Operating instructions

RCS20 M:N Redundancy Switch Appendix A
TM056 – Rev. 2.3 A-7
<1>
<1>
<1>
<1>
<1>
<1>
Latched Switch
Minor Alarms 1
Latched Switch
Minor Alarms 2
Backup 1 Mod
Hot Standby
Channel
Backup 1 Demod
Hot Standby
Channel
Backup 2 Mod
Hot Standby
Channel
Backup 2 Demod
Hot Standby
Channel
(0 = no alarm, 1 = alarm)
Bit 0 = Power Supply #1 Present
Bit 1 = Power Supply #1 Voltage
Bit 2 = Power Supply #2 Present
Bit 3 = Power Supply #2 Voltage
Bit 4 = Communications Error
Bit 5 = Faulted Prime Modem
Bit 6 = Faulted Backup Modem
Bit 7 = Modem Configuration Change
(0 = mask, 1 = allow)
Bit 0 = CDM Error
Bits 1 - 7: Reserved for future expansion
(0 = no alarm, 1 = alarm)
Channel number (1 to 9)
0 = No hot standby for backup 1 mod
Channel number (1 to 9)
0 = No hot standby for backup 1 Demod
Channel number (1 to 8)
0 = No hot standby for backup 2 mod, or channel 9 not
configured as backup
Channel number (1 to 8)
0 = No hot standby for backup 1 Demod, or Channel 9 not
configured as backup
Opcode: <2003h> Query RCS20 Switch Modem Addresses
Query Response
<1>
<1>
Number of
Channels
*Modem Address
Maximum number of prime and backup channels available to
the RCS20 switch. 10 decimal for RCS20.
Modem remote address for channel 0.
* Note: This 1 byte repeats for channels 1 - 9 (uses 9
additional bytes). If a channel is not configured, then
address 0 decimal is returned.
Opcode: <2004h> Query RCS20 Backup Mode
Query Response
<1> Maximum
Number of
Backup
Channels
2 for RCS20