229
Spectracom NETCLOCK Set Up
Figure 43: Two System Channels
Program Channels A and B as custom channels. When asked for the custom tone or
current, specify the desired value. Generally, Channel A will have an “F1” tone (1950 Hz)
or current (+5 mA), and Channel B will have an “F2” tone (1850 Hz) or current (+12.5
mA) upon transmit only.
Spectracom NETCLOCK Set Up
The Spectracom NETCLOCK may be used as an input to the Model 4048 and Model 4020
for the time-of-day clock. The NETCLOCK connects through the Clock Service Port. The
Clock Service Port connections are described in
The NETCLOCK supported baud rates are described in
Configuring the System Traffic
The NETCLOCK must be configured for Format 1 operation.
The Model 4048 and Model 4020 will automatically detect the NETCLOCK.
Base Station
Dual Channel Card
2 Freq
Xmitter
1
st
Rcver
2
nd
Rcver
2-Wire Tx/Rx
4-Wire Rx
Channel B (RX #2)
Busy Output
Busy/Mute Input
2-Wire Tx/Rx
Channel A (RX #1)
4-Wire Rx
NC
Channel B Configuration:
2-Wire Termination = low impedance
Config Switch 3 (x-mute) = on
Channel A Configuration:
2-Wire Termination = high impedance
Config Switch 7 (x-mute) = on
Busy Output
Busy/Mute Input
Note
In the above configuration the 2-wire Rx should be turned down
(CCW), so that RX #1 is not heard.
Содержание 4000 Series
Страница 1: ...Series 4000 Communication Control System Installation and Configuration 025 9533Y...
Страница 6: ...6 025 9533Y...
Страница 28: ...Introduction 28 025 9533Y...
Страница 88: ...Common Control Equipment Installation 88 025 9533Y Figure 22 Console Duplex Wall Jacks...
Страница 110: ...Common Control Equipment Installation 110 025 9533Y...
Страница 172: ...Console Installation 172 025 9533Y...
Страница 192: ...Audio Level Adjustments 192 025 9533Y...
Страница 230: ...Accessory Installation 230 025 9533Y...
Страница 236: ...Console ANI Programming 236 025 9533Y...
Страница 339: ...339 RSMP Operation Figure 99 Main Screen...
Страница 350: ...Radio System Management Program 350 025 9533Y...
Страница 362: ...Appendix B Troubleshooting 362 025 9533Y...
Страница 417: ...417 Index wiring accessories 164 wall jack 86 wiring diagram for M4219 244 X XMT button labels 332 XP settings 247...
Страница 418: ...Index 418 025 9533Y...