TC12 Installation, Commissioning & Maintenance Handbook
(2) System with multiple PCs using Thinwire Cable
r 667/7/22609/007) to the UTC TCC and
each PC.
le terminator (part number 667/7/22609/008) to the T piece on
TCC to PC Ethernet cable (part number 667/7/22609/006) between
t cable T pieces at the UTC TCC and the first PC.
/7/22609/005) between the
/7/22609/005) between the
inator (part number 667/7/22609/008) to the T piece on
Twisted Pair (also known as CAT5) cabling an Ethernet
(s). CAT5 (Twisted Pair) cable is used to connect the TCC to the hub and
connect the hub to the TC12 PC(s).
2.2.7.3 Modem PCB to BT cable
s for connection to the MDF.
The
used. Refer to drawing 667/GA/22654/000 for wire colours etc. The cable
onnects to PL3 on the modem PCB.
is connected in 2 or 4 wire
ntrol and reply use same wire pair)
Modem 1 Control/Reply TD1+ TD1-
ply TD2+ TD2-
Modem 3 Control/Reply TD3+ TD3-
TD4+ TD4-
TD1-
Reply RD1+ RD1-
Reply RD2+ RD2-
Modem 3 Control TD3+ TD3-
Reply RD3+ RD3-
Modem 4 Control TD4+ TD4-
Control RD4+ RD4-
Fit an Ethernet cable T piece (part numbe
the Ethernet card on
Fit an Ethernet cab
the UTC TCC.
Fit the UTC
the Etherne
Fit PC to PC Ethernet cables (part number 667
Ethernet cable T pieces at the first and the second PC.
Fit PC to PC Ethernet cables (part number 667
Ethernet cable T pieces to link up any other PCs in the system.
Fit an Ethernet cable term
the final PC.
(3) System with single or multiple PCs using Twisted Pair Cabling
For a System which uses
hub is normally used between the UTC Traffic Control Computer (TCC) and the
TC12 PC
to
This cable is only fitted if there is no associated Transformer PCB with the Modem
PCB. Figure 14 shows the cable termination
cable is a 10 pair cable (part number 667/1/22654/000) with 8 pairs actually
c
BT cable tool, part number 667/7/22648/000 is used when installing the cable.
Cable termination depends on whether the modem
mode:
2 Wire Connection (Co
Modem 2 Control/Re
Modem 4 Control/Reply
4 Wire Connection (Control and reply use separate wire pairs)
Modem 1 Control TD1+
Modem 2 Control TD2+ TD2-
666/HE/43100/000 Page 40 Issue 9