Specifications

Mechanical Specifications
Anti-Streaming: 27-second timer to prevent transmitter lock-up network
Mechanical Specifications
Dimensions: 9 inches deep x 6.25 inches high x .87 inches thick
Weight: 8 ounces (card only)
Back-to-Back Connections to a Second Modem
Rx Rx
Rx Rx
Tx Tx
Tx Tx
Modem 1 Modem 2
RS-232 (RTU) Interface
Signal
Name
Modem
Input/Output
DB25
Pin
Description
Earth GND

1 Earth Ground
TXD Input 2 Transmit Data
RXD Output 3 Receive Data
RTS Input 4 Request To Send
CTS Output 5 Clear To Send
DSR Output 6 Data Set Ready (Modem Ready)
SG - 7 Signal Ground
DCD Output 8 Data Carrier Detected
DTR Input 20 Data Terminal Ready (Host Ready)
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