Operating instructions

RCS20 M:N Redundancy Switch Technical Specifiations
TM056 - Rev. 2.3 7-1
Section 7 – Technical Specifications
7.0 Introduction
This section defines the technical performance parameters and specifications for the
RCS20 M:N Redundancy Switch.
7.1 General Specifications
Configurable For: 1:9, 2:8, 1:4/1:4, 1:2/1:6, 1:3/1:5
Online Modulators: 1 to 9
Online Demodulators: 1 to 9
Backup Modulators: 1 to 2
Backup Demodulators: 1 to 2
Uplink Transponders: 1 to 9
Downlink Transponders: 1 to 9
Modes of Operation: Manual, Automatic, Automatic Revertive and Preemptive
Modulator Switch Time: 250 msec maximum (hot standby), 2.00 sec max (no hot
standby)
Demodulator Switch Time: 250 msec max (hot standby), 2.00 sec max + demod lock
time (no hot standby)
Modulator Switch Delay Time: 0.0 sec to 299.9 sec, 0.1 sec steps
Demodulator Switch Delay Time: 0.0 sec to 299.9 sec, 0.1 sec steps
IF Switching: Coaxial, 75O, (50O optional), 20 dB return loss
Tx Insertion Loss - 1 dB Nominal
Rx Insertion Loss - 3.5 dB Nominal
7.2 Monitor and Control
Terrestrial Interfaces
Universal I/O (UIO): User-Selectable RS422/449, G.703, V.35, E1 (G.703), E2
(G.703), T1 and T2
The specifications for the interfaces available on the UIO are as follows:
T1: 1.544 Mbps 100O balanced or 75O unbalanced AMI and
B8ZS Line Codes
E1: 2.048 Mbps, 120O balanced, or 75O unbalanced HDB3
Line Code.
T2: 6.312 Mbps, 110O balanced, B6ZS Line Code or 75O
unbalanced
E2: 8.448 Mbps, 75O BNC unbalanced HDB3 Line Code
ITU V.35: Differential, Clock and Data Only
RS-422/-449: All Data Rates, Differential, Clock/Data, DCE
7.3 Options
Clock Distribution Modules, for External Clock.
Cable Sets for DMD15, DMD2400, DVB3000.
ESC Cable Sets
Ethernet Module