Patton electronic 1180 - Manual (Page 5)

4.0 INSTALLATION
The Model 1180 is easy to install. After configuring the DIP
switches, simply connect the single fiber cable, hook up the RS-232
interface, and plug the power supply adapter into the 1180. Figure 4
shows the location of the interface connections on the Model 1180 rear
panel.
4.1 SINGLE FIBER CONNECTION
These short range modems are designed to work in pairs . You will
need one at each end of single multi-mode fiber cable. Depending
upon the data rate setting you select, your cable may be a maximum of
2.5 or 5 Km long. The fiber cable connects to each Model 1180 using
either an ST or an SMA connector. Figure 5 shows a close up of both
connector types.
4.2 RS-232 CONNECTION
The Model 1180 is configured as a DCE. Therefore it wants to
connect to a DTE. When connecting the Model 1180 to DTE hardware
such as a PC, host or terminal, use a
straight through RS-232 cable.
When connecting the Model 1180 to DCE hardware such as a modem,
multiplexer or printer, use a
null modem RS-232 cable. The diagrams
below show some typical RS-232 null modem wiring configurations.
Consult your hardware user manual for the specific pin configuration
you need.
8 7
Figure 4. Rear panel of Model 1180 showing interface connections
Powered Short Range Modem Made In The USA
Fiber
RS-232 Interface Power
Model 1180 Single-Fiber Modem
Power
- Remote
- Normal
- Local
Test
Modes
TD RD RTS CD
Figure 5. Close up of ST and SMA connections
ST
SMA
alignment pin
faces down
Local Software Handshaking
RS-232 DCE Model 1180
DB-25 Pin No. DB-25 Pin No.
1 ---------------------------------------------------1
2 ---------------------------------------------------3
3 ---------------------------------------------------2
4
4
5 5
6 6
8 8
20 20
7 ---------------------------------------------------7
Local Hardware Handshaking
RS-232 DCE Model 1180
DB-25 Pin No. DB-25 Pin No.
1 ---------------------------------------------------1
2 ---------------------------------------------------3
3 ---------------------------------------------------2
4 ---------------------------------------------------5
5 ---------------------------------------------------4
6 ---------------------------------------------------20
8
20 ---------------------------------------------------6
8
7 ---------------------------------------------------7