EST LSS4 - 4 CLA MODULE

4CLA StyleD (ClassA) Module
System Installation
Table 2-7: 4CLA ClassA Card Specifications
Standby current 10 mA
Circuit trouble current 18 mA
Installationofa 4CLAonthe LSS4 Master Panel Assembly.
1. Removethe LSS4 front cover plate (6,5).
2. Removethe LSS4 master panel assembly fromtheenc losurc (4.21.
?. Plu_ the 4CLA(7) module intothe x'ertically oriented connectoron
the back lower edgeofthe LSS4 master panel assembly, nexttothe
power supply.
4. Securethe 4CLA boardtothe mountin_• frameiv ith mac hinc screw's
5. Reinstallthe LSS4 master panel assemblyinthe enclosure (2.4).
6. Re install the LSS 4 front cover plateon the LSS4 master panel(o .6).
Installationofa 4CLAona '4ZEXPor 8ZEXP Module
1. Removethe expansion frame(16) fromthe enclosure.
2. The 4ZEXPor 8ZEXP zone expansion module(st(lI or12) should
be installedon the frame. (See 4ZEXPor 8ZEXPins tall ation
instructions.)
3. PIu _• be 4CLA module(7) intothe vertically oriented connectoron
the back lower ed_eofthe 4ZEXPor8 ZEXP module(11or1 21.
4. Securethe boardtothe mountingframe with machine screws (31.
5. Install the expansion frameinthe enclosure with threadeds pacers
6. Install the front cover plate with machine screws( 10.6 .
LSS4 installation, Operation,and Maintenance Manual
2.19