WESTERMO TELEINDUSTRI AB
TD-23 AC
Card Type | Modem |
Chip Set | Unidentified |
I/O Options | 9-pin serial port (RS-232), terminal blocks (3) |
Data Modulation Protocol | ITU-T V.11, V.23, V.24/V.28 |
Wiring Type | Unshielded twisted pair |
Maximum Transfer Rate | 1200bps |
Data Bus | External |
CONNECTIONS | ||||||
Function | Label | Function | Label | |||
Relay connector (screws 1 & 2) | CN1 | AC power connector (3 pole terminal block) | CN4 | |||
RS-232-C/V.24 interface (screws 3 - 5) | CN2 | Line connector (4 pole terminal block) | CN5 | |||
RS-422/485 interface (screws 6 - 9) | CN3 | 9-pin serial port | CN6 | |||
Note: CN1, CN2, & CN3 are separate interfaces on a 9 pole terminal block |
USER CONFIGURABLE SETTINGS | ||
Setting | Label | Position |
í 2-wire mode enabled (line side) | S2/6 | On |
4-wire mode enabled enabled (line side) | S2/6 | Off |
í 23ms RTS/CTS delay enabled | S2/9 | Off |
60ms RTS/CTS delay enabled | S2/9 | On |
í Activity timer disabled | S3/7 | Off |
1min activity timer enabled | S3/7 | On |
í Filter enabled; receive data is buffered for 6ms | S3/8 | On |
Filter disabled | S3/8 | Off |
LINE TERMINATION | ||
Setting | S1/1 | S1/2 |
í Line termination disabled | Off | Off |
Line termination enabled | On | On |
TRANSMISSION LEVEL | |||
Setting | S2/1 | S2/2 | S2/3 |
3dBm | Off | Off | Off |
-3dBm | On | Off | Off |
-6dBm | Off | On | Off |
í -9dBm | On | On | Off |
-10dBm | Off | Off | On |
-12dBm | On | Off | On |
-13dBm | Off | On | On |
-15dBm | On | On | On |
DCD DETECTION LEVEL | ||
Setting | S2/4 | S2/5 |
í 3dBm | Off | On |
10dBm | On | On |
-3dBm | On | Off |
-15dBm | Off | Off |
CARRIER CONTROL | ||
Setting | S2/7 | S2/8 |
í Carrier controlled by RTS | On | On |
Transmitter activated by incoming data; data is buffered while carrier is established | Off | On |
Permanent carrier established | On | Off |
2-WIRE/4-WIRE MODE SELECTION (RS-422/485 SIDE) | ||
Setting | S3/1 | S3/2 |
í 2-wire mode enabled | On | Off |
4-wire mode enabled enabled | Off | On |
RS-422/485 TERMINATION | ||||
Setting | S3/3 | S3/4 | S3/5 | S3/6 |
í RS-422/485 termination disabled | Off | Off | Off | Off |
2-wire termination enabled (RS-485) | On | On | Off | Off |
4-wire termination enabled (RS-422) | Off | Off | On | On |
DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
PWR | Unidentified | On | Power is on |
PWR | Unidentified | Off | Power is off |
RD | Unidentified | On | Modem is receiving data |
RD | Unidentified | Off | Modem is not receiving data |
TD | Unidentified | On | Modem is transmitting data |
TD | Unidentified | Off | Modem is not transmitting data |
RTS | Unidentified | On | RTS signal is high |
RTS | Unidentified | Off | RTS signal is low |
CTS | Unidentified | On | CTS signal is high. Device ready to send data |
CTS | Unidentified | Off | CTS signal is low |
DCD | Unidentified | On | Data carrier present |
DCD | Unidentified | Off | Data carrier not present. Connection not established |