Siemens TC12 사용자 설명서
TC12 Installation, Commissioning & Maintenance Handbook
2.2.4
Ensure that the correct variant has been supplied e.g.
he PCB is fitted with a cover (part number 667/2/22647/000 top, /001 rear). This
cover must ALWAYS be fitted before any connectors are attached to the PCB, and
removed whilst any cables are connected to the PCB.
a
to PL3 on its associated
odem PCB.
rear view of a fully equipped rack. The positions of the ribbon
Transformer Board Connectors PL1 and PL3
ransformer Board Switches S1, S2, S3 and S4
.3 Transformer PCB and Modem/Transformer Cable
Figure 10 shows the layout of the Transformer PCB.
666/1/02245/000 for the UK.
666/1/02245/000 or 666/1/02245/002 for non-UK.
666/1/02245/000 or 666/1/02245/002 for non-UK.
T
should NEVER be
Each Transformer PCB has a ribbon cable (part number 667/1/22646/000) with
14-way connector at one end and a 37-way 'D' connector at the other. This
connects the Transformer PCB (T1, T2 etc.) to its associated Modem PCB (i.e.
M1, M2 etc.).
Each Transformer PCB has a ribbon cable (part number 667/1/22646/000) with
14-way connector at one end and a 37-way 'D' connector at the other. This
connects the Transformer PCB (T1, T2 etc.) to its associated Modem PCB (i.e.
M1, M2 etc.).
Transformer Board Connector PL2
The cable connects from PL2 on a transformer PCB
m
m
Figure 11 shows a
cables are indicated.
cables are indicated.
T
Ensure that for any unused telephone lines the corresponding switches on the
front of the PCB are set to ON. For example, if the 7th and 8th radial lines of
modem 2 are not used then switches 7 and 8 of S2 should be put to the on
position.
front of the PCB are set to ON. For example, if the 7th and 8th radial lines of
modem 2 are not used then switches 7 and 8 of S2 should be put to the on
position.
666/HE/43100/000
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Issue 9