Configurable I/O panel or telephony systems

Details Configurable I/O panel or telephony systems Configurable I/O panel or telephony systems

1996-03-27

1998-11-03

Tsang, Fan S.

Telephonic communications

Centralized switching system

Structure of equipment

379325, 379326, 379327, 379328, 379329, 379330, 379399, 361826, 361827, 361828, 361829, 174 35C, 174 35R, 174 35GC, H04M 300, H04M 100, H02B 120, H05K 900

Patent

active

058320733

ABSTRACT:
A configurable I/O panel assembly includes an upper and a lower I/O panel (connector plate), and a cover plate. A plurality of upper I/O panels is provided, from which the upper I/O panel is selected. Similarly, a plurality of lower I/O panels is provided, from which the lower I/O panel is selected. The cover plate is selected from a plurality of cover plates. Openings are formed in the upper and lower I/O panels for receiving cable connectors. Typical connectors include, but are not limited to, 50-pin connectors, RS-232 connectors, 9-pin D-sub connectors, RJ-45 jacks and BNC connectors. Grounding and other signal conditioning circuitry for the connectors are provided to protect against EMI radiation.

REFERENCES:
patent: 5006959 (1991-04-01), Freige et al.
patent: 5175670 (1992-12-01), Wang
patent: 5305187 (1994-04-01), Umezu et al.
patent: 5406026 (1995-04-01), Yamaguchi et al.
patent: 5509066 (1996-04-01), Saligny
IBM 9751 LBX System Service Manual, IBM Rolm Systems, Mar. 1989 (Rev.2), pp. 8-21-8-24.

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