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 p
urpose (wall-mounting)
• Cutting pliers
• Multi-meter
As a complement to this Installation Guide, see the S
ystem Installation document.
2.2 Regulatory Compliance Statements
Refer to T942C, see 1.1 Regulatory Compliance Statements (EU/EFTA only) on page 2 and
1.2 Regulatory Compliance Stat
ements (USA only) on page 2.