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# RAD DATA COMMUNICATIONS
CMN-CEB
Card Type Elastic buffer
Chipset Unidentified
I/O Options Serial port
Maximum Data Rate 64Kbps
Data Bus Serial
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label |
|------------------------------------------+-----------------|
| Serial ports via DB-25 cable | CN1 |
|------------------------------------------------------------|
| Note:Two standard DB-25 serial ports are provided on |
| an included adapter cable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-------+---------+--------+---------------------------------|
| PWR | Green | On | Power is on |
|-------+---------+--------+---------------------------------|
| PWR | Green | Off | Power is off |
|-------+---------+--------+---------------------------------|
| XMT1 | Yellow | On | Port 1 is transmitting data |
|-------+---------+--------+---------------------------------|
| XMT1 | Yellow | Off | Port is 1 not transmitting data |
|-------+---------+--------+---------------------------------|
| RCV1 | Yellow | On | Port 1 is receiving data |
|-------+---------+--------+---------------------------------|
| RCV1 | Yellow | Off | Port 1 is not receiving data |
|-------+---------+--------+---------------------------------|
| XMT2 | Yellow | On | Port 2 is transmitting data |
|-------+---------+--------+---------------------------------|
| XMT2 | Yellow | Off | Port is 2 not transmitting data |
|-------+---------+--------+---------------------------------|
| RCV2 | Yellow | On | Port 2 is receiving data |
|-------+---------+--------+---------------------------------|
| RCV2 | Yellow | Off | Port 2 is not receiving data |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTE |
|------------------------------------------------------------|
| This card is intended for use in the CMN-16 rack-mount |
| system. The bus is used only for supplying power for the |
| card. All other card functions are accessed through the |
| serial port. |
+------------------------------------------------------------+