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# PARADYNE CORPORATION
COMSPHERE 3550
Card Type DSU
Chip Set Unidentified
I/O Options CC/DC via RJ-11 connector, digital network
interface via RJ-48,
analog network interface via RJ-45, power
jack, DTE ports (2)
Maximum Transfer 64Kbps
Rate
Data Modulation V.32bis
Protocol
Wiring Type RJ-48 T1
Data Bus External
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-----------------------+-------+--------------------+-------|
| Power Jack | CN1 | CC in/DC out via | CN4 |
| | | RJ-11 connector | |
|-----------------------+-------+--------------------+-------|
| DDS network interface | CN2 | DTE port (V.35 | CN5 |
| via RJ-48 connector | | connector) | |
|-----------------------+-------+--------------------+-------|
| DBM network interface | CN3 | DTE port (25-pin | CN6 |
| via RJ-45 connector | | serial connector) | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|-----------------------------------------+-------+----------|
| » | Permissive transmit output level of | S1/1 | On |
| | -9dBm | | |
|---+-------------------------------------+-------+----------|
| | Programmable transmit output level | S1/1 | Off |
| | between -12dBm and 0dBm | | |
|---+-------------------------------------+-------+----------|
| » | Frame ground connected to signal | S1/2 | Off |
| | ground through 100ohm resistor | | |
|---+-------------------------------------+-------+----------|
| | Frame ground connected to signal | S1/2 | On |
| | ground | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+----------+----------+-------------------------------|
| OK | Green | On | DSU power is on |
|------+----------+----------+-------------------------------|
| OK | Green | Blinking | DSU is receiving a message |
| | | | from NetWare Management |
| | | | System |
|------+----------+----------+-------------------------------|
| OK | Green | Off | DSU power is off or detecting |
| | | | a system failure |
|------+----------+----------+-------------------------------|
| ALM | Red | Blinking | Out-of-service or out-of |
| | | slow | -frame messages received from |
| | | | network |
|------+----------+----------+-------------------------------|
| ALM | Red | Blinking | DSU not receiving signals |
| | | fast | from network |
|------+----------+----------+-------------------------------|
| TST | Yellow | On | DSU is executing a test |
|------+----------+----------+-------------------------------|
| TST | Yellow | Off | DSU is not executing a test |
|------+----------+----------+-------------------------------|
| TST | Yellow | Blinking | DSU is setting up or taking |
| | | | down a test |
|------+----------+----------+-------------------------------|
| Dial | Yellow | Blinking | Call established in progress |
| | | fast | |
|------+----------+----------+-------------------------------|
| Dial | Yellow | Blinking | Call established in standby |
| | | slow | mode |
|------+----------+----------+-------------------------------|
| Dial | Yellow | On | Backup call established and |
| | | | active |
|------+----------+----------+-------------------------------|
| Dial | Yellow | Off | Call not established |
|------+----------+----------+-------------------------------|
| TXD | Green | On | Receiving all zeros from the |
| | | | DTE |
|------+----------+----------+-------------------------------|
| TXD | Green | Off | Receiving all ones from the |
| | | | DTE |
|------+----------+----------+-------------------------------|
| TXD | Green | Blinking | Data is being transferred |
|------+----------+----------+-------------------------------|
| RXD | Green | On | Transmitting all zeros from |
| | | | the DTE |
|------+----------+----------+-------------------------------|
| RXD | Green | Off | Transmitting all ones from |
| | | | the DTE |
|------+----------+----------+-------------------------------|
| RXD | Green | Blinking | Data is being transferred |
|------+----------+----------+-------------------------------|
| RTS | Green | On | RTS signal is high |
|------+----------+----------+-------------------------------|
| RTS | Green | Off | RTS signal is low |
|------+----------+----------+-------------------------------|
| CTS | Green | On | CTS signal is high |
|------+----------+----------+-------------------------------|
| CTS | Green | Off | CTS signal is low |
|------+----------+----------+-------------------------------|
| DSR | Green | On | DSR signal is high |
|------+----------+----------+-------------------------------|
| DSR | Green | Off | DSR signal is low |
|------+----------+----------+-------------------------------|
| LSD | Green | On | LSD signal is high |
|------+----------+----------+-------------------------------|
| LSD | Green | Off | LSD signal is low |
+------------------------------------------------------------+