U15 U14 U13 TPI FOR TEST ONLY C1 C2 C4 C3 CR1 A B C W3 A B C 6 5 4 3 2 1 U4 Low volatge AC Power 34 pin M block Connectors Data Rate Switches Common Ground Tie Point Rack Power FRONT REAR Figure 3 2 SME V 35 Printed Circuit Board Layout CHAPTER 3 Configuration ...

Page 21: ...W8 W7 W9 U6 U7 U8 U9 R10 R11 C4 C5 Y1 U12 R20 S2 U11 R19 S1 VR2 C18 U13 U10 R18 CR1 CR2 OFF 6 5 4 3 2 1 A B C INT RCVD EXT W6 C B A OFF 6 5 4 3 2 1 A B C A B C A B C A B C A B C A B C INT RCVD EXT W1 Low voltage AC Power DB25 Connectors Data Rate Switches Common Ground Tie Point Rack Power FRONT REAR Figure 3 3 SME 530 Printed Circuit Board Layout ...

Page 22: ...nnectors on the two provided adapter cables to those on the SME J1 and J2 Then in Step 3 substitute the cables DB15 female connectors for J1 and J2 All units 3 Run a cable from one of the SME s rear panel connectors labeled J1 or J2 to one of the devices you want to connect Run a second cable from the other device to the SME s other connector Make sure the cables don t exceed the recommended cable...

Page 23: ...ing the nature and duration of the problem when the problem occurs the components involved in the problem any particular application that when used appears to create the problem or make it worse 5 2 Shipping and Packaging If you need to transport or ship your SME Package it carefully We recommend that you use the original container If you are shipping the SME for repair include its power supply an...

Page 24: ...ol From DCE 12 TR A Terminal Ready A Control To DCE 13 RR A Receiver Ready A Control From DCE 15 IC Incoming Call Control From DCE 17 TT A Terminal Timing A Timing To DCE 19 SG Signal Ground Ground 20 RC Receive Common Ground 22 SD B Send Data B Data To DCE 23 ST B Send Timing B Timing From DCE 24 RD B Receive Data B Data From DCE 25 RS B Request to Send B Control To DCE 26 RT B Receive Timing B T...

Page 25: ...eived Line Signal Detector Control From DCE H DTR Data Terminal Ready Control To DCE K LT Test Mode Control From DCE P SD A Send Data A Data To DCE R RD A Receive Data A Data From DCE S SD B Send Data B Data To DCE T RD B Receive Data B Data From DCE U SCTE A Serial Clock Transmit Ext A Timing To DCE V SCR A Serial Clock Receive A Timing From DCE W SCTE B Serial Clock Transmit Ext B Timing To DCE ...

Page 26: ...etector B Control To Terminal 11 TT B Transmitter Signal Element Timing DTE B Timing From Terminal 12 ST B Transmitter Signal Element Timing DCE B Timing To Terminal 13 CS B Clear to Send B Control To Terminal 14 SD B Transmitted Data B Data From Terminal 15 ST A Transmitter Signal Element Timing DCE A Timing To Terminal 16 RD B Receive Data B Data To Terminal 17 RT A Receiver Signal Element Timin...

Page 27: ...ceive B Data From DCE 25 C B Control B Control To DCE 26 B B Byte Timing B Timing From DCE 31 I B Indication B Control From DCE 37 SC Send Common Ground Table A 5 SME X 21 Pinout for DB15 Connectors on Adapter Cables PIN SIGNAL DESCRIPTION SIGNAL TYPE DIRECTION 1 Shield Ground 2 T A Transmit A Data To DCE 3 C A Control A Control To DCE 4 R A Receive A Data From DCE 5 I A Indication A Control From ...

Page 28: ...1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 Copyright 1993 Black Box Corporation All rights reserved ...

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