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At the other end of the cable, connect wires 1 and 2 to contacts
2.
3 and 6 respectively. Likewise, connect wires 3 and 6 to con-
tacts 1 and 2. Refer to the following diagram:
Diagnostic Port Specifications
This section provides supplemental information that concerns d iag-
nostic port connections. Information on RS-232 DB-25 connectors is
provided for connections with 25-pin console devices.
RS-232 (DB9) Pin Specification
The RS-232 serial port of the hub uses a 9-pin female connector. The
port can be connected to a VT-100 terminal, a PC, or a workstation
emulating a VT-100 terminal. The figures below show the connec-
tions necessary for connection to 9-pin and 25-pin RS-232 devices.
Cables and Connectors
77
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