Installation
52
Installation Manual
2.4.9
Printer and PC Connection
A user-supplied printer or personal computer (PC) can be connected to the Serial Interface
(RS-232C)(9-pin) on the system. The printer is used to print out the SMDR call records and
system programming data. The PC is used for system programming.
Connect the Serial Interface (RS-232C) connector of the printer or the PC to the Serial
Interface. The cables must be shielded and the maximum length is 2 m.
Arrange the cables so that the printer or the PC will be connected to the system as shown in the
chart on the following page.
The pin configuration of the Serial Interface (RS-232C) Connector is as follows:
Pin No.
Signal Name
Circuit Type
EIA CCITT
2
RD(RXD)
Received Data
BB
104
3
4
SD(TXD)
ER(DTR)
Transmitted Data
Data Terminal
Ready
BA
CD
103
108.2
5
6
SG
DR(DSR)
Signal Ground
Data Set Ready
AB
CC
102
107
7
8
RS(RTS)
CS(CTS)
Request To Send
Clear To Send
CA
CB
105
106
Serial Interface (RS-232C)
(D-SUB, 9-pin)
Printer
or
Computer
