Constellation™
2002 June 20
4-16
Located at the top left side of the radio (
), this 50-pin D connector
) is available for customer-configured alarms. The SPU Controller
provides 8 opto-isolated alarm inputs. The system provides 8 dry-contact,
relay outputs as defined in
. Input level of alarm input shall be open
or ground. The Service Channel provides the Callout outputs.
the relay specifications.
Figure 4-11: Constellation backplane (top left)
Table 4-10: Relay specifications
Characteristic
Value
Nominal switching capacity (resistive)
2 A, 60 Vdc
Max. switching power (resistive)
60 W
Max. switching voltage
220 Vdc
Max. switching current
2 A
Min. switching capability
10
µ
A, 10 mV dc
BAT A BAT B RET
24/48VDC
HARRIS Constellation Backplane
TO FUSE PANEL
ALARM I/O
Filter
Filter
Filter
Filter
26
1
25
50
External
alarm/control
connector
J1
J2
Содержание Constellation
Страница 1: ...Point to Point Digital Radio Constellation Installation Maintenance next level solutions ...
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Страница 3: ...Constellation Microwave Radio INSTALLATION AND MAINTENANCE MANUAL June 20 2002 IMN 112871 E07 ...
Страница 16: ...Constellation 2002 June 20 TOC 12 ...
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Страница 100: ...Constellation 2002 June 20 6 12 NETWORK MANAGEMENT For NEWORK MANGEMENT configuration refer to Chapter 8 ...
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Страница 248: ...Constellation 2002 June 20 G 6 ...
Страница 262: ...Constellation 2002 June 20 I 14 ...
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