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28 Installing a stand-alone AEM
553-3201-200 Standard 1.0 April 1993
ST system with QCA136 and QCA137 cabinets
Use this procedure to configure and connect the NT8D22 system monitor in
an AEM column that is connected to a Meridian SL-1 ST equipped with
QCA136 and QCA137 cabinets. Refer to Figure 15 during this procedure.
Note: If you are not making alarm connections to the MDF, skip steps
3 through 6 and directly install connector P1 of the NT8D46BE cable
into connector J3 of the system monitor.
Procedure 5xxx
ST system with QCA137 cabinet connections
1
Loosen the two retaining screws on the system monitor in the pedestal
of the AEM column and remove it from the PDU.
2
Configure the system monitor as the master as shown in Table 6. (See
Circuit card installation and testing (553-3001-211) for a detailed
description of the option switch settings.)
Table 6xxx
NT8D22 switch settings (set as master) for operation with ST
Switch
1
SW1
on
SW2
on
SW3
on
* Set to off for ac power. Set to on for dc power.
3
Reinstall the system monitor in the PDU.
4
Install connector P1 of the NT8D46BF cable into connector J3 of the
system monitor.
5
Install connector P1 of the NT8D46BE cable into connector J1 of the
NT8D46BF cable.
6
Install connector P1 of the NT8D46BH cable into connector J2 of the
NT8D46BF cable.
7
Connect the other end of the NT8D46BH cable at the alarm termination
area on the MDF.
8
Power down the QCA136 cabinet.
2
3
4
off
*
off
on
on
on
on
on
on
5
6
7
on
on
on
on
on
on
8
on
on
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