Environmental and electrical characteristics
MPR-e and MSS-1c User Manual 3DB19901EFAA Edition 01 117
3.7.10 — MPR-E: Maximum allowed cable lengths for MPT
Power Unit
1. Equipped with SFP
3.7.11 — MPR-A: Maximum allowed cable lengths for MPT
Power Unit
Operating Temperature
(Guaranteed)
-40° to +65° C
Start up temperature from low
temperature
-40° C
Humidity
(Guaranteed)
0 to 95%
Table 3.17 — MPT Power Unit general characteristics
Table 3.18 — Maximum allowed cable lengths for MPT Power Unit (MPR-E)
Cable type Coaxial cable
1AC001100022
Power only, Data
optical cable
Coaxial cable
1AC041350001
Power only, data
optical cable
Configuration Required power Maximum length Maximum length
MPT-HC 40 W 510 m 230 m
MPT-HC with XPIC
1
48 W 435 m 200 m
MPT-HC-HQAM
1
39.5 W 550 m 255 m
MTP-HC-HQAM with XPIC
1
40.5 W 535 m 245 m
Constraint 1 Maximum current in the Ethernet transformer < 1.8 A
Maximum current limit for the Power Unit: 1.8 A
Constraint 2 Minimum MPT-HC/HC-HQAM PSU input voltage > 28 V
Constraint 3 Data traffic only with optical cable