CIX40 Installation
CIX40 Secondary Protection
1-34 Strata CIX40 Installation & Maintenance 5/06
CIX40 Secondary Protection
The following diagram (see Figure 1-26) shows where secondary protectors must be installed for
outside wiring.
Figure 1-26 CIX40 Secondary Protector Diagram
Important! To protect against transient voltages and currents, solid state secondary protectors
must be installed if there is outside wiring. These protectors, which contain fast
semiconductors in addition to fuses, shall comply with the requirements for
secondary protectors for communication circuits, UL 497A. Care must be taken to
ensure that they are very well grounded to a reliable earth ground. Recommended
protectors are available in the fast Series 6 line from ONEAC Corp., Libertyville,
Illinois 60048, (800) 327-8801. Install and test the secondary protectors precisely to
the installation instructions of these manufacturer.
Standard
Telephone
Building #1
Building #2
Digital
Telephone
Digital Telephone
or Cordless Base
Loop start Lme
(Gas tube secondary
protectors provided on the interface cards
per UL requirements.
Secondary protectors – standard voltage
Secondary protectors – low voltage
MDFB
DDCB
DDSS
Console
HESB
POW DTR DSR
BATI
Console Handset
PC
Attendant
Console
DDCB
MDFB
Earth Ground
Earth Ground
GSTUIA
GMAU2A
6687
GMAU2A
GCDU2A
GMAU2A
GCDU2A
CIX 40
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