10 Additional Features (continued)
In order for the PC software to identify the proper
SCT4860 to which you wish to connect, each SCT4860
must be assigned a unit ID number. The unit ID number
consists of the rack number, a dash, and the number of
the unit in a given rack. For example, the third unit
(plugged into power socket numbered 3) in rack number
one would have a unit ID number of "1-3", and the tenth
unit in rack number three would have a unit number of "3-
10". The number of each unit in a given rack is deter-
mined by the connector number on the PS151 power
supply to which it is connected.
Programming the rack number is easily accomplished by
using the PS151 "RACK ID:" menu and setting the ID
number with the PS151 front panel set up buttons. If no
RS232 control is desired, this RACK ID number should be
set to 0.
The PS151 will not respond to RS232 activity when its
RACK ID is 0. Any number of PS151s can have a rack ID
of 0.
When using RS232, assign a unique ID, between 1-1 and
7-10, for each SCT4860 to be controlled. Do not duplicate
a number among any of the up to 70 transcoders that are
to be connected through the same RS232 path to the PC.
This RS232 connection can be used by directly
connecting to a PC serial port or remotely by interfacing
through modems. If an auto answer modem is used at the
headend, one can interface via telephone connection.
The RS232 connection can be used to download new
operating firmware to the SCT4860, if needed for use
with future options.
For remote control operation, PS150/SCT1860 systems
and/or PS100/SCT860 systems can be “daisy chained”
with PS151/SCT2860s, SCT3860s, and SCT4860s, if
desired, and can be controlled by the same PC using the
Drake supplied software. A maximum of 64 SCT860s
can be connected in this fashion in addition to the
maximum of 70 SCT1860/2860/3860/4860s. Any
combination of PS100s, PS150s, and PS151s can be
connected in this manner as long as the maximum
numbers indicated above are not exceeded.
Using the SCTs with the LBS2250 L Band Splitter: The
LBS2250 unit should be mounted above the RMT150
with no extra space between the units. One or two LNB, L
band inputs in the range of 950 to 2250 MHz may be
connected to the inputs of the LBS. On the front panel
side of the rack, the LNB inputs of each SCT should be
connected with a short coaxial jumper cable to the output
of the LBS that is directly above it. Then the power supply
cable of any one of the transcoders should be 'looped
through' the LBS2250.
When a LBS2250 has been connected as described in
the previous paragraph, a new menu will appear in the
SCT menu chain, between the MODE and CHANNEL
menus (see chart). This is where the user may select the
setting of the LNB input switch for that transcoder - either
LNB input A or LNB input B may be selected.
An eight character name such as 'DISH 110' can be
programmed for the A setting and the B setting of the
LBS so that the setting is more meaningful if monitored
remotely. This name may be programmed only via the
RS232 remote program using version 2.7 or above
CDROM.
