Siemens TRAFFIC CONTROLS TC12 Manual De Usuario

 

TC12 Installation, Commissioning & Maintenance Handbook 

b) 2 wire system but with 4 wire selected in error: 
No reply message will be received. Only the yellow LED for the modem will come 
on. 
 
(4) 

SW5 -

on

 LED will 

 the switch is set On when there is an OTU on the line then no Control message 

will be sent to the OTU. 

ffect 

. 

 PCB addresses are duplicated on one or more boards, the outputs on each 

tion of PC Ethernet card or cables or 

lure. 

 Ethernet cable/cable not attached. 

 

A 50 Ohm termination has been missed off one of the 

t a PC. 

rd is set to invalid number 

i.e. 0 or F. 

other 

Instation; only one Instation will operate correctly. 

 

IMD Interrupt Vector switch DS2 incorrectly set. 

No UTC TCC 
communication with 
Instation, SIP VAX LED off 

PC not powered up - Check PC power LED on PSU 
PCB. 

 Transformer Select Switch 

a) On board transformers required but off board set in error. 
 
No C

trol signal on the line and therefore no received signal. The yellow

be on and the green LED off. 
 
b) Off board transformers required but on board set in error. 
The power output of the control message on the line will be reduced. 
 

S1, S2, S3 and S4: 
 
If

 
If the switch is left switched off when there is no OTU on that line, this may a
the integrity of the control signal to other OTUs connected to the same modem
 

S1 - PCB Address 
 
If
board will be set identically. 
 

No UTC TCC 

Incorrect installa

communications with 
Instation, SIP VAX LED on. 

faulty Ethernet card. On the 3Com Ethernet card, 
failure to disable the memory can cause this fai

 

No

Ethernet T-pieces, either at the UTC TCC or a

 

PC address on PSU boa

 

PC address on PSU PCB is set duplicated in an

666/HE/43100/000  

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Issue 9