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# INTERPHASE CORPORATION
4811 E/FDDI ADAPTER (DAS MIC CONNECTION)
Card Type Network Interface Card
NIC Type FDDI
Maximum Onboard Memory 128KB
Boot ROM Unidentified
Network Transfer Rate 100Mbps
Topology Ring, Peer-Peer
Wiring Type Fiber optic cable
Data Bus 32-bit EISA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-------------------+----------+------------------+----------|
| Fiber optic | CN1 | Optical Bypass | CN3 |
| connector - MIC | | Switch jack | |
| (Phy A) | | | |
|-------------------+----------+------------------+----------|
| Fiber optic | CN2 | | |
| connector - MIC | | | |
| (Phy B) | | | |
|------------------------------------------------------------|
| Note: Type A (Phy A) or Type B (Phy B) connectors are |
| designated by a labeled key in the side of the male MIC. |
| CN1 is keyed for an A type connector, and CN2 is keyed for |
| a B type connector. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED1 | LED2 | LED3 | LED3 | Condition |
| (Yellow) | (Yellow) | (Green) | (Green) | |
|-----------+-----------+-----------+----------+-------------|
| Off | Off | Off | On | Power to |
| | | | | card |
|-----------+-----------+-----------+----------+-------------|
| On | Off | Off | On | Power on |
| | | | | diagnostics |
|-----------+-----------+-----------+----------+-------------|
| Off | Off | On | On | Diagnostics |
| | | | | passed |
|-----------+-----------+-----------+----------+-------------|
| Off | Blinking | On | On | CB Running |
|-----------+-----------+-----------+----------+-------------|
| Off | Off | Blinking | On | RC Running |
|-----------+-----------+-----------+----------+-------------|
| Off | On | Blinking | On | Ring |
| | | | | connection |
| | | | | good |
|-----------+-----------+-----------+----------+-------------|
| On | Off | Off | On | Adapter |
| | | | | Failure |
|------------------------------------------------------------|
| Note: Definitions of "CB" and "RC" are unidentified. |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-----------------------+-------+--------------------+-------|
| Fiber optic connector | CN1 | 6-pin DIN socket | CN5 |
| - MIC (Phy A) | | (Optical Bypass | |
| | | Switch) | |
|-----------------------+-------+--------------------+-------|
| Fiber optic connector | CN2 | 6-pin DIN socket | CN6 |
| - MIC (Phy B) | | (Optical Bypass | |
| | | Switch) | |
|-----------------------+-------+--------------------+-------|
| Fiber optic connector | CN3 | Mini-jack (Optical | CN7 |
| - MIC (male) (Phy A) | | Bypass Switch) | |
|-----------------------+-------+--------------------+-------|
| Fiber optic connector | CN4 | | |
| - MIC (male) (Phy B) | | | |
|------------------------------------------------------------|
| Note: Type A (Phy A) or Type B (Phy B) connectors are |
| designated by a labeled key in the side of the |
| |
| male MIC. CN1 and CN3 are keyed for A type connectors, and |
| CN2 and CN4 are keyed for B type |
| |
| connectors. |
| |
| The Dual Attachment Station - MIC version of the 4811 |
| E/FDDI Adapter also requires an adapter |
| |
| cable (see "DIN to Mini-jack Adapter" in above diagram) in |
| order to properly connect the Optical |
| |
| Bypass Switch. |
+------------------------------------------------------------+