List of Contents
2.1
Introduction ............................................................... 2-2
2.1.1
Read This First! ............................................................ 2-2
2.1.2
General ...................................................................... 2-2
2.1.3
2.1.3.1
Power Supplies .......................................................... 2-2
2.1.3.2
Environment ............................................................... 2-2
2.1.4
2.1.4.1
EN 55022 ..................................................................... 2-2
2.1.4.2
FCC ............................................................................. 2-2
2.2
2.2.1
2.2.2
2.3
2.3.1
Unpacking .................................................................. 2-3
2.3.2
Inventory ..................................................................... 2-4
2.4
2.4.1
2.4.2
Cable Routing ........................................................... 2-5
2.4.3
2.4.4
Ventilation .................................................................. 2-5
2.5
2.5.1
Power Cables ............................................................ 2-6
2.5.2
AC Power ................................................................... 2-7
2.5.2.1
power Supply ............................................................. 2-7
2.5.2.2
General ...................................................................... 2-7
2.5.2.3
2.6
2.6.1
2.6.2
2.6.3
2.6.4
2.6.5
Redundancy ............................................................ 2-11
SBD75e Series Modulator Installation and Operation Manual
CHAPTER 2:
2.6.6
2.6.7
2.6.8
2.6.9
2.6.10
2.7
Performance ............................................................ 2-13
2.7.1
2.7.2
Choice of FEC .......................................................... 2-14
2.7.3
Pilots Insertion ........................................................... 2-15
List of Figures
Figure 2.1: Rack Mount Support Kit ............................................ 2-5
Figure 2.2: Air Path Through the Enclosure ................................ 2-6
Figure 2.3: Location of AC power connector .......................... 2-7
Figure 2.4: Location of Technical Earth ..................................... 2-8
List of Tables
Table 2.1: SBM75e Modulator Rack Mounting Support Kits .... 2-4
Table 2.2: Supply Cable Wiring Colours ..................................... 2-8
Table 2.3: Non Standard Supply Cord Wire Colours ................ 2-8
Table 2.4: M&C Connector RS232 .............................................. 2-9
Table 2.5: M&C Connector - RS485 ........................................... 2-9
Table 2.6: M&C Connector - 10/100BaseT Ethernet .............. 2-10
Table 2.8: Alarm Connector Pin-outs ....................................... 2-10
Table 2.9: RF (L-Band) Output Connector ............................... 2-12
Table 2.10: ASI Input Connector ............................................... 2-12
Table 2.11: 1PPS Input Connector ........................................... 2-13
Table 2.12: Ext Ref In Connector............................................... 2-13
Table 2.13: 70/140 MHz (IF) Output Connector ...................... 2-13
Table 2.14: FEC/Mode/Rate Configuration Values ............... 2-15
Installation
2-1