Western Telematic Switch 12651 User Manual

RPB+  
Remote Power Boot Switch  
Preliminary Draft  
May, 1996  
User's Guide  
 
1. Introduction  
Network equipment sometimes "locks-up", making it impossible  
to communicate. The RPB+ Remote Power Boot Switch can  
switch AC power on 5 individually controlled plugs, allowing  
attached equipment to reset (re-boot).  
ASCII commands are sent to the RS-232 Control Port to select  
plugs, and specify On, Off, or Boot operations. A convenient  
Status Screen shows On/Off conditions at each plug. RPB+  
features include a security password, Location I.D. field, and  
plug labels to identify the device connected to each plug.  
Features:  
· Remotely Toggles AC Power to Five Separate Outlets.  
· Serial RS232 Control Port Interfaces Directly with a PC or  
External Modem, Allowing Local or Remote Control.  
· Status Display Shows Plug Labels and On/Off Conditions.  
· Simple ASCII Commands for On, Off, or Boot (Off/On).  
· User-Selectable Re-Boot Cycle Duration (Off Time).  
· User-Programmable Password Feature.  
· User-Programmable Location I.D.  
· User-Selectable Echo Mode.  
· User-Programmable Plug Labels.  
· User-Programmable Power-Up Defaults.  
· Requires Only One Rack Space.  
· Available in 115 VAC or 230 VAC Configurations  
Typographic Conventions  
Throughout this manual, typefaces and characters have been used  
to denote the following:  
COURIER FONT Indicates characters typed on the keyboard.  
For example, /S or /3 ON.  
[Bold Font]  
Text set in bold face and enclosed in  
square brackets indicates a specific key.  
For example, [Enter] or [Esc].  
 
2. Unit Description  
2.1. Front Panel  
As shown in Figure 1, the RPB+ front panel includes a series of  
LED indicators which function as follows:  
POWER ON: Lights when AC Power is applied to the  
RPB+.  
À
Á
Â
DATA INPUT: Flashes when ASCII commands are  
received at the Control Port.  
PLUG ON (Plugs 1 - 5): Lights when the corresponding  
plug is switched On.  
 
2.2. Back Panel  
As shown in Figure 2, the RPB+ back panel includes the  
following items:  
Switched AC Outlets (Plugs 1 - 5): For connection to up  
to five AC devices. Each outlet is capable of switching up  
to 15 Amps. The total for all five outlets must not exceed  
15 Amps.  
À
Á
SetUp Switches (RATE): A bank of four DIP Switches  
which set the Control Port baud rate, select the Off Time  
duration, enable/disable the Password Option, and  
enable/disable the Read Only Mode.  
RS232 (Control) Port: For connection to an external  
modem or local PC. The RPB+ accepts ASCII commands  
via the Control Port.  
Â
Ã
DEFAULT Button: Reads Rate Switch settings and sets  
parameters accordingly. This allows the user to change  
Rate Switch settings without re-booting the RPB+ and  
connected devices. The Default Button can also be used to  
bypass the Password Prompt.  
Power Cable (115 VAC Units)  
Power Cable Receptacle (230 VAC Units)  
Ä
Circuit Breaker: 15 Amps  
Å
Æ
Power Switch  
 
3. Installation  
3.1. SetUp Switches  
The SetUp Switches select the baud rate and Off Time, and  
enable/disable the Password feature and Read Only Mode. If  
switch settings are changed while the unit is powered On, press  
the Default Button to re-read switches. The Default Button  
allows the user to change switch settings while power is on,  
without re-booting the RPB+ and connected devices.  
Note: If Rate Switch settings are changed while the  
unit is powered on, new parameters will not take  
effect until the Default Button is pressed, or the  
RPB+ is powered Off and On.  
Off Time: When a boot cycle is initiated, the "Off Time"  
determines the length of time the device will remain off until  
power is restored.  
Password: When enabled, a password is required in order to  
access the RPB+ Command Mode (Default = [Enter]). To re-  
define the Password, refer to Section 4.  
Read Only Mode: When enabled, the /P command (Define  
Parameters) is suppressed. This allows the user to invoke  
On/Off/Boot commands, but prevents redefinition of  
parameters such as the Password and Power-Up Default.  
Switch Function  
Up  
Down  
* = Factory Setting  
3.2. Control Port Connection  
The male, DB9 connector (labeled "RS232") is used for  
connection to an external modem or local PC. The RS232 Port  
uses a DTE configuration, similar to an AT computer. Figure 3  
describes the Control Port interface.  
 
3.2.1. Connecting to a Modem  
When connecting directly to an external modem, use a standard  
AT to Modem cable. Make certain the modem is initialized at  
the same baud rate as the RPB+ (SetUp Switch 1). The modem  
must be placed in Auto-Answer mode, and set to answer in one  
ring. Please refer to the user’s guide for your external modem in  
order to determine the appropriate AT command string.  
3.3. Power Connection  
The Power Switch located on the back panel must be “On” in  
order for the RPB+ to operate. Each time the unit is powered  
On, the five AC outlets will be switched On or Off, as dictated  
by the Power-Up Default String (see Section 4.1). Each outlet is  
capable of switching up to 15 Amps of AC power. The total for  
all 5 outlets cannot exceed 15 Amps.  
 
4. Start-Up / Configuration  
1. Access the RPB+ Command Mode: The RPB+ is  
transparent to parity and will accept 7 or 8 bit characters,  
but will always answer back at 8 bits, no parity. Make  
certain your communications program (e.g. ProComm) is  
set for the appropriate baud rate, bits, and parity. It is also  
recommended to set the communications program for TTY  
mode.  
a) Via Modem: Start your communications program.  
Dial the external modem connected to the RPB+. Wait  
for the Connect message and proceed to Step 2.  
b) Via Local PC: Start your communications program.  
2. Password: If the Password function is enabled, the unit  
will display a prompt. Key in the Password and press  
[Enter]. If the password has not yet been defined, just  
press [Enter].  
Notes:  
· The Password feature is case sensitive.  
· If you forget your password, press the Default  
Button when the Password Prompt appears, then  
invoke the /P command to display the Password.  
3. The RPB+ will display the Status Screen (Figure 5).  
4. When the "RPB+>" prompt appears, type /P [Enter] to  
define system parameters. The unit will display a series of  
prompts.  
Notes:  
· RPB+ commands are not case sensitive.  
· To skip a prompt without changing its current  
definition, press [Enter].  
· To exit from the Define Parameters function, press  
[Esc] at any time. Parameters defined up to that  
point will be saved.  
a) Location: Key in a text string that describes the RPB+  
location (up to 23 characters).  
 
b) Password: To re-define the password (Default =  
[Enter]), key in the new password (up to 8 characters)  
and press [Enter]. The password can include blank  
spaces and higher order ASCII characters. Note that  
the Backspace key will not function during password  
definition.  
c) Default (Power-Up Default): Allows the user to  
define default On/Off conditions for each switched  
plug as described in Section 4.1. Key in the desired  
Power-Up Defaults and press [Enter].  
d) Echo Mode: When Echo Mode is enabled, commands  
sent to the RPB+ will be echoed back to your PC or  
terminal, allowing keyboard entries to be displayed by  
your communications program. To enable or disable  
the Echo Mode, type Y or N, press [Enter], then  
continue with the parameter definition routine. When  
the “RPB+>” prompt returns, type /D [Enter].  
Notes:  
· The Echo Mode will not be enabled / disabled until  
the /D command is invoked.  
· If the Default String includes invalid or missing  
characters, the /D command will not function.  
e) Plug Labels: Allows the user to identify the device  
connected to each plug (e.g. "SERVER"). Key in the  
desired name (up to 16 characters) and press [Enter].  
 
4.1. The Power-Up Default String  
The Power-Up Default String allows the user to select default  
On/Off conditions for each switched AC outlet. When the RPB+  
is powered up, or when the /D command (Set Defaults) is  
invoked, each outlet will be set according to the Default String.  
Note:  
· The Power-Up Default String includes five  
characters; each character determines the default  
On/Off condition for the corresponding plug. The  
first character applies to Plug 1, the second  
character applies to Plug 2, and etc..  
· To set a plug to default "ON" enter a one (1); to set  
a plug to default "OFF", enter a zero (0).  
· If the Default String includes invalid or missing  
characters, plugs will be switched “Off” when the  
unit is powered up, regardless of the conditions  
shown by the Status Screen. In addition, the /D  
command will not function.  
Example 1: To set default On/Off conditions as follows:  
ON: Plugs 1 and 5  
OFF: Plugs 2, 3, and 4  
The Power-Up Default String would be defined as "10001".  
Example 2: To set default plug conditions as follows:  
ON: Plugs 3, 4, and 5  
OFF: Plugs 1 and 2  
The Power-Up Default String would be defined as "00111".  
 
5. Operation  
The device connected to the Control Port must send ASCII  
characters at the same data rate as the RPB+. The unit accepts 8  
bits no parity, or 7 bits even or odd parity, but will always  
answer back at 8 bits, no parity.  
Access the RPB+ Command Mode as described in Section 4,  
Step 1. When the "RPB+>" prompt appears, the user may invoke  
the following commands.  
Notes:  
· Commands are not case sensitive.  
· Wait for the "RPB+>" prompt to appear before  
entering commands. The prompt will not re-appear  
until the previous command is complete.  
· If an invalid command or parameter is entered, the  
RPB+ will respond with the "?" message.  
1. Switch Plug(s) On: To power-on one or all of the five  
switched plugs, type /n ON [Enter]. Where "n" is a plug  
number from 1 to 5 and an asterisk (*) indicates the  
command should be applied to all plugs.  
2. Switch Plug(s) Off: To power-off one or all of the five  
switched plugs, type /n OFF [Enter]. Where "n" is a  
plug number from 1 to 5 and an asterisk (*) indicates the  
command should be applied to all plugs. Note that "OFF"  
can also be entered as "OF".  
3. Boot Plug(s): To initiate a Boot cycle at one or all of the  
switched plugs, type /n BOOT [Enter]. Where "n" is a  
plug number from 1 to 5 and an asterisk (*) indicates the  
command should be applied to all plugs. Note that  
"BOOT" can also be entered as "B". The RPB+ will display  
a series of periods (dots) while the Boot cycle is in  
progress.  
4. Status: To display the Status Screen, type /S [Enter].  
5. Enter Parameters: To define parameters, such as the  
Location I.D., Power-Up Default, and Plug Labels, type  
/P [Enter] and refer to Section 4, Step 4.  
 
6. Set Plugs to Default: To set all plugs to the Power-Up  
Defaults, type /D [Enter]. Note that if the Default String  
includes missing or invalid characters, the /D command  
will not function.  
7. Exit: To exit from command mode, type /X [Enter].  
Note:  
When the /n ON/OFF/BOOT command is invoked,  
the port (n) must be specified by number. The Port  
Label cannot be used to specify the desired port.  
ON / OFF / BOOT Examples:  
· To Switch Plug 3 ON, type /3 ON [Enter].  
· To switch all plugs ON, type /* ON [Enter].  
· To switch plug 5 OFF, type /5 OFF [Enter].  
· To switch all plugs OFF, type /* OFF [Enter].  
· To initiate a boot cycle at Plug 2, type /2 BOOT [Enter].  
· To initiate a boot cycle at all plugs,  
type /* BOOT [Enter].  
 
Appendix A: Specifications  
Switched Power Plugs: 5 code-selectable AC plugs rated 15 amps  
max. Each. Total switched power for all plugs not to exceed 15  
amps. Unit initially powers up to ON condition.  
RS232 Port:  
DB9 Connector: A 9 Pin Male connector wired in a DTE  
configuration.  
Pin  
Signal  
I/O  
Coding: Asynchronous. 7-8 bits, any parity  
Data Rate: 2400, 9600 bps (Switch Selectable)  
LEDs: Power ON, Control Input, Plug On (5)  
Temperature: 0°C to 30°C operating  
Power:  
115 VAC Model: Internal 115 VAC 60 Hz  
(15 Amps Maximum Load).  
230 VAC Model: Internal 230 VAC 60 Hz  
(15 Amps Maximum Load).  
Size: 1.75" x 17.00" x 6.5" (H x W x D).  
Requires one rack space.  
Mounting: 19" Rack Mount Bracket Included.  
24" Rack Mount Bracket Optional.  
Weight: 5 pounds shipping weight  
 
Customer Service  
Customer Service hours are from 8:00 AM to 5:00 PM, PST,  
Monday through Friday. When calling, please be prepared to  
give the name and make of the unit, its serial number and a  
description of its symptoms. If the unit should need to be  
returned for factory repair it must be accompanied by a Return  
Authorization number from Customer Service.  
WTI Customer Service  
5 Sterling  
Irvine, California 92618  
949-586-9950  
Toll Free: 1-800-854-7226  
Fax: 949-583-9514  
FCC Statement  
This device complies with part 15 of the FCC rules. Operation is  
subject to the following two conditions:  
1. This device may not cause harmful interference, and  
2. This device must accept any interference received,  
including interference that may cause undesired operation.  
Trademark and Copyright Information  
WTI and Western Telematic are trademarks of Western Telematic  
Incorporated. All other product names mentioned in this  
publication are trademarks of their respective companies.  
Information and descriptions contained herein are the property of  
Western Telematic, Inc.. Such information and descriptions may  
not be copied, disseminated or distributed without the express  
written consent of Western Telematic, Incorporated.  
©Copyright Western Telematic, Inc., 1998. All right reserved.  
Printed in the United States of America.  
October 1998  
WTI Part Number: 12651 Rev. B  
 
 
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