3COM CORPORATION OFFICECONNECT ISDN LAN MODEM (3C832) Card Type ISDN Modem NIC Type ISDN, Ethernet Maximum Onboard Memory Unidentified Boot ROM Unavailable Network Transfer Rate 128Kbps Topology Star Wiring Type RJ-45 Unshielded twisted pair RJ-11/RJ-45 ISDN BRI Data Bus External [Image] CONNECTIONS Function Label Function Label DC power connector CN1 RJ-45 UTP connector L1 (port 1) RJ-11 analog phone PH1 RJ-45 UTP connector L2 interface (port 2) RJ-11 analog phone PH2 RJ-45 UTP connector L3 interface (port 3) RJ-45 ISDN BRI ISDN BRI RJ-45 UTP connector L4 interface (port 4) DIAGNOSTIC LED(S) LED Color Status Condition ALRT Amber On Power-on self diagnostic test is running; reset button has been pressed ALRT Amber Blinking Diagnostic test has failed or unit placed in firmware download mode ALRT Amber Off Unit has passed diagnostic tests and is working properly PWR Green On Power is on PWR Green Off Power is off ISDN Green On ISDN interface and data channel signaling are synchronized ISDN Green Blinking Interface synchronization is being attempted or ISDN data channel parameters have changed ISDN Green Off ISDN interface and data channel signaling are not synchronized B1/B2 Green On Data call in progress B1/B2 Green Blinking Data call in dialing state B1/B2 Amber On Voice call in progress B1/B2 Amber Blinking Voice call in dialing state TX Green Blinking Data is being transmitted to the Ethernet LAN from the ISDN LAN Modem TX Green Off Data is not being transmitted COL Amber Blinking Collisions are detected on Ethernet LAN COL Amber Off Collisions are not detected on Ethernet LAN P1 Green On Ethernet link integrity signal detected; port 1 is operating normally P1 Green Blinking Port 1 is receiving data P1 Green Off Ethernet link integrity signal not detected on port 1 P2 Green On Ethernet link integrity signal detected; port 2 is operating normally P2 Green Blinking Port 2 is receiving data P2 Green Off Ethernet link integrity signal not detected on port 2 P3 Green On Ethernet link integrity signal detected; port 3 is operating normally P3 Green Blinking Port 3 is receiving data P3 Green Off Ethernet link integrity signal not detected on port 3 P4 Green On Ethernet link integrity signal detected; port 4 is operating normally P4 Green Blinking Port 4 is receiving data P4 Green Off Ethernet link integrity signal not detected on port 4