10 online telemetry, 1 specifications, 2 theory of operation – Comtech EF Data SMS-758 User Manual
Page 110

Theory of Operation
SMS-758 Modem Protection Switch
4–50
MN/SMS758 Rev. 3
4.10 Online Telemetry
The online telemetry (Figure 4-22) is a 10.5” x 3.5” module that fits in slot 6 of the upper
front section of the switch chassis. It reports the online status of each prime modulator
and demodulator. Refer to Figure 4-23 for a block diagram of the online telemetry
module.
4.10.1 Specifications
Number of Channels
8 modulator and 8 demodulator.
Switching Format
Form C contacts.
4.10.2 Theory of Operation
The M&C controls the online telemetry module through the address decoder/driver with
an 8-bit data bus and 2 device select lines. Sixteen SPDT relays (Form C) can be
switched to indicate the online status of eight prime modulators and eight prime
demodulators.
See also other documents in the category Comtech EF Data Equipment:
- CDD-880 (124 pages)
- CDM-800 (130 pages)
- ODMR-840 (184 pages)
- CDM-750 (302 pages)
- CDM-840 (244 pages)
- SLM-5650A (420 pages)
- CTOG-250 (236 pages)
- CDM-700 (256 pages)
- CDM-760 (416 pages)
- CDM-710G (246 pages)
- CDM-600/600L (278 pages)
- CDMR-570L (512 pages)
- CDM-625 (684 pages)
- CDM-625A (756 pages)
- CDD-564A (240 pages)
- CDD-564L (254 pages)
- CLO-10 (134 pages)
- MCED-100 (96 pages)
- CDMR-570AL (618 pages)
- CDM-600 LDPC (2 pages)
- BUC Power Supply Ground Cable (2 pages)
- MPP70 Hardware Kit for CDM-570L (4 pages)
- MPP50 Hardware Kit for CDM-570L (4 pages)
- CDM-625 DC-AC Conversion (4 pages)
- CDM-625 DC-AC Conversion with IP Packet Processor (4 pages)
- DMDVR20 LBST Rev 1.1 (117 pages)
- DMD-2050 (342 pages)
- DMD2050E (212 pages)
- DMD1050 (188 pages)
- OM20 (220 pages)
- QAM256 (87 pages)
- DD240XR Rev Е (121 pages)
- MM200 ASI Field (5 pages)
- DM240-DVB (196 pages)
- MM200 (192 pages)
- CRS-150 (78 pages)
- CRS-280L (64 pages)
- CRS-170A (172 pages)
- CRS-180 (136 pages)
- SMS-301 (124 pages)
- CiM-25/8000 (186 pages)
- CiM-25 (26 pages)
- CRS-500 (218 pages)
- CRS-311 (196 pages)
- CIC-20 LVDS to HSSI (26 pages)