Simple Key Loader (J17); Antenna Handover (J18); Table 4-6. Ds-101 Simple Key Loader (J17); Table 4-7. Antenna Handover (J18) - Comtech EF Data DMD1050TS Installation And Operation Manual

4.5.9 DS-101 Simple Key Loader (J17)
The DMD1050TS Simple Key Loader (SKL) Interface J17 can be used to connect an SKL
AN/PYQ-10 Electronic Key Management System (EKMS) key management device.
The physical interface is a 3-Pin Male Header Mfg (FCI) P/N: 68771-203HLF.
Pin No.
1
2
3
4.5.10

Antenna Handover (J18)

Future Option
The physical interface is a 3-Pin Male Header Mfg (FCI) P/N: 68771-203HLF.
Pin No.
1
2
3
Rear Panel Interface

Table 4-6. DS-101 Simple Key Loader (J17)

Signal Name
Data I/O (+)
(Balanced Differential input or output
analog interface)
Ground
Data I/O (-)
(Balanced Differential input or output
analog interface)

Table 4-7. Antenna Handover (J18)

Signal Name
Antenna Handover Control A
Ground
Antenna Handover Control A
DMD1050TS Satellite Modem Board
Signal
KEYLOAD_A
---
KEYLOAD_B
Signal
ANT_HOC_A
---
ANT_HOC_B
4–9
Revision 1
Direction
Input / Output
Input:
(Per EIA-485 Specification)
Sensitivity: VThH =-1.6V,
VThL =+1.6V,
Min. Input Resistance
1.73K
Output:
(Per EIA-485 Specification)
VOUT = +(1.5V to 5.0V)
with 54 ohm load
---
Same as Pin 1
Direction
Input
Input: Voltage and levels
per EIA-422 Specification.
---
Same as Pin 1
MN-DMD1050TS