DIGITAL LINK CORPORATION DL3200E Card Type E3 DSU/CSU Chip Set Unidentified I/O Options AC power connector, DC power and alarm relay terminal block, 9-pin serial ports (2), DTE port via 25-pin V.35 connector, DTE port via HSSI connector, monitor jack - receive, monitor jack -send, E3 network interface via BNC connectors (2), External clock via BNC connector E3 Transfer Rate 2.048Mbps E3 Protocol PLCP E3 Line Coding RZ, HDB3 Frame type G.751, G.703, G.823 Data Bus External [Image] CONNECTIONS Function Label Function Label BNC external clock CLK DC power & alarm relay CN6 connector terminal block DTE port via HSSI CN1 Monitor jack - send CN7 connector DTE port via 25-pin CN2 Monitor jack - receive CN8 connector 9-pin serial port 1 CN3 Fuse F1 9-pin serial port 2 CN4 BNC E3 network RCV interface - receive AC power connector CN5 BNC E3 network XMT interface - transmit DIAGNOSTIC LEDS (DTE STATUS) LED Color Status Condition INS Green On Module is in-service and functioning normally INS Yellow On Module is functioning normally but is not generating any alarms INS Red On A controller failure has been detected NTST Unidentified On Bidirectional DTE/Network loopback test is in progress NTST Unidentified Off Module is not conducting a bidirectional DTE/Network loopback test TD Unidentified Blinking Data is being transmitted to the E3 network TD Unidentified Off Data is not being transmitted to the E3 network RD Unidentified Blinking Data is being received from the E3 network RD Unidentified Off Data is not being received from the E3 network RTS Unidentified On RTS signal is high RTS Unidentified Off RTS signal is low CTS Unidentified On CTS signal is high CTS Unidentified Off CTS signal is low DTR Unidentified On DTR signal is high DTR Unidentified Off DTR signal is low DIAGNOSTIC LEDS (PCLP ALARM STATUS) RED Unidentified On Out of frame (OOF) conditions detected on received PLCP signal RED Unidentified Off Out of frame (OOF) conditions not detected on received PLCP signal YEL Unidentified On Receiving unit in the SMDS fabric is out of frame YEL Unidentified Off Receiving unit in the SMDS fabric is not out of frame PAR Unidentified On BIP8 parity errors have been detected in the receive PCLP PAR Unidentified Off BIP8 parity errors have not been detected in the receive PCLP DIAGNOSTIC LEDS (E3 NETWORK STATUS) EINS Green On Module is in-service and functioning normally EINS Yellow On Module is functioning normally but is not generating any alarms EINS Red On A module failure has been detected ALM Unidentified On DSU/CSU is in alarm state ALM Unidentified Off DSU/CSU is not in alarm state OOF Unidentified On Loss of signal (LOS) or out of frame (OOF) alarm condition has been detected on E3 receive signal OOF Unidentified Off Loss of signal (LOS) or out of frame (OOF) alarm condition has not been detected on E3 receive signal YEL2 Unidentified On Out of frame alarm signal detected on far-end equipment YEL2 Unidentified Off Out of frame alarm signal not detected on far-end equipment AIS Unidentified On Alarm indication signal detected on network AUnidentified Off Alarm indication signal not detected on network BPV Unidentified Blinking Bipolar violations or HDB3 errors have been detected on E3 network BPV Unidentified Off Bipolar violations or HDB3 errors have not been detected on E3 network PAR2 Unidentified On BIP8 parity errors have been detected on E3 network PAR2 Unidentified Off BIP8 parity errors have not been detected on E3 network DIAGNOSTIC LEDS (PROCESSOR STATUS) RXL3 Unidentified On Unit is reassembling an L3_PDU RXL3 Unidentified Off Unit is not reassembling an L3_PDU RXL2 Unidentified On Unit is performing L2 processing on received signal RXL2 Unidentified Off Unit is not performing L2 processing on received signal TXL3 Unidentified On Unit is processing an L3 transmit signal TXL3 Unidentified Off Unit is not processing an L3 transmit signal TXL2 Unidentified On Unit is processing an L2 transmit signal TXL2 Unidentified Off Unit is not processing an L2 transmit signal Note: Pressing STAT and ENTER buttons simultaniously lights all LEDs to verify lamp functionality