TC12 Installation, Commissioning & Maintenance Handbook
2.2.2.9 IMD Distribution M odules (16i and 16e Units)
09/010), which are part of the
IGI 16i and DIGI AccelePort 16e units are secured by clamps (667/2/22638/000)
to the IMD Distribution Mountin 636/000, see TC12 cabinet
mbly t
cables labelled
P2 and P3. The other end of these ribbon cables connects to the two connectors,
labelled P2
One IMD module contains 16 25-way D-type connectors. A group of four D-
Connectors connect via a single 24-way cable to one modem PCB, see section
2.2.4.2 s on one
modem PCB.
The IMD Cables should be secured to the bottom of the hinged IMD panel.
Note: If it becomes necessary to replace either the IMD distribution box or the IMD
PCB they should both be changed at the same time.
Note: Before fitting the card into the PC, the card and the distribution unit should
be laid out on the bench and positions of the folds in the two ribbon
cables, determined. Where the ribbon cables pass through the rear of the
PC they should be strapped together with insulating tape. The card has to
be fitted to the PC before the ribbon cables are finally plugged into the
card.
2.2.2.10 IMD Distribution Modules (Xem Units)
T
alumin
suitable shelf is a 1U Modem shelf (RS Part No 228-9441).
2.2.2.11 T
The TC
TC12 required to
u e
T
versio
•
•
• connection,
If the T
attach
The IMD distribution Units (part number 667/7/226
Dg Panel (667/2/22
assembly drawing 667/GA/22600/000 and TC12 IMD/Modem Panel asse
drawing 667/GA/22635/000). This mounting panel is a hinged aluminium panel a
the back of the Instation. Each IMD Distribution Unit has two ribbon
and P3, on the IMD card in the PC.
. This cable provides V.24 signals from the PC to the four modem
he 16em DB25 Module is the wrong shape to be mounted on the hinged
ium panel and is normally mounted on a shelf within the TC12 cabinet. A
C12 Instation PC Software Installation
12 PC Software is supplied on a single floppy disk. There are 2 versions of
software currently in use, Version 7.4 should be used if it is
pdat an existing installation; Version 8.3 should be used on all new installations.
he installation procedure for both software versions is basically the same, but
n 8.3 has the following additional features:
Allows a PC processor card with onboard Ethernet to be used
An option to disable the playing of the start up tune
An option to disable the driving of the SIP.
• The default screen display shows the state of the TCC Ethernet
and the System and Operational alarm states.
C12 PC does not have a built-in monitor, a VGA monitor should be
ed before starting the software installation process.
666/HE/43100/000 Page 18 Issue 9