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Buffer Options
The 378S comes factory-configured with different amounts of buffer
memory. Versions are available with no RAM, 256 KB RAM, and 1 MB
dynamic RAM. Contact Patton Technical Support at 301-975-1007 for
details on upgrades.
Communication Parameters
Data Rate– All ports share a common data rate. The data rate is
selected via DIP SWITCHES for one of five rates: 1200, 2400, 4800,
9600, or 19,200 baud.
Parity– Even/Odd/None
Word Length– 7 or 8 Bits
Flow Control– Incoming PC data is flow controlled by the switch
using CTS/DSR or XON/XOFF. This flow control is unidirectional --
only data coming from the PC can be flowed off, not data coming from
the printer back to the PC. Transmitted data to the PC consists of
XON/XOFF flow control characters.
Configuration Switches
Baud Rate- 1200, 2400, 4800, 9600, or 19200
Word Length- 7 or 8 data bits
Parity Enable- Enabled/Disabled
Parity Type- Even/Odd
Stop Bits- 1 or 2
Timeout Interval- 2, 8, 60, 120 seconds
Form Feed at EOJ- Enabled/Disabled
(Note: The Model 378S has a "paper saver" feature that is active only
when "Form Feed at EOJ" switch is enabled. When the paper saver
feature is active, the switch monitors whether or not the last character
sent by the selected PC was a form feed. If it was, the switch will
decline to insert its own form feed character [carriage returns inserted
by the PC after form feed are ignored]).
Power
9.8VAC, 800 MA Wall mount transformer
Size
10"W X 5"D x 1"H (approximate).
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RS-232C PIN CONFIGURATIONS
DIRECTION
MODEL 378S "DCE" SETTING
DIRECTION
MODEL 378S "DTE" SETTING
To Model 378S
Data Term. Ready (DTR) - 20
DIRECTION
1- (FG) Frame Ground
2- (TD) Transmit Data
To Model 378S
3- (RD) Receive Data
From Model 378S
4- (RTS) Request to Send
To Model 378S
5- (CTS) Clear to Send
From Model 378S
6- (DSR) Data Set Ready
From Model 378S
7- (SG) Signal Ground
8- (DCD) Data Carrier Detect From Model 378S
DIRECTION
1- (FG) Frame Ground
2- (TD) Transmit Data
From Model 378S
3- (RD) Receive Data
To Model 378S
4- (RTS) Request to Send
From Model 378S
5- (CTS) Clear to Send
To Model 378S
7- (SG) Signal Ground
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