3COM CORPORATION
OFFICECONNECT REMOTE 510/511
Card Type | ISDN to Ethernet router |
NIC Type | ISDN, Ethernet |
Maximum Onboard Memory | Unidentified |
I/O Options | RJ-45 (2), 9-pin serial port (RS-232), BNC connector, ISDN BRI interface |
Network Transfer Rate | 128Kbps |
Topology | Star |
Wiring Type | RJ-45 Unshielded twisted pair ISDN BRI RG58A/U 50ohm coaxial |
Data Bus | External |

CONNECTIONS | |||
Function | Label | Function | Label |
DC power connector | CN1 | RJ-45 UTP connector | CN4 |
9-pin serial port | CN2 | RJ-45 ISDN connector | CN5 |
BNC connector | CN3 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
| » | Factory configured - do not alter | RESET | N/A |
| » | Hub connection enabled | MDI/X | In |
Single PC connection enabled | MDI/X | Out | |
DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
ALRT | Orange | On | Error detected on network |
ALRT | Orange | Blinking (slow) | Device is loading software during power up or new software is being downloaded |
ALRT | Orange | Blinking (fast) | Self diagnostic test is being conducted during power up |
ALRT | Orange | Off | Device has passed diagnostic tests and is working properly |
PWR | Green | On | Power is on |
PWR | Green | Blinking (slow) | New software is being downloaded |
PWR | Green | Blinking (fast) | Self diagnostic test or software loading is being conducted during power up |
PWR | Green | Off | Power is off |
LINK | Orange | On | LAN connection established |
LINK | Orange | Off | No LAN connection detected |
ISDN | Green | On | Device is connected to a working ISDN line |
ISDN | Green | Blinking | An error condition has been detected on the ISDN line |
ISDN | Green | Off | ISDN condition not present |
CH1 | Yellow | On | ISDN call is in progress on channel 1 |
CH1 | Yellow | Blinking | ISDN call is in dialing state on channel 1 |
CH1 | Yellow | Off | ISDN call is not in progress on channel 1 |
CH2 | Yellow | On | ISDN call is in progress on channel 2 |
CH2 | Yellow | Blinking | ISDN call is in dialing state on channel 2 |
CH2 | Yellow | Off | ISDN call is not in progress on channel 2 |
VOICE | Yellow | On | Voice call in progress |
VOICE | Yellow | Blinking | Handset is off hook, dial tone present; call has been dialed and is ringing out, or an incoming call is being received |
VOICE | Yellow | Off | Voice call not in progress |
WAN | Yellow | On | WAN connection is valid and can pass data |
WAN | Yellow | Blinking | Error detected on the WAN port |
Note: ISDN utilization LEDs provide an indication of ISDN utilization as a percentage of network loading. If ISDN utilization is consistently indicated at 100%, the device may be configured to filter some of the data, or an additional link may be required. | |||