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 |

CONNECTIONS | |||
Function | Label | Function | Label |
DC power connector | CN1 | RJ-45 UTP connector (port 1) | L1 |
RJ-11 analog phone interface | PH1 | RJ-45 UTP connector (port 2) | L2 |
RJ-11 analog phone interface | PH2 | RJ-45 UTP connector (port 3) | L3 |
RJ-45 ISDN BRI interface | ISDN BRI | RJ-45 UTP connector (port 4) | L4 |
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 |