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 (CONT) | ||
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. |