Netgear XM128 ISDN User Manual Page 144

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Reference Guide for the Model XM128 ISDN Digital Modem
F-2 Serial Port Interface
Asynchronous Cable Connections
Table F-2 provides information about the asynchronous flow control cable connection.
22 125 CE Ring indicator (RI).
24 113 DA Transmit clock signal (source: DTE). ?
25 142 Test indicator.
Table F-2. Asynchronous flow control cable connection
Modem
(DCE) DB25
Signal To PC
(DTE) DB 9
To DCE
(Null) DB25
To
MAC Mini 8
To NeXT
68,040 Mini 8
2TXD3333
3RXD2255
4RTS7516
5CTS8428
6DSR620
7 Ground 5 7 4,8 4
8 CD (DCD) 1 20 2
20 DTR 4 6,8 1 1
22 RI 9
Table F-1. Serial port interface (continued)
Pin number
ITU-TSS
signal name
EIA
signal name
Signal/pin description
Signal direction
DTE -DCE
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