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iv Sun PCI High Speed Quad Port Serial Interface Adapter User’s Guide • May 2010
Installing the Software 12
▼ To Install the SunHSI Software 12
▼ To Test the Installation 14
Configuring the Software 14
▼ To Configure for Point-to-Point Protocol 15
4. SunHSI Utilities 17
hsip_init Utility 17
T1 Compatibility Options 18
Operating Modes Options 18
HDLC Mode 19
IBM (SDLC) Mode 19
hsip_loop Utility 20
hsip_stat Utility 21
A. Cable Pin Assignments & Signals 23
Pin Assignments 23
Interface Signals 27
B. Null Modem Cable Requirements 29
Configuring Internal or External Clocking 30
Building the Null Modem Cable 30
RS-449 Null Modem Cable 31
X.21 to RS-449 Converter 34
C. T1 Inverted Data and Clock Signals 35
Data Signal Inversion 35
Bipolar with 8-Zero Substitution 36
HDLC Zero Insertion Algorithm 36
Clock Signal Inversion 37