TD 91684GB
16 April 2015 / Ver. G
Installation Guide
T942C and T942C/2 Central Unit
20
2
Central Unit T942C/2
Figure 25. Central Unit T942C/2
2.1
General
The Central Unit T942C/2 is a simplified version of the T942C and is used in small Ascom
Paging Systems. It controls all communications on the system bus and data buses. It also
generates code to all H/U952T Terminal Transmitters. All inputs and outputs have transient
protection, and all connections are equipped with chokes for increased EMC protection.
Supply voltage:
12.5 V DC
±
10 %
Current consumption:
Max 1 A
IMPORTANT: Protect the unit against current exceding 20 A. Use power cables with
cross-section 3 mm2.
Delivery includes
•
T942C/2
•
Modular system bus cabling
•
FP5 Fuse board 1.25A
Tools, etc., required
•
Screwdriver
•
Screws suitable for their purpose (wall-mounting)
•
Cutting pliers
•
Multi-meter
As a complement to this
Installation Guide
, see the
System Installation
document.
2.2
Regulatory Compliance Statements
Refer to T942C, see
1.1 Regulatory Compliance Statements (EU/EFTA only)
on page 2 and