Troubleshooting guide

14 Hardware Configuration Reference Guide
SW-1 (Asynchronous Link Features)
SwitchProtocol Error
checking
Parity Embedded
Response
12345
Full duplex BCC None No OFF OFF OFF
Full duplex BCC Even No ON OFF OFF
Full duplex BCC None Yes OFF ON OFF
Full duplex BCC Even Yes ON ON OFF
Half duplex BCC None No OFF OFF ON
Half duplex BCC Even No ON OFF ON
Full duplex CRC None Yes OFF ON ON
Half duplex CRC None No ON ON
n/a n/a
ON
SW-1 Switch 3 (Duplicates)
Messages Switch 3
Detect and ignore duplicates ON
Accept all regardless of duplication OFF
SW-1 Switch 4 (Handshaking)
Handshaking Switch 4
Use handshaking signals ON
Ignore handshaking signals OFF