MULTI-TECH SYSTEMS, INC.
MT56DSU2
|
Card Type |
DSU/CSU (synchronous/asynchronous) |
|
Transfer Rates |
56Kbps/19.2Kbps/9600bps/4800bps/2400bps |
|
Data Bus |
External |
|
Data Modulation Protocol |
DDS |
|
Topology |
Star/Peer-Peer |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
RS-232 port |
CN1 |
V.35 port |
CN4 |
|
DC power |
CN2 |
Power switch |
SW1 |
|
RJ-48 line out |
CN3 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
| » |
RTS forced high |
SW2/6 |
Off |
|
RTS normal |
SW2/6 |
On | |
| » |
DSR forced high |
SW2/7 |
Off |
|
DSR normal |
SW2/7 |
On | |
| » |
Synchronous mode |
SW2/8 |
On |
|
Asynchronous mode |
SW2/8 |
Off | |
| » |
Loopback test mode disabled |
SW2/9 |
On |
|
Loopback test mode enabled |
SW2/9 |
Off | |
| » |
Test pattern mode disabled |
SW2/10 |
On |
|
Test pattern mode enabled |
SW2/10 |
Off | |
| » |
Circuit assurance function disabled |
SW2/11 |
On |
|
Circuit assurance function enabled |
SW2/11 |
Off | |
| » |
System status function disabled |
SW2/12 |
On |
|
System status function enabled |
SW2/12 |
Off | |
| » |
Elastic store function disabled |
SW3/3 |
On |
|
Elastic store function enabled |
SW3/3 |
Off | |
| » |
Anti-streaming function disabled |
SW3/4 |
Off |
|
Anti-streaming function enabled |
SW3/4 |
On | |
|
ASYNCHRONOUS MODE BIT LENGTH | |||
|
Setting |
SW3/1 |
SW3/2 | |
|
9-bit |
On |
Off | |
| » |
10-bit |
Off |
On |
|
11-bit |
On |
On | |
|
CLOCK SOURCE | |||
|
Setting |
SW2/4 |
SW2/5 | |
|
Internal |
On |
On | |
|
External |
Off |
Off | |
| » |
From DDS network |
Off |
On |
|
TRANSMISSION RATE | ||||
|
Setting |
SW2/1 |
SW2/2 |
SW2/3 | |
|
2400bps |
Off |
Off |
Off | |
|
4800bps |
Off |
On |
Off | |
|
9600bps |
Off |
Off |
On | |
|
19.2Kbps |
Off |
On |
On | |
| » |
56Kbps |
On |
On |
On |
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
SD |
Red |
On |
DSU is transmitting data |
|
SD |
Red |
Off |
DSU is not transmitting data |
|
RD |
Red |
On |
DSU is receiving data |
|
RD |
Red |
Off |
DSU is not receiving data |
|
CD |
Red |
On |
Carrier signal detected |
|
CD |
Red |
Off |
Carrier signal not detected |
|
56 |
Red |
On |
DSU connected at 56Kbps |
|
56 |
Red |
Off |
DSU not connected at 56Kbps |
|
19.2 |
Red |
On |
DSU connected at 19.2Kbps |
|
19.2 |
Red |
Off |
DSU not connected at 19.2Kbps |
|
96 |
Red |
On |
DSU connected at 9600bps |
|
96 |
Red |
Off |
DSU not connected at 9600bps |
|
48 |
Red |
On |
DSU connected at 4800bps |
|
48 |
Red |
Off |
DSU not connected at 4800bps |
|
CTS |
Red |
On |
CTS signal is high |
|
CTS |
Red |
Off |
CTS signal is low |
|
RTS |
Red |
On |
RTS signal is high |
|
RTS |
Red |
Off |
RTS signal is low |
|
NS |
Red |
On |
DDS signal not detected |
|
NS |
Red |
Off |
DDS signal detected |
|
NS |
Red |
Blinking |
Errors detected in test pattern |
|
OOS |
Red |
On |
DDS network out-of-service condition detected |
|
OOS |
Red |
Off |
DDS network out-of-service condition not detected |
|
TM |
Red |
On |
DSU is in test mode |
|
TM |
Red |
Off |
DSU is not in test mode |