PATTON ELECTRONICS COMPANY
1140
|
Modem Type |
Data (synchronous/asynchronous) |
|
Maximum Data Rate |
38.4Kbps |
|
Data Bus |
External |
|
Data Modulation Protocol |
Proprietary |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Line out |
CN1 |
RS-232/422 |
CN3 |
|
Line in |
CN2 | ||
|
CARRIER CONTROL | |
|
Setting |
SW3/H |
| Always on |
Off |
|
Follows RTS |
On |
|
CLOCK SOURCE | ||
|
Setting |
SW3/E |
SW3/F |
| Internal transmit |
On |
On |
|
Receive recover |
Off |
On |
|
External transmit |
On |
Off |
|
DATA RATE FLUCTUATION ALLOWED | |
|
Setting |
SW4/C |
|
-2.5% to 1% |
Off |
| -2.5% to 2.3% |
On |
|
LOOPBACK TEST SELECT | |
|
Setting |
SW2 |
|
Local analog loopback |
1 |
|
Normal operation |
2 |
|
Remote digital loopback |
3 |
|
MODE | |
|
Setting |
SW3/G |
| Asynchronous |
On |
|
Synchronous |
Off |
|
RTS/CTS DELAY | ||
|
Setting |
SW4/D |
SW4/E |
| 7ms |
On |
On |
|
53ms |
Off |
On |
|
Disabled |
On |
Off |
|
Disabled |
Off |
Off |
|
SPEED | ||||
|
Setting |
SW3/A |
SW3/B |
SW3/C |
SW3/D |
|
1.2Kbps |
On |
On |
On |
On |
|
1.8Kbps |
Off |
On |
On |
On |
|
2.4Kbps |
On |
Off |
On |
On |
|
3.6Kbps |
Off |
Off |
On |
On |
|
4.8Kbps |
On |
On |
Off |
On |
|
7.2Kbps |
Off |
On |
Off |
On |
| 9.6Kbps |
On |
Off |
Off |
On |
|
14.4Kbps |
Off |
Off |
Off |
On |
|
19.2Kbps |
On |
On |
On |
Off |
|
28.8Kbps |
Off |
On |
On |
Off |
|
38.4Kbps |
On |
On |
Off |
Off |
|
57.6Kbps |
Off |
On |
Off |
Off |
|
TEST SELECT | |
|
Setting |
SW1 |
|
Generate 511 test pattern |
1 |
|
Normal operation |
2 |
|
Generate 511E test pattern |
3 |
|
V.54 LOOPBACK TEST | |
|
Setting |
SW4/H |
| Enabled |
Off |
|
Disabled |
On |
|
WORD LENGTH | ||
|
Setting |
SW4/A |
SW4/B |
|
8 bit |
Off |
On |
|
9 bit |
On |
On |
| 10 bit |
Off |
Off |
|
11 bit |
On |
Off |
|
FACTORY CONFIGURED SETTINGS | |
|
Switch |
Setting |
|
SW4/F |
Not used |
|
SW4/G |
Not used |
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
ERROR |
Red |
Blinking |
Errors detected during V.54 test |
|
ERROR |
Red |
On |
Test pattern generator functional |
|
ERROR |
Red |
Off |
Normal operation |
|
TEST |
Red |
On |
Local analog loopback test in progress |
|
TEST |
Red |
Off |
Normal operation |