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Black Box SW544A-M Manual Download Page 42

39

CHAPTER 6: The Internal Modem

Command

Function/Options

&E 

n

Error correction/flow control.
&E0 

No error correction.

* &E1  V.42 auto-reliable mode.
&E2 

V.42 reliable mode.

&E3 

No modem-initiated flow control.

* &E4  CTS/RTS modem-initiated flow control.
&E5 

X-ON/X-OFF modem-initiated flow control.

* &E6  Disable X-ON/X-OFF pass-through.
&E7 

Enable X-ON/X-OFF pass-through.

&E8 

Disable Enq/Ack pacing.

&E9 

Enable Enq/Ack pacing.

* &E10  Disable normal mode flow control.
&E11 

Enable normal mode flow control.

&E12 Disable 

pacing.

* &E13  Enable pacing.
&E14 

Disable data compression.

* &E15  Enable data compression.

Summary of Contents for SW544A-M

Page 1: ...1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 Copyright 2003 Black Box Corporation All rights reserved...

Page 2: ...746 5500 FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mailing address Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox c...

Page 3: ......

Page 4: ...is operated 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 m...

Page 5: ...icante 7 El aparato 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 de...

Page 6: ...r 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 deb...

Page 7: ...siness Machines Corporation Crosstalk is a registered trademark of Digital Communications Associates Inc MNP is a registered trademark of Microcom Systems Inc ProComm is a registered trademark of DATA...

Page 8: ...r that each unit in the rack generates its own heat An enclosed rack should have louvered sides and a fan to circulate cooling air When mounting the unit in an enclosed rack with a ventilation fan at...

Page 9: ...dissipation To ensure safe reliable operation make sure that these openings are not covered or blocked Disconnect Power Immediately disconnect the unit from the outlet and contact Black Box if 1 The...

Page 10: ...Serial Port Manager to Default Settings 21 4 4 Connecting Devices to the Serial Port Manager 22 5 Configuration 23 5 1 Accessing the Serial Port Manager Command Mode 23 5 2 System Setup Ports 24 5 3 P...

Page 11: ...ive Mode 50 8 3 Buffer Mode 51 8 3 1 Reading Data from Buffer Mode Ports 51 8 3 2 Port Buffers 52 8 4 Modem Mode 53 9 Saving and Restoring Configuration Parameters 54 9 1 Sending Parameters to a File...

Page 12: ...ng the unit in an equipment rack make certain to allow adequate clearance for venting User Controls Rear panel 1 Power switch 1 8 position DIP switch sets default parameters for baud rate flow control...

Page 13: ...ort or user port depending on the password you enter at login Supervisor ports can change configuration display status and connect to any other port user ports can only connect to the ports provided b...

Page 14: ...dicators See Figure 2 1 and Table 2 1 Numbers 1 10 in Figures 2 1 and 2 2 correspond to the numbers in Table 2 1 Figure 2 1 Front panel The back panel features a power connector and switch an 8 positi...

Page 15: ...ecified by the setup switches To initialize press and hold both the SET and CLEAR buttons release only the CLEAR button then release the SET button 4 RDY LED This LED flashes to indicate that the Seri...

Page 16: ...unication parameters and other features 9 RJ 11 This connector attaches to your phone connector line 10 RJ 11 This internal modem port connects to your connector telco line For information about modem...

Page 17: ...to connect your telco outlet to the internal modem port located on the Serial Port Manager s back panel NOTE After the Serial Port Manager is installed and configured you can connect additional extern...

Page 18: ...NOTE The Port Status screen s various fields are explained in more detail in Section 7 1 COMMAND MENU DISPLAY CONFIGURATION S P Port Status F System Parameters SD Port Diagnostics P n Port Parameters...

Page 19: ...same time b Third party connection Your resident port for example port 1 issues a C command to create a connection between two other ports i To connect port 2 to port 3 type C 2 3 and press Enter ii W...

Page 20: ...for the line that s connected to the Serial Port Manager s internal modem Once the connection is established the Serial Port Manager sends the APS prompt indicating that you ve successfully accessed...

Page 21: ...ured for 9600 baud 8 bits no parity RTS CTS handshaking verbose command response and command echo on all switches ON These settings are compatible with most applications If the default settings are no...

Page 22: ...2 ports select a default baud rate that s compatible with the external modem The P command also selects a different operating baud rate for each port DIP switches 1 through 3 don t set the default bau...

Page 23: ...s with the Serial Port Manager via an external modem connected to one of the RS 232 ports select a default handshaking format that is compatible with the external modem The P command also selects a di...

Page 24: ...se abbreviated numeric Factory setting 4 2 4 DEFAULT COMMAND ECHO SW7 Switch 7 enables or disables the Command Echo When enabled characters sent to the Serial Port Manager are echoed back to the contr...

Page 25: ...ss Enter to display the Port Status screen Check the Buffer Count column which lists the amount of data stored in the buffer for each port a If the Port Status screen shows data stored in the buffer f...

Page 26: ...example baud rate parity etc 2 Access the Command mode a Local Access To access the Command mode from a local PC that is connected to the 8 Port Serial Port Manager via cable press Enter i There must...

Page 27: ...sswords the supervisor password and the port user passwords The supervisor password allows system administrators to invoke unit configuration commands the port passwords allow users to access specific...

Page 28: ...assword at any port to gain access to supervisor level commands If you want to completely deny a port s access to supervisor mode even with the supervisor password use the Port Parameters menus P to d...

Page 29: ...hat s already been used as the supervisor password 5 4 Defining the Site ID and Supervisor Password Before configuring individual ports define the site ID and supervisor password The site ID indicates...

Page 30: ...nds and selecting items from the Port Configuration menus note the following To select an item from a Port Configuration menu type in the number for the item and press Enter To clear an item in a Port...

Page 31: ...ta by accessing Command mode from a free Any to Any or Modem mode port and issuing the C command Note that the Buffer mode also allows pass through communication with the connected device The Buffer m...

Page 32: ...to 16 characters Assigns a name to the port Defaults ports 1 through 7 undefined port 8 internal modem 2 Password Up to 16 characters Defines the port password for this port Identical port passwords...

Page 33: ...through 7 Any to Any mode port 8 Modem mode NOTES Ports 1 and 2 cannot be configured for Passive mode or Buffer mode Port 8 is always configured for Modem mode Port 8 cannot be set to Any to Any mode...

Page 34: ...red the port allows access to supervisor level commands When disabled deny the port may not enter Supervisor mode even when the supervisor password is entered Default Permit NOTE The Supervisor mode c...

Page 35: ...receive or transmit data for the specified timeout period the port will disconnect In Any to Any mode Passive mode or Buffer mode the default setting is OFF When the port is set for Modem mode the de...

Page 36: ...RS 232 ports or defines only a select group of parameters and then copies them to all ports NOTES The CP command is only available in Supervisor mode The Copy Port Parameters menu does not display th...

Page 37: ...y parameters type in the number for the desired parameter press Enter and then follow the instructions in the submenu COPY PORT PARAMETERS 1 Port Name undefined 2 Password 3 Baud Rate 4 Bits Parity 5...

Page 38: ...without copying selected parameters to all RS 232 ports type X and then press Enter The Serial Port Manager exits from the Copy Parameters menu and returns to the command prompt 6 Copy Parameters When...

Page 39: ...rvisor password you can only connect to port 8 if your password allows access to that port The supervisor password always allows access to port 8 To access the internal modem s Command mode from a rem...

Page 40: ...riage Return The only exceptions are the A command Repeat Previous Command and Exit to On Line Command Mode The maximum command length is 40 characters This does not include the AT prefix carriage ret...

Page 41: ...n band escape sequence Places modem in Command mode while still remaining on line Type followed by AT Enter up to ten command characters Q n Reliable compressed and LAP M result codes Q0 Enable reliab...

Page 42: ...flow control E4 CTS RTS modem initiated flow control E5 X ON X OFF modem initiated flow control E6 Disable X ON X OFF pass through E7 Enable X ON X OFF pass through E8 Disable Enq Ack pacing E9 Enabl...

Page 43: ...both supervisors and users display the Port Status screen the screen appears slightly different depending upon whether the Command mode was accessed with the supervisor password or a port password Wh...

Page 44: ...umber of the other Serial Port Manager port connected to this port Mode The user selected port mode Options include Any Any to Any Modem Passive or Buffer depending on the configuration selected for t...

Page 45: ...se ports that share the same port password that was entered at login Ports protected by other passwords do not display As shown in Figure 7 2 the Port Diagnostics screen lists the following items Port...

Page 46: ...The handshaking flow control mode for each port Mode The user selected port mode Options include Any Any to Any Modem Passive or Buffer depending on the configuration selected for each port BUF Lists...

Page 47: ...d or undefined depending upon whether or not the port s password has been specified To display the Port Parameters screen with the port password type WP the desired port number and then press Enter NO...

Page 48: ...lowing format W P xx Enter where xx is the desired port number and P is the command option to display port passwords NOTE When this option is included for example WP 5 the Port Parameters screen will...

Page 49: ...tions can be made between Serial Port Manager ports resident connections and third party connections Resident connections Your resident port issues a C command to connect to a second port For example...

Page 50: ...to represent the remaining characters in the port name For example to connect your resident port to a port named SALES invoke the connect command as C S providing no other port names begin with the le...

Page 51: ...oth the command format and logoff character via the Port Configuration menus as described in Section 5 5 2 Third party disconnect Supervisor mode only The D command is issued from your resident port t...

Page 52: ...ial Port Manager scans a group of ports and connects to the first available port in the group Hunt groups are created by assigning identical or similar names to two or more ports Use Any to Any Passiv...

Page 53: ...d MODEM2 2 Your resident port is port 4 To connect to the first available external modem access the Command mode then type C MODEM and press Enter Hunt Group Example 2 1 Ports 3 4 and 5 are any to any...

Page 54: ...devices use the same communication parameters for example baud rate parity etc NOTES Buffer mode ports can t access the Command mode To ensure supervisor access to important command functions the Buff...

Page 55: ...four of these options also allow pass through communication with the device connected to the Buffer mode port To clear data from the buffer use the erase connect option or go to a free Any to Any or...

Page 56: ...the Modem mode for a port with supervisor level command access define the supervisor password This will discourage unauthorized access to higher command functions When a call is received the Serial P...

Page 57: ...word prompt displays enter the supervisor password 2 When the Serial Port Manager command prompt appears type U and press Enter The Serial Port Manager prompts you to configure your communications pro...

Page 58: ...ory path 4 Your communications program sends the specified ASCII text file to the Serial Port Manager When the communications program finishes the upload terminate the Upload mode NOTE If the Serial P...

Page 59: ...ord prompt is displayed type the supervisor password The upgrade firmware feature is only available in Supervisor mode 3 When the Serial Port Manager prompt appears type UF and then press Enter The Se...

Page 60: ...mware moves new firmware from data flash to program flash memory calculates and store the new checksum and reboots Do not attempt to reconnect to the Serial Port Manager until the RDY indicator blinks...

Page 61: ...NOTE This command also applies to any other port name that begins with the letter S Suppress Sure prompt When the D disconnect port E erase buffer or I default and test unit commands are invoked the Y...

Page 62: ...t configuration commands also select the Quiet mode When the Quiet mode is selected the port does not send messages in response to commands Table 11 1 summarizes the various response messages for both...

Page 63: ...ters Connect C x x Enter X X Resident Disconnect X X X Third Party Disconnect D Y x x Enter X D Y Enter X Erase Buffer E Y x x Enter X E Y Enter Default and Test I Y Enter X Save Parameters U Enter X...

Page 64: ...visor password is defined the Serial Port Manager requires a password before allowing access to Command mode Availability Supervisor User Format Enter Press Enter twice if other characters have alread...

Page 65: ...r numbers the Serial Port Manager connects the two ports indicated A third party connect command is issued from a third port with supervisor command capability User ports cannot initiate a third party...

Page 66: ...SCONNECT Invoke the D command at your resident port to disconnect two other ports The D command can t disconnect your resident port To disconnect your resident port issue the resident disconnect seque...

Page 67: ...presses the Sure Y N prompt Response Verbose Are You Sure y n If y the Serial Port Manager responds with OK Terse 5 If y the Serial Port Manager responds with 0 The terse commands are numeric response...

Page 68: ...ervisor User Format H Enter Response Displays Help screen NOTE The user level Help screen does not include supervisor level commands DEFAULT AND TEST Tests internal memory and initializes the Serial P...

Page 69: ...s the number or name of the port to be configured If the port number or name is not specified the Serial Port Manager displays the Configuration menu for your resident port Response The Port Parameter...

Page 70: ...sponse Displays Port Diagnostics screen SAVE PARAMETERS Sends Serial Port Manager configuration parameters to an ASCII text file as described in Chapter 9 Availability Supervisor only Format U Enter R...

Page 71: ...sts the password for the port if defined Supervisor mode only x Port number or name If the x argument is omitted parameters for your resident port display Response Displays port parameters Example To...

Page 72: ...69 CHAPTER 11 Command Reference Guide Availability Supervisor User Format X Enter Response Disconnected...

Page 73: ...f neither port is set for Modem mode DTR output is held high active When not connected 1 If the port is set for Modem mode upon disconnect DTR output pulses for 0 5 seconds and then is held high 2 If...

Page 74: ...you have a complete description 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 cr...

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