SRM-8 modem/telephone/ISDN Settings and Configuration

Card Type	Modem (synchronous/asynchronous)
Chipset	Unidentified
Maximum Data Rate	19.2Kbps
Data Bus	Serial
Data Modulation	Unidentified

CONNECTIONS
Function	Label	Function	Label
V.24 serial port	CN1	Line out (see pinout below)	SC1

SC1 PINOUT
Function	Screw	Function	Screw
Receive line	1	Transmit line	4
Receive line	2	Transmit line	5
Ground	3

USER CONFIGURABLE SETTINGS
Setting	Label	Position
í SW1 position 3 enters remote digital loopback test	J1	Closed
SW1 position 3 enters has no function	J1	Open
í Stop bit shortened by 12.5% in asynchronous mode	SW3/1	Off
Stop bit shortened by 25% in asynchronous mode	SW3/1	On
í CD signal forced high	SW3/4	Off
CD signal follows RTS	SW3/4	On
í Pin 18 of CN1 has no function	SW3/5	Off
Pin 18 of CN1 begins local analog loopback test	SW3/5	On
í Pin 21 of CN1 has no function	SW3/6	Off
Pin 21 of CN1 begins remote digital loopback test	SW3/6	On

CHARACTER LENGTH SELECTION
Setting	SW3/2	SW3/3
8 bits	Off	Off
9 bits	Off	On
í 10 bits	On	Off
11 bits	On	On

TEST MODE SELECTION
Setting	SW1
Start local analog loopback test	Position 1
í Normal operation	Position 2
Start remote digital loopback test	Position 3

LINE SPEED SELECTION
Setting	SW2
1200bps	Position 7
2400bps	Position 6
3600bps	Position 5
4800bps	Position 4
7200bps	Position 3
í 9600bps	Position 2
14.4Kbps	Position 1
19.2Kbps	Position 0

RTS TO CTS DELAY SELECTION
Setting	J2/A	J2/B	J2/C
0 mS	Open	Open	Closed
í 8 mS	Open	Closed	Open
64 mS	Closed	Open	Open

TRANSMIT CLOCK SOURCE SELECTION
Setting	J3/A	J3/B	J3/C	J3/D
Asynchronous mode	Closed	Open	Open	Open
Remote clock source	Open	Closed	Open	Open
í Internal clock source	Open	Open	Closed	Open
External clock source	Open	Open	Open	Closed

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
LED	Red	On	Modem is in test mode
LED	Red	Off	Modem is not in test mode