MOTOROLA, INC.
V.2225
|
Card Type |
Modem (synchronous/asynchronous) |
|
Chip Set |
Unidentified |
|
Maximum Data Rate |
1200bps |
|
Data Bus |
External |
|
Data Modulation Protocol |
Bell 103, 212A ITU-T V.21, V.22 |

|
CONNECTIONS | ||||||
|
Function |
Label |
Function |
Label | |||
|
Line out |
CN1 |
AC power in |
CN4 | |||
|
Line in |
CN2 |
Talk/data switch |
SW1 | |||
|
RS-232/422 |
CN3 |
300/1200bps switch |
SW2 | |||
|
USER CONFIGURABLE SETTINGS | ||
|
Setting |
Label |
Position |
|
í Chassis ground connected to signal ground |
JP1 |
Pins 2 & 3 closed |
|
Chassis ground not connected to signal ground |
JP1 |
Pins 1 & 2 closed |
|
í Transmit level set to -9 (permissive) |
JP2 |
Pins 2 & 3 closed |
|
Transmit level set to programmable |
JP2 |
Pins 1 & 2 closed |
|
í Factory configured - do not alter |
JP5 |
Unidentified |
|
í Factory configured - do not alter |
JP6 |
Unidentified |
|
í Factory configured - do not alter |
JP7 |
Unidentified |
|
í Factory configured - do not alter |
JP8 |
Unidentified |
|
í Factory configured - do not alter |
JP9 |
Unidentified |
|
í Factory configured - do not alter |
JP10 |
Unidentified |
|
í Factory configured - do not alter |
JP11 |
Unidentified |
|
í Factory configured - do not alter |
JP12 |
Unidentified |
|
í Factory configured - do not alter |
JP13 |
N/A |
|
Synchronous mode does not detect ring and dial tone |
JP14 |
Pins 2 & 3 closed |
|
Synchronous mode detects ring and dial tone |
JP14 |
Pins 1 & 2 closed |
|
í Factory configured - do not alter |
JP15 |
Unidentified |
|
í Factory configured - do not alter |
JP16 |
Unidentified |
|
USER CONFIGURABLE SETTINGS (CON’T) | ||
|
Setting |
Label |
Position |
|
í Synchronous mode uses ASCII |
S3/3 |
On |
|
Synchronous mode uses EBCDIC |
S3/3 |
Off |
|
í Asynchronous mode uses 10-bit characters |
S4/1 |
Off |
|
Asynchronous mode uses 11-bit characters |
S4/1 |
On |
|
í Bell/ITU-T mode determined by B command |
S4/2 |
Off |
|
Use ITU-T protocols |
S4/2 |
On |
|
í DTR normal |
S4/3 |
Off |
|
DTR used for off/on hook in manual answer/originate |
S4/3 |
On |
|
í Line will not be set busy during test modes |
S4/4 |
Off |
|
Line will be set busy during test modes |
S4/4 |
On |
|
í Line type determined by &L command |
S4/5 |
Off |
|
Leased-line mode |
S4/5 |
On |
|
í Modem operates in answer mode in leased-line mode |
S4/6 |
Off |
|
Modem operates in originate mode in leased-line mode |
S4/6 |
On |
|
í Simulated half-duplex to another V.2225 disabled |
S4/7 |
Off |
|
Simulated half-duplex to another V.2225 enabled |
S4/7 |
On |
|
í Sync/async mode set by &M command |
S4/8 |
Off |
|
Synchronous mode |
S4/8 |
On |
|
í DCD forced low when idle |
S5/1 |
Off |
|
DCD forced high when idle |
S5/1 |
On |
|
í DSR forced low when idle |
S5/2 |
Off |
|
DSR forced high when idle |
S5/2 |
On |
|
í CTS forced low when idle |
S5/3 |
Off |
|
CTS forced high when idle |
S5/3 |
On |
|
í Auto-answer disabled in dumb mode |
S5/4 |
Off |
|
Auto-answer enabled in dumb mode |
S5/4 |
On |
|
í Modem will not automatically reconnect |
S5/5 |
Off |
|
Modem will automatically reconnect after 3 seconds |
S5/5 |
On |
|
í Disconnect modem on receipt of long space if indicated by Y command |
S5/6 |
Off |
|
Disconnect modem on receipt of long space |
S5/6 |
On |
|
í Disconnect on loss of carrier |
S5/7 |
Off |
|
Do not disconnect on loss of carrier |
S5/7 |
On |
|
í Asynchronous mode: Follow &D on low DTRSynchronous mode: Do not disconnect modem on low DTR |
S5/8 |
Off |
|
Asynchronous mode: Disconnect and reset modem on low DTR Synchronous mode: Disconnect modem on low DTR |
S5/8 |
On |
Note: JP13 is used for jumper storage only. | ||
|
HANDSET POLARITY | ||
|
Setting |
JP3 |
JP4 |
|
í Normal |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
Reversed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
DATA PARITY | ||
|
Setting |
S3/1 |
S3/2 |
|
Even parity |
Off |
Off |
|
Space parity |
On |
Off |
|
í Odd parity |
Off |
On |
|
Mark parity |
On |
On |
|
CLOCK SOURCE | ||
|
Setting |
S3/4 |
S3/5 |
|
í Set by &X command |
Off |
Off |
|
Internal |
On |
Off |
|
External |
Off |
On |
|
Slave |
On |
On |
|
COMMAND SET AND AUTO-ANSWER | ||||
|
Command Set |
Auto-Answer |
SW3/6 |
SW3/7 |
SW3/8 |
|
Disabled |
See S5/4 |
Off |
Off |
Off |
|
AT command set |
Set with S0 |
On |
Off |
Off |
|
V.25bis Byte Sync |
Enabled |
Off |
On |
Off |
|
V.25bis SDLC |
Enabled |
On |
On |
Off |
|
V.25bis Bisync |
Enabled |
Off |
Off |
On |
|
V.25bis Byte Sync |
Disabled |
On |
Off |
On |
|
V.25bis SDLC |
Disabled |
Off |
On |
On |
|
V.25bis Bisync |
Disabled |
On |
On |
On |
|
TRANSMISSION ATTENUATION LEVEL | ||||
|
Setting |
SW6/1 |
SW6/2 |
SW6/3 |
SW6/4 |
|
0dBm |
Off |
Off |
Off |
Off |
|
-1dBm |
On |
Off |
Off |
Off |
|
-2dBm |
Off |
On |
Off |
Off |
|
-3dBm |
On |
On |
Off |
Off |
|
-4dBm |
Off |
Off |
On |
Off |
|
-5dBm |
On |
Off |
On |
Off |
|
-6dBm |
Off |
On |
On |
Off |
|
-7dBm |
On |
On |
On |
Off |
|
-8dBm |
Off |
Off |
Off |
On |
|
-9dBm |
On |
Off |
Off |
On |
|
-10dBm |
Off |
On |
Off |
On |
|
-11dBm |
On |
On |
Off |
On |
|
-12dBm |
Off |
Off |
On |
On |
|
-13dBm |
On |
Off |
On |
On |
|
-14dBm |
Off |
On |
On |
On |
|
-15dBm |
On |
On |
On |
On |
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
MR/RI |
Red |
On |
Power is on |
|
MR/RI |
Red |
Off |
Power is off |
|
MR/RI |
Red |
Blinking |
Phone is ringing |
|
TR |
Red |
On |
DTR signal is high |
|
TR |
Red |
Off |
DTR signal is low |
|
HS |
Red |
On |
Modem is operating at 1200bps |
|
HS |
Red |
Off |
Modem is operating at 300bps |
|
RD |
Red |
On |
Modem is receiving data |
|
RD |
Red |
Off |
Modem is not receiving data |
|
TD |
Red |
On |
Modem is transmitting data |
|
TD |
Red |
Off |
Modem is not transmitting data |
|
TM |
Red |
On |
Modem is in test mode |
|
TM |
Red |
Off |
Modem is not in test mode |
Note: The functions of MC and LED1 are unidentified. | |||