Xen Topaz System Hardware Manual
Installing the Optional Equipment - 47
Doc. No. 8846 - Release 1.1
September 2004
1.6 Serial Cable Specification
The connection for the cable that links between the system and SMDR
Device is as below.
9 Pin to 9 Pin Cable
9 Pin to 25 Pin Cable
• The Serial Cable must be shielded, and the maximum cable length is 15m.
System SMDR Device
Signal Pin No. Pin No.
Signal
Name
RXD 2 2 RXD
TXD 3 3 TXD
DTR 4 4 RTS
SG 5 5 CTS
DSR 6 6 DSR
RTS 7 7 SG
CTS 8 20 DTR
System SMDR Device
Signal Pin No. Pin No.
Signal
Name
RXD 2 2 TXD
TXD 3 3 RXD
DTR 4 4 RTS
SG 5 5 CTS
DSR 6 6 DSR
RTS 7 7 SG
CTS 8 20 DTR
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