Comtech EF Data SMS-7000 - Manual (Page 42)

Installation SMS-7000 Modem Protection Switch
2–8 Rev. 3
2.3.2 Installation
2.3.2.1 Switch Control Unit
The Switch Control Unit (SCU) arrives fully assembled from the factory. After
unpacking the switch, install the switch control unit into the equipment rack and secure
with customer-furnished hardware.
2.3.2.2 Top Mount Installation
The Top Mount Hardware Kit (KT/5275) is for fixed-mounting the Data Switch Unit
(DSU) and Intermediate Frequency Switch Unit (IFU) to a standard equipment rack rails.
Kit components are listed in Section 2.2.
Although top mounting can be employed wherever there is clearance within the rack, it
provides a convenient external rack interface for both terrestrial data and IF signals that
are routed from the ceiling.
Assemble the DSU and IFU as shown in Figure 2-1 and as follows:
1. Install Bracket (FP/5272) on the IFU and secure with 6 screws and flat washers.
2. Install Bracket (FP/5273) onto the DSU and secure with 8 screws and flat
washers.
3. Position unit into the rack and secure with customer-furnished hardware.