User's Manual

Table Of Contents
CMA-331-AEN Page 172
Draft
Headend Unit (HEU) (continued)
PSM-AC
Power Input:
100-220 V AC
Power Rating:
300 W
HEU Power
Consumption
(Full Chassis):
200 W
ON/Off Switch
Optional:
Additional PSM-AC for redundancy
PSM-DC
Power Input: 48 V DC; 9 A Max.
Power Rating: 300 W
HEU Power
Consumption
(Full Chassis):
200 W
Connector: Six pin terminal block connector
Optional: Additional PSM for redundancy
Physical
Characteristics
(Chassis +
Modules)
Mounting: Rack-mount 19 in and 4U
Dimensions
(H x W x D):
7 x 17.3 x 18.95 in (177.8 x 440 x 481.7 mm)
Weight: Chassis: 37 lbs (16.8 kg)
Per RIM: 1.9 lbs (0.9 kg)
Per RIX: 1.54 lbs (0.7 kg)
HCM: 2.2 lbs (1.0 kg)
PSM: 1.98 lbs (0.9 kg)
Optical Interface Unit (OIU)
OIU will host the following modules:
10. OIM - Optical Interface Modules; converts the RF to three optical links
11. OIX - Optical Interface Expander; OIU to HEU interface module
Note: For configurations with one OIX an ETM is required for terminating the
unused Expander slot.
12. ACM - Auxiliary Control Module; manages unit domestic modules, "Slave"
controller to the HCM
13. PSM - Power Supply Module; AC or DC power supply
OIM
Interfaces:
Optical Interface: One Female MTP
®
Connector
Six Kenpole connector for 1:1 direct signal
transportation, three UL and three for DL
OIX
RF interfaces: Two 9-pin connectors