PARADYNE CORPORATION
COMSPHERE 3551
| 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 Rate | 64Kbps |
| Data Modulation Protocol | V.32bis |
| Wiring Type | RJ-48 T1 |
| Data Bus | External |
CONNECTIONS |
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Function |
Label |
Function |
Label |
| Power Jack | CN1 |
CC in/DC out via RJ-11 connector | CN4 |
| DDS network interface via RJ-48 connector | CN2 |
DTE port (25-pin serial connector) | CN5 |
| DBM network interface via RJ-45 connector | CN3 |
DTE port (25-pin serial connector) | CN6 |
USER CONFIGURABLE SETTINGS |
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Setting |
Label |
Position |
|
| » | Permissive transmit output level of -9dBm | S1/1 |
On |
| Programmable transmit output level between -12dBm and 0dBm | S1/1 |
Off |
|
| » | Frame ground connected to signal ground through 100ohm resistor | S1/2 |
Off |
| Frame ground connected to signal ground | S1/2 |
On |
|
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 slow |
Out-of-service or out-of -frame messages received from network |
ALM |
Red |
Blinking fast |
DSU not receiving signals 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 fast |
Call established in progress |
Dial |
Yellow |
Blinking slow |
Call established in standby 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 |