
AMT-70/AMT-73/AMT-75 Installation and Operation
PIN NUMBER
SIGNAL NAME
COMMENT ( Signal Direction )
16
SR
Signal Freq Select
2
SI
Signal Rate Indicator
32 SS
Select
Standby
36 SB
Standby
Indicator
15 IC
Ring
Indicator
16
SF
Select Transmit Freq
14 RL
Remote
LoopBack
18 TM
Test
Indicator
8.12
RJ-45 RS232 Pin-Out (AMT-73L)
For units equipped with IP data routing, located at Port JA on the rear of the modem is an RJ-45
connector carrying RS-232 electrical signals. This port is used for controlling the router. The RJ-45
connector diagram is shown in Figure 50. The wiring is specified below. For more information
regarding control of the router, please refer to the router manual titled ‘Communication Processor’.
RJ-45 Pin Number
Description
1 CTS
2 DTR
3 TxD
4 GND
5 GND
6 RxD
7 DSR
8 RTS
8.13
SSPB/Modem Cabling Requirements
The table below
describes the cable assembly necessary to establish communications from the
AMT-70 modem and the AdvantechAMT SSPBs (BUC). The 9-pin D connector is a male and is not
supplied. The 17-pin circular connector is a female and is supplied with the SSPBs.
Figure 55: Cable pin-outs between AMT-70 and AdvantechAMT C & Ku band
9 PIN D CONNECTOR
17 PIN CIRCULAR CONNECTOR
SIGNAL DESCRIPTION
Pin 1
Pin M
Signal Ground
Pin 8
Pin D
RS485 (+)
Pin 9
Pin C
RS485 (-)
113
Summary of Contents for AMT-70
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