TC12 Installation, Commissioning & Maintenance Handbook
7= Low priority message ready from UTC TCC to output e.g. digital
outputs
6= Replies to a pa where the Instation is only
s
intain communication timings.
5= Configuration processing i.e. processing of configuration packets
before allowing them to proceed with their transmission of
data to the modem boards and ultimately the OTUs.
or it to discard.
r if connected not emulated monitor.
Lowest task Instation initialisation.
ts, Key to Press 'B'
ory in which a packet is built prior to transmission back to the host
TC TCC.
s
.
2.4.8 ess
he Instation PC on the Ethernet.
usually 3) = Number of consecutive missing messages before
s
h ou to be flashing when last
ndic sh.
sen Systems Indication panel
when last c
rticular host UTC TCC
handling digital Output for the particular host UTC TCC, with delay
on answering to ma
from host UTC TCC to setup Instation.
4= Sumchecking IMDs done at beginning of every second (top left
hand corner of display. To ensure IMDs have correct timings and
data
3= Discarding memory, this task is passed memory by the other task
f
2= processing for the Keyboard and Instation VDU i.e. standard
monito
1= Serial processing including emulated monitor.
0=
2.4.8.5 Internal Error Coun
This screens shows counts of memory allocation errors associated with the
allocation of memory into which a packet received from the host UTC TCC is
placed and mem
U
Rx packet allocation failure
Packet buffer allocation failure
These should never be other than zero 0
.6 Computer Links, Key to Pr 'C'
Decnet Address = Address of t
Timeout_count (
PC times out and ignore Ethernet link.
Sip_output = Indicates last states of 8 outputs which are sent to the Systems
Indication Panel, 1 = On.
Sip_Flash = Indicates whic
I tputs were required
ation Panel, 1 = Fla sent to the Systems
Sip_input_last_ t = States of 8
he input available from
cked.
666/HE/43100/000 Page 55 Issue 9