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INTRODUCTION
The 8 Position Code Activated Switch,
switched to any of eight RS-232 devices, designated A through H. Typically the 8P-MAS is used to
allow one modem to access the configuration or out-of-band management ports of eight remote devices
(see Figure 1A). Three modes of operation allow the selection of the port to be connected.
Menu Selection
The 8P-MAS selects the port to connect to the master port based on menu selections.
The menu system allows convenient naming of each port, and setup of all 8P-MAS
parameters.
Lead Control
This option allows any of the eight ports to access the master port by raising its
Request To Send (RTS) or Data Terminal Ready (DTR) control lead. This capability is
in addition to the menu selection as described above.
Manual Control
A front panel push-button allows local control of port selection.
There are eight LED's on the front of the 8P-MAS to indicate which port is connected to the master.
There are eight DB25S female connectors on the rear panel for the switched ports, (designated A-H)
and one DB25P male connector for the Master Port. Figure 1 illustrates a typical system using the 8P-
MAS.
MANUAL
A B C D E F G H
External
Modem
REF: M\MANUALS\CAS\8PMAS_V980327R.DOC
Model 8P-MAS
A
B
POWER
Master
Port
Master DCE
11 Park Place / Paramus, New Jersey 07652
TEL: 201-967-9300
Website: www. dataprobe.com Email: tech@dataprobe.com
8 Position Menu Activated Switch
Model : 8P-MAS
Operation Manual
allows one master RS-232 port to be selectively
To 8 DTEs
C
D
E
F
G
Technical Support Hotline: (201) 967-8788
FAX: 201-967-9090
H
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Summary of Contents for Dataprobe 8P-MAS
- Page 1 A front panel push-button allows local control of port selection. There are eight LED's on the front of the 8P-MAS to indicate which port is connected to the master. There are eight DB25S female connectors on the rear panel for the switched ports, (designated A-H) and one DB25P male connector for the Master Port.
- Page 2 The 8P-MAS is controlled principally through an ASCII terminal interface. Access to this configuration menu can be achieved either by: connecting via modem connected to the Master Port, or directly via terminal (using a null cable) into the Master Port of the 8P-MAS. See page 6 for installation details. The default parameters are: 9600 bps 8 data 1 stop no parity.
- Page 3 Model 8P-MAS Page 3 At this point the Master Port is connected through to the port selected. The 8P-MAS is passive to the messages sent between the Master Port and the port selected. To terminate the session with the current port and bring back the menu, enter the escape character plus the security code and another escape character.
- Page 4 ENTER Y/N > Enter Y to add RTS/DTR Lead control to the 8P-MAS. This mode allows the RTS or DTR of Ports A through H to select the Master Port. Change this setting to Yes if you require one or more of the devices connected to ports A through H to be able to dial out through the modem on the Master Port.
- Page 5 The Timeout feature, if enabled continues to operate when Lead control selects a port. Lead control will only be enabled only when the 8P-MAS is idle. If a caller has logged into the unit or Manual control is selected, the RTS and DTR leads are ignored. Once a port is selected due to Lead control, Menu control and Manual control are locked out.
- Page 6 Model 8P-MAS Page 6 INSTALLATION Master and Switched Ports Connection to the Switched A-H ports is made using 25 pin D Subminiature connectors on the rear of the unit. The following leads are supported for Asynchronous communications: Pin # Designation...
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Page 7: Specifications
Model 8P-MAS Page 7 Null Connection to Control Leads Required vary from device to device. Consult your Figure 4 operations manual for details on Null Modem Connection your specific needs. to terminal SPECIFICATIONS Model 8P-MAS Physical 19” Wide x 6.5” Deep x 1.75” High. - Page 8 Page 8 TECHNICAL SUPPORT, RETURNS & WARRANTY Dataprobe Technical Support is available 8:30AM to 5:30PM ET to assist you in the installation and operation of this product. To obtain Technical Support call our Tech Support Hotline at 201-967-8788, or Email us at tech@dataprobe.com. Please have the following information available when you call: •...
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