UTMC OTU/MOVA Handbook
667/HB/31601/000
Page 29
Issue 5
Re-secure the battery using new tie wraps, ensuring that the other
set of 4 holes is used (See Appendix A.2 (a) for the drawing)
Replace the cover
The Outstation is now ready for installation.
4.5 CABLE AND WIRING
It is not possible to adopt a standard cable routing, but the following guidelines should
be adhered to:
(a)
Secure all cables to the controller frame or other suitable locations.
(b)
Cables should not obstruct the maintenance work on the controller, the unit
being installed, or any other equipment fitted within the cabinet.
4.6 INTERFACING
4.6.1 RS232 Handset Interface
Type
Cannon DP 25-way socket. RS232C CCITT V24 and V28
Pin Allocation
(see section B.4 for serial cable wiring)
Pin 1 – Protective ground
Pin 2 – Transmit data from terminal to controller
Pin 3 – Received data from controller to terminal
Pin 4 – Request to send
Pin 5 – Clear to send
Pin 6 – Data set ready
Pin 7 – Signal ground
Pin 9 – 5V supply *
Pin 10 – 5V supply *
Pin 18 – 5V supply return
Pin 19 – 5V supply return
Pin 20 – Data terminal ready
* Pins 9 and 10 are connected to the Outstation’s 5V logic supply and can supply a
maximum of 250mA.
Bit Format
7-bit, even parity, 1 stop bit.
Baud Rate
Auto-switching 57,600, 19200 and 1200 Baud.
NB: 115,200 Baud is used for ppp support.
Mode
Full duplex