T7295-6EL LSI, T7295-6EL Datasheet - Page 66

• Manufacturer Part Number: T7295-6EL
• Manufacturer: LSI

Specifications of T7295-6EL

• Lead Free Status / Rohs Status: Not Compliant

T7121 HDLC Interface for ISDN (HIFI-64)
Appendix
Power and Ground
Q20: Are there any warning signs that indicate poor grounding practices have been used?
A20: If errors occur which do not appear to be due to software or to the external communications link, then loop
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the T7121 data path back at the concentration highway. Any data transmitted should be received error-free. If
there are errors, poor grounding might be the cause. Look for glitches on RESET and WR leads. Connect
RESET to ground and do a software reset; if the error rate improves, RESET is being glitched and improved
grounding should help.
(continued)
Lucent Technologies Inc.
Data Sheet
April 1997