GTR 8000 Base Radio
Table 3-7
Transceiver Connections - Front (cont'd.)
XCVR Port / Type
Connects to This
Device/Port
Description
Channel Bank, RJ-45
Connection port when the base
radio is part of a conventional
circuit-based site, mixed mode
or digital only.
V.24 port
Digital Interface Unit,
ASTRO-TAC 3000
Comparator, MLC 8000,
or Conventional Channel
Interface GGM 8000,
RJ-45 port
V.24 interface connection port
for a conventional base radio.
Reference frequency input,
BNC*
Service monitor
Connection port to service
monitor for frequency
calibration.
* See
5.1.1 GTR 8000 Base Radio Time and Frequency Inputs, page 5-2
.
For information about conventional functions and topologies supported by the base radio/receiver, see
the
Conventional Operations
manual. Note that the base radio/receiver can be IP managed while using
the 2- or 4-wire/V.24 interface for channel traffic.
3.4.7.1 System Connector Ports (Conventional)
The system connector is a 50-pin Mini SCSI connector. It is used for the Wildcard inputs, outputs, and the analog
audio paths not routed to their own connector.
Table 3-8
50–Pin System Connector Pin-Outs (Conventional)
Pin #
Signal
Type
Function
Note
1
Aux In 2
Input
Main Standby - External
handshaking
Pull To Ground To Activate
2
Aux In 4
Input
Main Standby- Status of other
side
Pull To Ground To Activate
3
Aux In 6
Input
In-Cabinet Repeat*
Pull To Ground To Activate
4
Aux In 8
Input
Main Standby - Connectivity
other Station
Pull To Ground To Activate
5
Aux In 9 –
Input
Phone Patch - PL Strip
Opto-Isolated In - Current flow to
Activate
6
Aux In 10 –
Input
Phone Patch - Monitor
Opto-Isolated In - Current flow to
Activate
7
Aux In 11 –
Input
Opto-Isolated In - Current flow to
Activate
3-30
6871022P86-A - November 2012
Содержание GTR 8000
Страница 2: ......
Страница 4: ......
Страница 6: ......
Страница 14: ......
Страница 18: ......
Страница 22: ......
Страница 26: ......
Страница 60: ......
Страница 80: ...GTR 8000 Base Radio Figure 2 22 Base Radio Backplane Mounting Location 2 20 6871022P86 A November 2012 ...
Страница 177: ...5 8 1 3 VHF Tuning Procedure Figure 5 1 Preselector Tuning VHF 6871022P86 A November 2012 5 7 ...
Страница 181: ...5 8 2 3 UHF Tuning Procedure Figure 5 2 Preselect Tuning UHF 6871022P86 A November 2012 5 11 ...
Страница 230: ......
Страница 234: ......
Страница 244: ......
Страница 286: ......
Страница 300: ......
Страница 338: ......