User Manual

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Siemens Building Technologies COM1 communication cards CM2N8311E
Landis & Staefa Division 05.10.2000
Mechanical design
Plug-in cards with connection tabs to the terminal block (except TYP PVC1.1T). The
related terminal block is mechanically encoded to only allow for connection at the des-
ignated location (III) on the basic unit.
83
11
Z0
1
X2 X3
123 4
1 Plug connections to the terminal block III at the basic unit
2 TTY1 connection for modem or local operation, D-sub 25-pin
3 TTY2 connection for printer or local operation, D-sub 25-pin
4 Internal plug connection to the basic unit
The above two COM1 cards differ as follows from the above illustration in terms of
hardware:
− Type PVC1.1S no D-sub connection on pos. 2 and 3
− Type PVC1.1T no plug contacts on pos. 1
Engineering notes
Note the following during engineering:
• Use these cards only for applications as described in the brief description on the title
page (bold print) and the section "Use".
• For the connections, the specifications in section "Technical data" apply.
• Conduct all wiring as described in section "Internal diagrams".
• For bus connections in an overall system, read data sheet N8024 "Building Level
Network, SDLC ring".
Mounting notes
The communication cards are delivered with mounting instructions. These instructions
show where and how to insert the respective cards in the basic unit.
Do not touch electrical contacts or components on the open unit or card, as electro-
static discharges may destroy sensitive components!
When mounting, apply suitable safety measures such as using an earthed antistatic
mat connected to your wrist.
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View of card
PVC1.1ST/BPS1.C1/1ST
Hardware differences
STOP
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