
AMT-70/AMT-73/AMT-75 Installation and Operation
8.10
RS-485 Connector Pin-Outs
The figure below,
lists the pin-outs of the 9-pin D connector (P8 for AMT-70; J13 for AMT-73L):
Figure 53: RS-485 Connectors Pin-Outs
DB-9 Pin
Number
AMT70
AMT73L
Pin 1
Signal Ground
RS-485 TX +
Pin 2
Power Detector -
Signal Ground
Pin 3
Not Used
Signal Ground
Pin 4
RS-485 TX -
Signal Ground
Pin 5
RS-485 TX +
Signal Ground
Pin 6
Power de
RS-485 TX -
Pin 7
Not Used
Signal Ground
Pin 8
***
RS-485 RX +
RS-485 RX +
Pin 9***
RS-485 RX -
RS-485 RX -
*** For AMT70/73L Pins 8 and 9 are for 2-wire operation. Pins 4, 5, 8, and 9 are for 4-wire
operation.
8.11
EIA/TIA-449 AMT-73L Connector Pin-Outs
The figure below,
lists the pin-outs of the 37-pin D connector (labeled J8 on AMT-73L) on the rear
panel.
Figure 54: EIA/TIA-449 Connector Pin-Outs
PIN NUMBER
SIGNAL NAME
COMMENT ( Signal Direction )
4
SD A
Send Data + to DCE ( Modem )
22
Send Data - to DCE ( Modem )
SD B
6
RD A
Receive Data + from Modem
24
RD B
Receive Data - from Modem
7
RTS A
Request To Send + to Modem
25
RTS B
Request To Send - to Modem
9
CTS A
Clear To Send + from Modem
27
CTS B
Clear To Send - from Modem
11
DSR A
DSR + means ( from ) Modem is Ready
29
DSR B
DSR - means ( from ) Modem is Ready
12
DTR A
Data Term Ready + to Modem
30
DTR B
Data Term Ready - to Modem
13
Recvd Line Signal Det
From Simple Interface
31
Recvd Line Signal Det
From Simple Interface
17
TT A
Transmit from Terminal to Modem
35
TT B
Transmit Timing - from Terminal to Modem
5
ST A
Send from Modem to Terminal
23
ST B
Send Timing - from Modem to Terminal
8
112
RT A
Receive from Modem to Terminal
26
RT B
Receive Timing - from Modem to Terminal
10
LL
Local LoopBack from Terminal to Modem
1
GND ( Shield )
Shield is connect to Chassis GND
19
GND ( Shield )
Shield is connect to Chassis GND
37 SC
Send
Common
20 RC
Receive
Common
33 SQ
Signal
Quality
Содержание AMT-70
Страница 34: ...AMT 70 AMT 73 AMT 75 Installation and Operation 34 This page has been left intentionally blank...
Страница 35: ...AMT 70 AMT 73 AMT 75 Installation and Operation 35 This page has been left intentionally blank...
Страница 36: ...AMT 70 AMT 73 AMT 75 Installation and Operation 36 This page has been left intentionally blank...
Страница 148: ...AMT 70 AMT 73 AMT 75 Installation and Operation 148 Figure 76 QPSK at 256kbps at 104dBm Hz Input Power...
Страница 149: ...AMT 70 AMT 73 AMT 75 Installation and Operation Figure 77 QPSK 3MBps at 104dBm Hz Input Power 149...
Страница 150: ...AMT 70 AMT 73 AMT 75 Installation and Operation 150 Figure 78 QPSK at 10Mbps at 104dBm Hz Input Power...
Страница 151: ...AMT 70 AMT 73 AMT 75 Installation and Operation Figure 79 QPSK at 35Mbps at 104dBm Hz Input Power 151...
Страница 152: ...AMT 70 AMT 73 AMT 75 Installation and Operation 152 Figure 80 8PSK at 150kbps at 104dBm Hz Input Power...
Страница 153: ...AMT 70 AMT 73 AMT 75 Installation and Operation Figure 81 8PSK at 400kbps at 104dBm Hz Input Power 153...
Страница 154: ...AMT 70 AMT 73 AMT 75 Installation and Operation Figure 82 8PSK at 16Mbps at 104dBm Hz Input Power 154...
Страница 155: ...AMT 70 AMT 73 AMT 75 Installation and Operation Figure 83 8PSK at 55Mbps at 104dBm Hz Input Power 155...
Страница 156: ...AMT 70 AMT 73 AMT 75 Installation and Operation 156 Figure 84 16QAM at 512kbps at 104dBm Hz Input Power...
Страница 157: ...AMT 70 AMT 73 AMT 75 Installation and Operation Figure 85 16QAM at 6Mbps at 104dBm Hz Input Power 157...
Страница 158: ...AMT 70 AMT 73 AMT 75 Installation and Operation 158 Figure 86 16QAM at 20Mbps at 104dBm Hz Input Power...
Страница 159: ...AMT 70 AMT 73 AMT 75 Installation and Operation Figure 87 16QAM at 70Mbps at 104dBm Hz Input Power 159...