Modem Installation
DS1000 Hardware Manual Section 5: Maintenance Options and SMDR ◆ 5-3
5
Modem Installation
Installing a Modem
You can connect a modem (P/N 85862D/CNET CN5614XR) to the system’s serial port to do remote mainte-
nance using the System Administrator. Refer to the PC Program User Guide (P/N 80053INS**) for more.
To connect a modem (Figure 5-2):
1. Plug one end of a mod-8 (standard 8 conductor) patch cord into the system’s RS-232 port.
2. Plug the other end of the mod-8 patch cord into the DB25 to Mod-8 Adaptor (P/N 85981).
3. Plug the other end of the adaptor into the DB25F connector on the back of your modem.
The default communications parameters of the system’s serial port are 19200 8 N 1 (19200
baud, eight data bits, no parity and 1 stop bit).
If you have a PC connected to collect history data, press Shift 1 to turn history on and off.
To call from a PC at a remote site:
The remote PC must have a modem connected. Also, the default communications parameters of
the system’s serial port are 19200 8 N 1 (19200 baud, eight data bits, no parity and 1 stop bit).
1. Using commercially available communications software, dial the phone number of the trunk connected
to the modem at the telephone system site.
2. To test history, type Shift 1 on the remote PC.
If history doesn’t output correctly, press Ctrl + Break on the remote PC to toggle through the
available CPU baud rates.
Figure 5-2: Connecting a Modem
80200 - 24
RS-232 Port
Mod 8
Patch Cord
To trunk
Modem Power
Supply
P/N 85981
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