Black Box High-Speed SME V.35-DB25 Manual Download Page 1

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CUSTOMER

SUPPORT

INFORMATION

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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]

JUNE 1994

ME107A

ME108A

ME107AE

ME108AE

ME107C

ME108C

High-Speed SME V.35-M34

High-Speed SME V.35-DB25

CTS RXD

PWR RLSD RTS TXD

Summary of Contents for High-Speed SME V.35-DB25

Page 1: ...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 JU...

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 co...

Page 3: ...ED SME V 35 Contents Chapter Page 1 Specifications 1 2 Introduction 3 3 Configuration 5 4 Installation 8 5 Troubleshooting 9 5 1 Calling Black Box 9 5 2 Shipping and Packaging 9 Appendix Connector Pin...

Page 4: ...544 Mbps that evenly divides 3 088 Mbps data rate regime and individual data rate user selectable Maximum Distance Up to 2000 ft 609 6 m on each side depending on cable quality and data rate User Con...

Page 5: ...ut Range 104 to 127 VAC 45 to 65 Hz Nominal Input 115 VAC 60 Hz at 100 mA Output 17 VAC CT at 700 mA ME107AE ME108AE From wallmount power supply PS145E Input Range 207 to 253 VAC 45 to 65 Hz Nominal I...

Page 6: ...st to Send lights when the device connected to J1 raises the RTS signal and the SME in turn raises the RLSD signal on J2 CTS Clear to Send lights when the device connected to J1 is clear to send That...

Page 7: ...f the devices you want to attach to it depends on the cabling standards of the interface that your SME uses the data rate you select higher data rates often require shorter cable runs noise sources be...

Page 8: ...ck is the SME s internal clock signal When a port s timing is external the SME gets the clock from that port s terminal timing SCTE signal When a port s timing is recovered the SME gets the clock from...

Page 9: ...timing is external from J1 s SCTE Serial Clock Transmit External pins In the RCVD position timing is recovered from J2 s SCTE Serial Clock Transmit External pins In the INT position timing is internal...

Page 10: ...a data rate other than those shown here call Black Box If your SME can support your desired data rate technical support personnel can help you determine how to set these switches If standard SMEs can...

Page 11: ...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 reco...

Page 12: ...scription including 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 mak...

Page 13: ...ignal Ground Ground F 8 RLSD Received Line Signal Detector Control From DCE X 9 SCR B Serial Clock Receive B Timing From DCE W 11 SCTE B Serial Clock Transmit External B Timing To DCE AA 12 SCT B Seri...

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