SM500A—Automatic Switching System
Black Box Corporation
27
990-000-0001-E8
7.
Toggle the channel switches in that particular chassis. Each channel should switch to
the required position, and the LEDs should provide a visual indication of the
switched position.
8.
Toggle the GANG switch to the A or B position. All channels within the chassis
should switch to the required position.
9.
Push the SYSTEM GANG button and toggle the GANG switch simultaneously to the
A or B position. All chassis within the system should switch to the A or B position.
10.
Reinsert keys into all chassis and turn each one to the Enable position. For each
chassis, perform the following steps:
(a) Toggle the channel switches. Each channel should switch to the required position,
and the LEDs should provide a visual indication of the switched position.
(b) Toggle the Gang Switch. All channels within the chassis should switch to the A
or B position.
11.
Connect all interface cables to the system.
Figure 3.4. System gang connection. Power Supply/Control Card SM531-C shown. Applicable also to
Power Supply/Control Card SM532-C. GANG OUT/GANG IN cables used are EL04M-04 or EL04M-
14. For optional remote control, see figure 3.5 for pin configuration of cable requirements.