Serial Cable Specification - NEC Xen Topaz System Hardware Manual

Xen Topaz
Installing the Optional Equipment
• The Serial Cable must be shielded, and the maximum cable length is 15m.

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
System
Signal Pin No.
RXD
TXD
DTR
SG
DSR
RTS
CTS
9 Pin to 25 Pin Cable
System
Signal Pin No.
RXD
TXD
DTR
SG
DSR
RTS
CTS
2
3
4
5
6
7
8
2
3
4
5
6
7
8
System Hardware Manual
SMDR Device
Signal
Pin No.
Name
2 RXD
3 TXD
4 RTS
5 CTS
6 DSR
7 SG
20 DTR
SMDR Device
Signal
Pin No.
Name
2 TXD
3 RXD
4 RTS
5 CTS
6 DSR
7 SG
20 DTR
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