User's Manual

Installing the iRM4451nn00-2
6-12 iRM4451nn00-2 iRRH Product Description and Installation Guide
self-fusing tape (refer to Required tools on page 4-1) as shown in Figure 6-8, or
according to local practice.
NOTE
To ensure a weather-tight connection, be sure to wrap the entire connection with
self-fusing tape. Refer to the recommended taping procedure in Section 6.12.


TIP: It can be hard to remove the self-fusing tape from the connection after it
has weathered over time. So as an alternative, some Installers prefer to use
electrical tape, such as Scotch Super 33+ (or equivalent), when wrapping the
first layer around the cable and connection.
Figure 6-8 Weatherproofing connections using self-fusing tape
6.13 Checking power
This section provides the procedure for verifying power to the iRM4451nn00-2 is
connected correctly and operating normally.
NOTE
After applying –48 V dc power and verifying that the iRM4451nn00-2 is
functioning properly, leave power to the unit ON.
To check power to the macro iRRU:
1. Switch ON the breaker (or insert the appropriate size and type of fuse) to provide
power to the iRM4451nn00-2 iRRH.
2. Verify that the iRM4451nn00-2 powers up as indicated by the LEDs on the side of
the iRM4451nn00-2 lighting in the boot sequence provided in
Table 3-6.
3. Leave power to the iRM4451nn00-2 ON.