DIGITAL LINK CORPORATION
DL080
| Card Type | T1 DSU/CSU |
| Chip Set | Unidentified |
| I/O Options | AC power connector, DC power connector, data port, serial port (RS-232), network port |
| Wiring Type | RJ-48C, RS-232, V.35/RS-449 connector |
| Maximum Data Rate | 64Kbps (24 channels) |
| Data Bus | External |

CONNECTIONS |
|||
Function |
Label |
Function |
Label |
| AC power connector | CN1 |
Network port | CN6 |
| Ground stud | CN2 |
Monitor connector - line in | CN7 |
| DC power connector | CN3 |
Monitor connector - line out | CN8 |
| Data port | CN4 |
Fuse | F1 |
| Serial port | CN5 |
||
USER CONFIGURABLE SETTINGS |
|||
Setting |
Label |
Position |
|
| Contiguous bandwidth allocation | S1/ 6 |
Off |
|
| Alternate bandwidth allocation | S1/ 6 |
O n |
|
| DTE clock set to +SCT | S1/ 7 |
Off |
|
| DTE clock set to SCTE | S1/ 7 |
On |
|
| Net framing ESF | S 2/1 |
Off |
|
| Net framing D4 | S 2/1 |
Off |
|
| Line code B8ZS | S2/2 | Off |
|
| Line code AMI | S2/2 | O n |
|
| Internal timing source | S2/ 5 |
Off |
|
| Network timing source | S2/ 5 |
On |
|
| Serial port 8-bit word lenght | S2/ 11 |
Off |
|
| Serial port 7-bit word lenght | S2/ 11 |
On |
|
| DIP switch configuration | S2/ 12 |
Off |
|
| Terminal configuration | S2/ 12 |
On |
|
DATA RATE SELECTION |
||||||
Timeslot(s) |
S1/1 |
S1/2 | S1/3 | S1/4 | S1/5 |
|
|
1 |
Off |
Off | Off | Off | On |
|
2 |
Off |
Off | Off | On | Off |
|
3 |
Off |
Off | Off | On | On |
| 4 | Off | Off | On | Off | Off | |
| 5 | Off | Off | On | Off | On | |
| 6 | Off | Off | On | On | Off | |
| 7 | Off | Off | On | On | On | |
| 8 | Off | On | Off | Off | Off | |
| 9 | Off | On | Off | Off | On | |
| 10 | Off | On | Off | On | Off | |
| 11 | Off | On | Off | On | On | |
| 12 | Off | On | On | Off | Off | |
| 13 | Off | On | On | Off | On | |
| 14 | Off | On | On | On | Off | |
| 15 | Off | On | On | On | On | |
| 16 | On | Off | Off | Off | Off | |
| 17 | On | Off | Off | Off | On | |
| 18 | On | Off | Off | On | Off | |
| 19 | On | Off | Off | On | On | |
| 20 | On | Off | On | Off | Off | |
| 21 | On | Off | On | Off | On | |
| 22 | On | Off | On | On | Off | |
| 23 | On | Off | On | On | On | |
| 24 | Off | Off | Off | Off | Off | |
DATA ENCODING SELECTION |
|||
Data |
S1/8 |
S1/9 |
|
N ormal |
Off |
Off |
|
H DLC |
Off |
On |
|
F orced |
On |
Off |
|
LINE BUILD OUT SELECTION |
|||
Line Build |
S2/3 |
S2/4 |
|
0 dB |
Off |
Off |
|
| -7.5dB | Off |
On |
|
| -15dB | On |
Off |
|
SERIAL PORT RATE SELECTION |
||||
Setting |
S2/6 |
S2/7 |
S2/8 |
|
1200bps |
Off |
On |
On |
|
2400bps |
Off |
On |
Off |
|
4800bps |
Off |
Off |
On |
|
|
9600bps |
Off |
Off |
Off |
19.2Kbps |
On |
On |
Off |
|
SERIAL PORT PARITY SELECTION |
||
Setting |
S2/9 |
S2/10 |
None |
Off |
Off |
Odd |
Off |
On |
Even |
On |
Off |
DIAGNOSTIC LEDS |
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LED |
Color |
Status |
Condition |
ACK |
Unidentified |
On |
DSU/CSU receives Loop Up/Loop Down code - acknowledges codes |
ACK |
Unidentified |
Off |
DSU/CSU normal operation |
CTS |
Yellow |
On |
CTS signal is high |
CTS |
Yellow |
Off |
CTS signal is low |
DTE |
Unidentified |
On |
DTE/NET loopback running from front panel |
DTE |
Unidentified |
Blinking |
DTE loopback running: LT asserted |
DTE |
Unidentified |
Off |
DTE normal operation |
DTR |
Yellow |
On |
DTR signal is high |
DTR |
Yellow |
Off |
DTR signal is low |
LED1 |
Green |
On |
DSU/CSU power is on and has passed the self test |
LED1 |
Red |
On |
DSU/CSU power is on; self test failed. Light changes green after 10seconds |
LED1 |
Yellow |
Blinking |
DSU/CSU power is on; self test is running |
LED1 |
Yellow |
On |
DSU/CSU is on; test other than self test is running |
LED1 |
Yellow |
Off |
Power is off |
LED2 |
Green |
On |
DSU/CSU is receiving a signal from network |
LED2 |
Red |
On |
DSU/CSU is constantly detecting CMI, OOS, or OOF error signals from network |
LED2 |
Red |
Blinking |
DSU/CSU is detecting CMI, OOS, or OOF intermitently error signals from network |
LED2 |
Yellow |
On |
DSU/CSU is detecting Yellow or Blue alarm from network |
LED2 |
Yellow |
Off |
DSU/CSU is not receiving a signal from network |
LED3 |
Unidentified |
On |
DSU/CSU in Net Loopback mode |
LED3 |
Unidentified |
On |
DSU/CSU in normal operation |
| NET | Unidentified | On |
DSU/CSU in Net Loopback operation |
| NET | Unidentified | Off |
DSU/CSU in normal operation |
RD |
Green |
On |
DSU/CSU is receiving pulses from network |
RD |
Green |
Off |
DSU/CSU is not receiving pulses from network |
RTS |
Yellow |
On |
RTS signal is high |
RTS |
Yellow |
Off |
RTS signal is low |
TD |
Green |
On |
DSU/CSU is detecting pulses from the DTE |
TD |
Green |
Off |
DSU/CSU is not detecting pulses from DTE |