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63

If you ordered product-code number SW546A-D48, this appendix is relevant
to your Port Manager Switches’s power option.

The 48 Volt DC Power Option (shown below) replaces the standard
117 VAC components on the lower left side of the back panel.

NOTE

Connect -48 Volts DC between the “0” Volt terminal and either of the -48
Volt terminals.

Input Range:  40-60 VDC, 200 milliamps.

Appendix B: SW546A-D48

-48 VOLT INPUTS

0V

-48V

-48V

A

B

Summary of Contents for SW545A

Page 1: ...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 OCTOBER 1996 SW545A SW546A...

Page 2: ...ntial area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be necessary to correct the interference Changes or modifications no...

Page 3: ...arato el ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante 8 Servicio El usuario no debe intentar dar servicio al equipo el ctrico m s all a lo descrito en las...

Page 4: ...una antena externa deber ser localizada lejos de las lineas de energia 16 El cable de corriente deber ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuidado debe...

Page 5: ...he PM Switch 17 3 4 Communicating with the PM Switch Unit 18 4 Installation 22 4 1 Setting the SETUP Switch 22 4 2 Connecting a Modem to the PM Switch 25 4 3 Initializing the Unit to Default Settings...

Page 6: ...to a File 42 7 2 Restoring Saved Parameters 43 8 Command Reference Guide 44 8 1 Command Conventions 44 8 2 Command Response 45 8 3 Command Summary 46 8 4 Command Set 47 9 Troubleshooting 56 9 1 Calli...

Page 7: ...ntrol DTR CTS hardware X ON X OFF software or both independently user selectable for each port Operation Full duplex command echo or half duplex no echo user selectable Data Rate 38 400 19 200 9600 48...

Page 8: ...All models 1 IEC 320 male power inlet SW545 models 8 RJ 11 female SW546 models 16 RJ 11 female Leads Signals Supported Ports 1 and 2 Pins 1 through 6 CTS in SGND RD in RLSD DCD in TD out and DTR out r...

Page 9: ...10 PORT MANAGER SWITCHES Humidity Tolerance 20 to 80 noncondensing Size 1 8 1U H x 17 W x 6 5 D 4 4 x 43 2 x 16 5 cm when rackmount brackets are added the unit is 19 48 3 cm wide Weight 6 lb 2 7 kg...

Page 10: ...select communications parameters or enable or disable options through a convenient menu system The Switch can be easily configured to fit the requirements of almost any data communications applicatio...

Page 11: ...ccess to the outside world through any connected modem but the Switch s modem ports are password protected to restrict unauthorized inbound access to other devices connected to the Switch Configuratio...

Page 12: ...existing port connections ON LED Lights when the unit is receiving AC power SET Button Press this button to initialize the PM Switch to the default values corresponding to the current settings of its...

Page 13: ...fault state Port 1 is the only port with access to all PM Switch commands You can connect Port 1 to either a PC or modem After initial setup this is also true for Port 2 When a modem is connected to t...

Page 14: ...control the PM Switch Run its communications program ProComm for example and set the program to use parameters matching those of the PM Switch 9600 bps 8 data bits no parity DTR CTS flow control and...

Page 15: ...tor pinnned to interface with an IBM AT or compatible computer the other has a DB25 female connector pinnned to interface with an IBM PC XT or compatible computer The third adapter has a DB25 male con...

Page 16: ...u just attached to your modem s serial port If you want to use a different cable to make this connection it must be a six wire straight through pinned twisted pair our product code EYN725MS or flat sa...

Page 17: ...t displayed this might indicate a problem in communicating with the PM Switch unit Check the following Cable connection Check the cable connection between the PM Switch unit and the PC Make certain th...

Page 18: ...isplays Status Screen n Port or name W n Who Displays Port Parameters N Port C n n Connect Local Remote or D n Disconnect all E n Erase Buffer Required Entry I Initialize Test Unit Optional Entry F En...

Page 19: ...FREE 9600 8N DTR ANY OFF L 04 FREE 9600 8N DTR ANY OFF L 05 FREE 9600 8N DTR ANY OFF L 06 FREE 9600 8N DTR ANY OFF L 07 FREE 9600 8N DTR ANY OFF L 08 FREE 9600 8N DTR ANY OFF L 09 FREE 9600 8N DTR AN...

Page 20: ...onnected port ii Issue a Resident Disconnect Sequence to disconnect Port 1 from Port 3 Type Enter Enter b Third Party Connection This type of connection occurs when your resident port issues a command...

Page 21: ...e PM Switch as described in Chapter 4 This chapter describes the procedures for installing the Port Manager Switch and connecting devices to the unit 4 1 Setting the SETUP Switch When the PM Switch is...

Page 22: ...release the CLEAR button then release the SET button Positions 6 and 8 of the SETUP switch are reservedc for future use 4 1 1 DEFAULT DATA RATE POSITIONS 1 THROUGH 3 Use positions 1 through 3 of the S...

Page 23: ...e numeric abbreviated messages Both terse and verbose response messages are summarized in Section 8 2 You can set Position 5 of the SETUP switch to down for verbose messages the factory default settin...

Page 24: ...with the PM Switch through Port 1 This allows access to the unit if the PM Switch is initialized to default parameters In the default state Port 1 is the only port with access to all PM Switch command...

Page 25: ...be connected to the PM Switch To physically connect a device to the PM Switch take these steps 1 Access the Command Mode 2 Determine which PM Switch port will be used for connection to the new device...

Page 26: ...s to the Command Mode and allows the user to redefine the Modem Reset and Hang Up Messages An external modem can also be connected to any other PM Switch port providing that the modem does not require...

Page 27: ...Make certain the PM Switch and ProComm are set for the same communication parameters data rate parity etc 2 Access the PM Switch s Command Mode a Local Access To access the command mode from a local P...

Page 28: ...e location or name of each unit If you defined the Site I D during the initial configuration described in Chapter 3 and have not reinitialized the PM Switch since skip this section NOTE The Site I D c...

Page 29: ...ctions available under that screen To exit a menu or prompt without changing its current configuration press Esc The Password and Port Names are case sensitive When defining Passwords or Port Names ta...

Page 30: ...modem The Modem Mode also allows redefinition of the Modem Reset Message and Hang Up Message Although the default reset and hang up messages are compatible with most modems these messages can be redef...

Page 31: ...and options selected at the Port Configuration Menu will stay in effect until the PM Switch is initialized using the I command or the CLEAR and SET buttons When the unit is initialized parameters wil...

Page 32: ...00 to 38 4K bps 3 Bits Parity Set the number of data bits and type of parity for this port You can choose 8 none 7 even or 7 odd 4 Stop Bits Set the number of stop bits 1 or 2 for this port 5 Handshak...

Page 33: ...sed to redefine the modem hang up message The default Hang Up Message is ATH0 This Hang Up Message is compatible with most modems 7 Commands Determine which commands will be available to this port The...

Page 34: ...rd Party Disconnection from a third port with All command capability 10 Timeout Select the Timeout Period for this port When Timeout Disconnection is enabled for this port and the port does not receiv...

Page 35: ...ice you re using is attached issues a C command to connect to a second port For example if Port 4 issues the C command to connect to Port 5 this is a Resident Connection For a Third Party Connection y...

Page 36: ...ion To connect any two ports other than your resident port type C nn NN where nn and NN are the numbers or names of the two other PM Switch ports then press Enter Examples To connect Port 5 and Port 6...

Page 37: ...ing a Logoff Sequence a The default Logoff Sequence is Enter Enter b If the default Logoff Sequence is not compatible with your application you can redefine the Logoff Character with the P Port Config...

Page 38: ...eout Period b When the Timeout Feature has been enabled the port will automatically disconnect when no additional data is received for the defined Timeout Period The default Timeout Period is 5 second...

Page 39: ...to connect your resident port to the first available port in a group of ports named SALES US SALES CA SALES EU etc the connect command can be invoked as C SALES or even as C S providing no other port...

Page 40: ...t buffer this will decrease the amount of buffer memory available to other ports If the Status Screen indicates an accumulation of data at an unused port the E Erase Buffer command can be invoked to c...

Page 41: ...s the procedures for using ProComm to save and load PM Switch parameters Note that this procedure can also be adapted for use with other communications programs 7 1 Sending Parameters to a File 1 Star...

Page 42: ...Parameters 1 Start ProComm and access the PM Switch Command Mode Press the Page Up key to activate ProComm s Upload menu 2 Select A ASCII The system will display a prompt which reads ASCII UPLOAD Plea...

Page 43: ...press SURE Y N Prompt When the D Disconnect Port E Erase Buffer or I Initialize Unit commands are invoked the Y option can be included in the command line to override the SURE Y N prompt For example t...

Page 44: ...can use the Port Configuration P command to specify an individual response message format for each port In addition to the Terse and Verbose response modes the P command can also select the Quiet Mode...

Page 45: ...Enter X Enter Site ID F Enter X Read Site ID J Enter X X Set Port Parameters P n Enter X Read Port Parameters U Enter X 1 A port with Basic command capability cannot view parameters for a port config...

Page 46: ...nsuccessful attempts to enter the password the port will be put back to sleep Sleep Exit Command Mode X Puts the port to sleep and exits the PM Switch s Command Mode While a port is sleeping the unit...

Page 47: ...mmand Availability All Administrator Basic User Command Format H Enter PM Switch Response Displays Help Screen Status S Displays the Status Screen shown below which lists current conditions and parame...

Page 48: ...8N DTR ANY OFF L 05 SALES3 C 02 19 2 8N DTR ANY OFF H 06 SALES4 FREE 9600 8N XON ANY 15 MIN L 07 ENGR1 FREE 9600 8N DTR ANY 5 SEC L 08 ENGR2 C 09 9600 8N DTR ANY OFF H 09 ENGR3 C 08 9600 8N DTR ANY 5...

Page 49: ...ode Note that the Modem Mode is only available to Ports 1 and 2 TIMEOUT The status of the Resident Disconnection and No Data Timeout features for the port OFF Timeout disabled but Resident Disconnecti...

Page 50: ...ssued from a port with Basic User command capabilities the PM Switch will not display parameters for any port configured for the Modem Mode This prevents the port password from being displayed If you...

Page 51: ...connect the two ports indicated by the command Note that a Third Party Connection command must be issued from a third port which has been granted access to All PM Switch commands Ports which have been...

Page 52: ...is an asterisk if you want to disconnect all currently connected ports and m etc are the numbers or names of additional ports you want to disconnect PM Switch Response Verbose SURE Y N if you then ent...

Page 53: ...suppresses the SURE Y N prompt and n is the one or two digit number of the port whose buffer is to be disconnected PM Switch Response Verbose SURE Y N if you then enter Y the Switch will respond with...

Page 54: ...Switch will begin the memory test and initialization sequence Terse 5 if you then enter Y the Switch will begin the memory test and initialization sequence Enter Site ID F When your application involv...

Page 55: ...mand it must be unique If you specify a name or part of a name that is shared by more than port the PM Switch will reject the command Command Availability All Administrator Command Format P n Enter wh...

Page 56: ...on 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 make it wo...

Page 57: ...sible connections using modular adapters built from kits our product codes are shown Figures A 5 and A 6 on pages 58 and 59 show the pinouts of the adapters included with the PM Switch Tables A 1 thro...

Page 58: ...d Pair EYN725MS Cable 150 ft 45 7 m maximum length To Modem DCE or Printer DTE To Terminal or IBM PC XT compatible PC DTE To IBM AT compatible PC DTE We do not currently carry DB9 RJ 11 adapter kits a...

Page 59: ...of the device sides of the modular adapters included with the Switch Modular Adapter with DB25 Female Connector for PC XT or Terminal DTE Modular Adapter with DB25 Male Connector for Modem DCE Modula...

Page 60: ...SD DCD 4 8 RLSD DCD TD 5 2 TD DTR 6 4 RTS 6 DSR 20 DTR Table A 2 End to End Pinning PM Switch RS 232 Port to Serial Port of AT Compatible Computer PM Switch Computer RJ 11 female DB9 male Signal Pin N...

Page 61: ...Signal Abbrev Abbrev CTS 1 20 DTR SGND 2 7 SGND RD 3 2 TD RTS 4 TD 5 3 RD DTR 6 5 CTS 6 DSR 8 RLSD DCD Table A 4 End to End Pinning PM Switch RS 232 Port to Input Port of Serial Printer PM Switch Prin...

Page 62: ...wer option The 48 Volt DC Power Option shown below replaces the standard 117 VAC components on the lower left side of the back panel NOTE Connect 48 Volts DC between the 0 Volt terminal and either of...

Page 63: ...64 PORT MANAGER SWITCHES NOTES...

Page 64: ...1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 Copyright 2002 Black Box Corporation All rights reserved...

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