|
 |
|
Micro House PC Hardware Library Volume II: Network Interface Cards And Modems
by Micro House International, Inc. and Scott Mueller
Que, Macmillan Computer Publishing
ISBN: 078971664x Pub Date: 06/17/98
|
ADTRAN
DSU III S4W
Card Type
| CSU/DSU
|
Chip Set
| Unidentified
|
Transfer Rate
| 56Kbps
|
Data Bus
| External
|


CONNECTIONS
|
Function
| Label
| Function
| Label
|
ENTER button
| B1
| 3 and C button
| B13
|
UP button
| B2
| 6 and F button
| B14
|
DOWN button
| B3
| 9 button
| B15
|
CANCEL button
| B4
| # and QUICK button
| B16
|
1 and A button
| B5
| RS-366 port for dialing
| CN1
|
4 and D button
| B6
| RS-232/422 port
| CN2
|
7 button
| B7
| V.35 port
| CN3
|
* and SHIFT button
| B8
| Line out
| CN4
|
2 and B button
| B9
| 120V AC power
| CN5
|
5 and E button
| B10
| Fuse, 1/2A @ 250V
| R1
|
8 button
| B11
| Power switch
| SW1
|
0 button
| B12
|
|
|
DIAGNOSTIC LED(S)
|
LED
| Color
| Status
| Condition
|
RS
| Green
| On
| RTS signal is high
|
RS
| Green
| Off
| RTS signal is low
|
CS
| Green
| On
| CTS signal is high
|
CS
| Green
| Off
| CTS signal is low
|
TD
| Green
| On
| DSU is transmitting data
|
TD
| Green
| Off
| DSU is not transmitting data
|
RD
| Green
| On
| DSU is receiving data
|
RD
| Green
| Off
| DSU is not receiving data
|
CD
| Green
| On
| Carrier signal detected
|
CD
| Green
| Off
| Carrier signal not detected
|
ALM
| Red
| On
| Alarm condition has occurred on CSU
|
ALM
| Red
| Off
| Alarm condition has not occurred on CSU
|
TST
| Yellow
| On
| CSU is in test mode
|
TST
| Yellow
| Off
| CSU is not in test mode
|
Proprietary AT Command Set
ANTI-STREAMING
|
Type:
| Configuration
|
Format:
| AT [cmds] %Tn [cmds]
|
Description:
| Selects the anti-streaming function.
|
Command
| Function
|
%T0
| Anti-streaming disabled.
|
%T1
| Anti-streaming enabled.
|
AUTO-ANSWER
|
Type:
| Configuration
|
Format:
| AT [cmds] _Jn [cmds]
|
Description:
| Selects whether the DSU will automatically answer incoming calls.
|
Command
| Function
|
_J0
| Auto-answer disabled.
|
_J1
| Auto-answer enabled.
|
CD SIGNAL
|
Type:
| Configuration
|
Format:
| AT [cmds] &Cn [cmds]
|
Description:
| Controls the behaviour of the Carrier Detect signal.
|
Command
| Function
|
&C0
| CD forced high.
|
&C1
| CD normal.
|
&C2
| CD forced high except at disconnect.
|
CLOCK SOURCE
|
Type:
| Configuration
|
Format:
| AT [cmds] &Xn [cmds]
|
Description:
| Sets where the DSU will derive the clock source.
|
Command
| Function
|
&X0
| Internal transmit clock used.
|
&X1
| External ETC clock used.
|
CTS SIGNAL
|
Type:
| Configuration
|
Format:
| AT [cmds] &Rn [cmds]
|
Description:
| Controls the behaviour of the Clear to Send signal.
|
Command
| Function
|
&R0
| CTS forced high.
|
&R1
| CTS follows RTS.
|
&R2
| CTS follows CD.
|
&R3
| CTS and RTS follow CD.
|
&R4
| CTS forced high except at disconnect.
|
CTS DELAY
|
Type:
| Configuration
|
Format:
| AT [cmds] _Dn [cmds]
|
Description:
| Sets the delay from an RTS change to a CTS change.
|
Command
| Function
|
_D0
| Short delay set.
|
_D1
| Long delay set.
|
DIAL BACKUP
|
Type:
| Configuration
|
Format:
| AT [cmds] _En [cmds]
|
Description:
| Selects which stored number the Dial Backup function will dial.
|
|