Ac Operation - Replace The Fuses; Figure 4-6. Replace The Ac Fuses - Comtech EF Data CDM-710 Installation And Operation Manual

CDM-710/L Broadcast Satellite Modem
Rear Panel Connectors
Product
CDM-710 LDPC+BCH 32APSK 8/9
(70/140 MHz) 28 Msps S2-TS 120 MHz
CDM-710L LDPC+BCH 32APSK 8/9
(L-Band) 28 Msps S2-TS 120 MHz
Item 2 – Press-fit Fuse Holder
Two 20mm Slo-blo type fuses are installed here for line and neutral fusing.
4.2.1.1 AC Operation – Replace the Fuses
As shown in Figure 4-5 (Item 2) and (Figure 4-6): The unit rear panel features a
fuse holder that is press-fit into the body of the IEC power module. The unit uses
two 20mm Slo-blo fuses – one each for line and neutral connections.
WARNING!
DISCONNECT THE POWER SUPPLY BEFORE PROCEEDING!
CAUTION
FOR CONTINUED OPERATOR SAFETY, ALWAYS REPLACE THE FUSES
WITH THE CORRECT TYPE AND RATING.
Do these steps to replace the AC fuses (Figure 4-6):
1. Unseat the fuse holder from the IEC power module.
a. Use the slot to pry the holder outward from the IEC power module.
b. Pull the holder straight out, and then swing the holder away from the
module.
Configuration Voltage
120V AC
230V AC
120V AC
230V AC

Figure 4-6. Replace the AC Fuses

4–7
MN/CDM710.IOM
Revision 12
Frequency Watts Amps
60 83.5 0.738
50 83.0 0.503
60 87.2 0.770
50 86.5 0.579
VA
89
116
93
133