ASTROCOM
SP - 100
Card Type | CSU/DSU |
NIC Type | T1 |
Chip Set | Unidentified |
I/O Options | AC power connector, serial ports via 9-pin connector (2), DTE port via 25 pin connector, network interface via RJ-48 connector line jack - transmit/receive, monitor jack - transmit/receive |
Wiring Type | RJ-48 T1 |
Maximum Data Rate | 64Kbps |
Data Bus | External |

CONNECTIONS | |||
Function | Label | Function | Label |
AC power connector | CN1 | Line jack - receive | CN6 |
Serial port (PPP) | CN2 | Monitor jack - transmit | CN7 |
DTE port via 25-pin connector | CN3 | Monitor jack - receive | CN8 |
Network interface via RJ-48 connector | CN4 | Serial port (control) | CN9 |
Line jack - transmit | CN5 | Power switch | SW1 |
USER CONFIGURABLE SETTINGS | ||
Setting | Label | Position |
Local loopback enabled | SW2 | On |
Remote loopback enabled | SW2 | Off |
2047 pattern generator enabled | SW3 | On |
2047ERR pattern generator enabled | SW3 | Off |
DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
LOS/OOF | Red | On | Network signal is out of frame synchronization, or signal is lost |
LOS/OOF | Red | Off | Network signal is not lost or out of frame synchronization |
YEL | Amber | On | Yellow alarm signal received from network |
YEL | Amber | Off | Yellow alarm signal not received from network |
AIS | Red | On | Blue alarm signal received from network |
AIS | Red | Off | Blue alarm signal not received from network |
ERR | Amber | On | BPV, CSS, or SES error(s) detected on network |
ERR | Amber | Off | BPV, CSS, or SES error(s) not detected on network |
ERR | Amber | Blinking | DSU/CSU is receiving 2047ERR pattern |
TST | Amber | On | DSU/CSU is running a local loopback test or 2047 pattern generator |
TST | Amber | Off | Remote loopback test in progress |
TST | Amber | Blinking | Test not in progress |
SYNC | Green | On | No alarm declared |
SYNC | Green | Blinking (on 50ms/off 500ms) | DSU/CSU is transmitting a AIS (blue) alarm |
SYNC | Green | Blinking (on 500ms/off 50ms) | DSU/CSU is transmitting a yellow alarm |
SYNC | Green | Off | Severe alarm declared |
DTE | Green | On | DTE port active |
DTE | Green | Off | DTE port inactive |
PWR | Green | On | Power is on |
PWR | Green | Off | Power is off |