User's Manual
Eclipse2 Technical Manual, 3-Aug-12 Page 9 of 17
Pin No. Description Specification
1, 14 Power supply, positive Input: +13.8VDC
(minimum 10.8V, maximum 16V)
13,25 Power supply, negative Input: Ground
2 System serial bus, Data out Output: +3.3V TTL logic
15 System serial bus, Clock Output: +3.3V TTL logic
3 Exciter PTT input
Input: Low active level
≤
+2.5V)
16 Receiver COS output Output: open collector, Imax = 100mA
4 AUX+ audio input Input: balanced or unbalanced,
100kohm, DC to 3000Hz
17 AUX- audio input Input: balanced or reference voltage
100kohm, DC to 3000Hz
5 AUX+ audio output Output: unbalanced low impedance, DC to 3000Hz
18 AUX- audio output Audio signal ground
6 Line input + Input: balanced 600ohm,
300 to 3000Hz, -20dbm to +10dbm
19 Line input - Input: balanced 600ohm,
300 to 3000Hz, -20dbm to +10dbm
7 Line output + Output: balanced 600ohm,
300 to 3000Hz, -20dbm to +10dbm
20 Line output - Output: balanced 600ohm,
300 to 3000Hz, -20dbm to +10dbm
8 GPS 1 pulse/sec input Input: +3.3V to +15V TTL logic
21 Monitor speaker output Output: unbalanced 8 ohm
300 to 3000Hz, 3 Watt maximum
9 System serial bus, Data in Input: +3.3V TTL logic
22 System serial bus, CS0 Output: +3.3V TTL logic
10 System serial bus, CS1 Output: +3.3V TTL logic
23 T/R relay output Output: open collector, Imax = 100mA
11 External squelch input
Input: Low active (Vin
≤
+2.5V)
24 Spare GPIO input
Input: Low active level
≤
+2.5V)
12 Spare GPIO output Output: open collector, Imax = 100mA
Table1: 25 Pin System I/O Connector signals
4 Wire E&M Port
This RJ45 connector provides easy connection to the equipment such as microwave links, the signal
of
the E/M line connector described in table2.
Pin No. Description Specification
1 E+ Input: 10V to 48V
2 E- Input: 10V to 48V
3 Line out + Output: balanced 600ohm,
300 to 3000Hz, -20dbm to +10dbm
4 Line out - Output: balanced 600ohm,
300 to 3000Hz, -20dbm to +10dbm
5 Line in + Input: balanced 600ohm,
300 to 3000Hz, -20dbm to +10dbm
6 Line in - Input: balanced 600ohm,
300 to 3000Hz, -20dbm to +10dbm
7 M+ Output: sink current 150mA
8 M- Output: sink current 150mA
Table2: RJ45 E/M Line Connector signals