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# SYSTRAN CORPORATION
SCRAMNET+ VME3U
NIC Type Proprietary
Chipset Systran Corporation
Maximum Onboard Memory 8MB DRAM
I/O Options Bypass connector
Network Transfer Rate 150Mbps
Data Bus VME
Topology Linear Bus/Ring
Wire Type RG-58A/U 50ohm coaxial
Fiber optic cable
Boot ROM Not available
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------+-------+-------------------+-------|
| Auxiliary connector | J1 | Fiber optic ST | W1B |
| (see pinout below) | | receive connector | |
| | | 1 | |
|------------------------+-------+-------------------+-------|
| Auxiliary connector | J2 | RG-58A/U 50ohm | W2A |
| (see pinout below) | | coaxial receive | |
| | | connector 2 | |
|------------------------+-------+-------------------+-------|
| Bypass connector | J301 | Fiber optic ST | W2B |
| | | receive connector | |
| | | 2 | |
|------------------------+-------+-------------------+-------|
| Daughterboard header | J302 | RG-58A/U 50ohm | W3A |
| | | coaxial transmit | |
| | | connector 1 | |
|------------------------+-------+-------------------+-------|
| Memory card header | J305 | Fiber optic ST | W3B |
| | | transmit | |
| | | connector 1 | |
|------------------------+-------+-------------------+-------|
| RG-58A/U 50ohm coaxial | W1A | RG-58A/U 50ohm | W4A |
| receive connector 1 | | coaxial transmit | |
| | | connector 2 | |
|------------------------+-------+-------------------+-------|
| Fiber optic ST | W4B | Header to main | W5B |
| transmit connector 2 | | board J302 | |
|------------------------+-------+-------------------+-------|
| Header to main board | W5A | Header to main | W5C |
| J302 | | board J302 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| J1 PINOUT |
|------------------------------------------------------------|
| Function | Pin | Function | Pin |
|----------------------------+-----+-------------------+-----|
| Not used | 1 | External LED (see | 3 |
| | | LED2 in table) | |
|----------------------------+-----+-------------------+-----|
| External LED (see LED1 in | 2 | Signal common | 4 |
| table) | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| J2 PINOUT |
|------------------------------------------------------------|
| Function | Pin | Function | Pin |
|------------------------+-----+-----------------------+-----|
| Not used | 1 | External LED (see | 3 |
| | | LED3 in table) | |
|------------------------+-----+-----------------------+-----|
| Message waiting signal | 2 | Signal common | 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|----------------------------------------+-------+-----------|
| » | Chassis ground connected to signal | J3 | Pins 2 & |
| | ground | | 4 closed |
|---+------------------------------------+-------+-----------|
| | Chassis ground not connected to | J3 | Pins 1 & |
| | signal ground | | 3 closed |
|---+------------------------------------+-------+-----------|
| » | EEPROM write protect enabled | J303 | Pins 1 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| | EEPROM write protect disabled | J303 | Pins 2 & |
| | | | 4 closed |
|---+------------------------------------+-------+-----------|
| » | EEPROM read protect enabled | J304 | Pins 1 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| | EEPROM read protect disabled | J304 | Pins 2 & |
| | | | 4 closed |
|---+------------------------------------+-------+-----------|
| » | Variable length packets disabled | J4 | Pins 1 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| | Variable length packets enabled | J4 | Pins 2 & |
| | | | 4 closed |
|---+------------------------------------+-------+-----------|
| » | Card is not software compatible | J5 | Pins 1 & |
| | with ScramNET Classic cards | | 3 closed |
|---+------------------------------------+-------+-----------|
| | Card is software compatible with | J5 | Pins 2 & |
| | ScramNET Classic cards | | 4 closed |
|---+------------------------------------+-------+-----------|
| » | Control/Status register addressing | S6 | Position |
| | is 16 bits wide | | 6 |
|---+------------------------------------+-------+-----------|
| | Control/Status register addressing | S6 | Position |
| | is 24 bits wide | | A |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONTROL/STATUS REGISTER ADDRESS SELECTION |
|------------------------------------------------------------|
| A total of 262,144 address settings are available. |
| Switches S1 through S5 set the hexadecimal memory address. |
| SW1 is the Most Significant Nibble and switch SW5 is the |
| Least Significant Nibble, though the bottom two bits of |
| SW5 are always 0. The switches have the following decimal |
| weight values: SW1=1,048,576, SW2=65,536, SW3=4,096, |
| SW4=256, SW5=16. Set the switches, multiply the number on |
| the switch by its weight value, add the values obtained |
| for each switch, and round down to the nearest multiple of |
| 64 to obtain the correct memory address. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|--------+--------+---------+--------------------------------|
| LED1 | Green | On | Network connection is good |
|--------+--------+---------+--------------------------------|
| LED1 | Green | Off | Network connection is broken |
|--------+--------+---------+--------------------------------|
| LED2 | Green | On | Carrier signal is detected |
|--------+--------+---------+--------------------------------|
| LED2 | Green | Off | Carrier signal is not detected |
|--------+--------+---------+--------------------------------|
| LED3 | N/A | On | Error condition detected |
|--------+--------+---------+--------------------------------|
| LED3 | N/A | Off | Error condition not detected |
|------------------------------------------------------------|
| Note:LED3 is only available via connector J2. |
+------------------------------------------------------------+