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# RAD DATA COMMUNICATIONS
SRM-5TX
Modem Type Data (asynchronous)
Maximum Data Rate 19.2Kbps
Data Bus External
Data Modulation Protocol Proprietary
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| RS-232 | CN1 | Ground | GND |
|---------------------+----------+----------------+----------|
| RJ-12/RJ-45 | CN2 | Line | LINE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CD SIGNAL |
|------------------------------------------------------------|
| Setting | JP1 |
|----------------------------+-------------------------------|
| ยป Forced high | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| Normal | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|----------+----------+----------+---------------------------|
| CD | Red | On | CD signal is high |
|----------+----------+----------+---------------------------|
| CD | Red | Off | CD signal is low |
+------------------------------------------------------------+