PATTON ELECTRONICS COMPANY
2703-X.21
Card Type | E1 Modem |
Chip Set | Unidentified |
I/O Options | AC power connector, 15-pin DTE connector, BNC network connectors (2), RJ-45 network connector |
Maximum Data Rate | 2.048Mbps |
Data Bus | External |
CONNECTIONS | ||||||
Function | Label | Function | Label | |||
Power connector | CN1 | RJ-45 120Ohm twisted pair connector | CN4 | |||
X.21 DTE port (15pin connector) | CN2 | BNC 75Ohm coaxial connector | CN5 | |||
BNC 75Ohm coaxial connector | CN3 | Power switch | SW3 |
USER CONFIGURABLE SETTINGS | ||
Setting | Label | Position |
í 75Ohm transmit shield to ground | LK1 | Closed |
120Ohm transmit shield to ground | LK1 | Open |
í 75Ohm receive shield to ground connection broken | LK2 | Open |
75Ohm receive shield to ground made | LK2 | Closed (optional) |
í Factory configured - do not alter | LK3 | Open |
í 1200Ohm shield to ground broken | LK4 | Open |
120Ohm shield to ground made | LK4 | Closed (optional) |
í Auto-sense enabled | LK5 | Closed |
Auto-sense disabled | LK5 | Open |
í Device is master (clock generated internally) | S1/1 | On |
Device is slave. (clock recovered from network) | S1/1 | Off |
í Loopback activated by front panel | S1/4 | Off |
Continual loopback mode enabled | S1/4 | On |
í Data inversion disabled | S1/5 | Off |
Data inversion enabled | S1/5 | On |
í Factory configured - do not alter | S1/6 | Off |
í Factory configured - do not alter | S1/7 | Off |
í Factory configured - do not alter | S1/8 | Off |
Loopback test activated | SW2 | On |
Normal mode. Loopback test not activated | SW2 | Off |
LINE IMPEDANCE | ||
Setting | LK6 | LK7 |
75Ohm operation | Closed | Closed |
120Ohm operation | Open | Open |
RATE ADAPTATION | ||
Setting | S1/2 | S1/3 |
256Kbps | On | On |
512Kbps | Off | On |
1.024Mbps | On | Off |
í 2.048Mbps | Off | Off |
DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
PWR | Red | On | Power is on |
PWR | Red | Off | Power is off |
NET | Green | On | Network connection is good |
NET | Green | Off | Network connection is broken |
MCL | Green | On | Device is configured as a master clock unit |
MCL | Green | Off | Device is configured as a slave unit |
LOOP | Green | On | Device is conducting a loopback test |
LOOP | Green | Off | Device is not conducting a loopback test |