This soft copy for use by IBM employees only.
2.2.2.1 Ports
The IBM 8285 Base Unit has the following ATM ports:
•12 ATM25 Ports
−Fully compliant with the ATM Forum Physical Interface Specification for 25.6 Mbps over Twisted Pair Cable
−Use standard
−Support standard twisted pair cabling, either shielded or unshielded
•1 ATM155 Port (Optional):
This port is further described in 2.2.3, ª155 Mbps ATM I/O Cardº on page 13.
2.2.2.2 LEDs
The front panel has LEDs for two purposes:
1. Port LEDs:
•
•
Port Enable
Output Activity
2. Switch Status LEDs:
•
•
•
Power
OK
Fault
2.2.2.3 Connectors
The front panel has four connectors:
•Power Input
The power input connector matches the
•Console Port
The console port is a standard
•Expansion Connector
The expansion connector is a
•Advanced Diagnostics Connector
The advanced diagnostics connector is a
