RAD Data comm ASM-10/8 User Manual
ASM-10/8 Installation and Operation Manual
Chapter 1. Introduction
09/10/00 16:26
Technical Specifications
1-9
1.4 Technical Specifications
Transmission
Line
Type
Unloaded twisted pair 19 to 26 AWG;
2-wire for half duplex; 4-wire for full
duplex
Connector
5-screw connector or RJ-45
Range
See Table 1-1
Level
0 dBm, -3 dBm, -6 dBm, -9 dBm
Transmit Impedance
150, 300, 600Ω, LOW, jumper-selectable
Receive Impedance
150, 300, 600Ω, HIGH, jumper-selectable
Return Loss
Greater than 15 dB
Carrier
Controlled by RTS or constantly ON
Modulation
Differential diphase (Eurocom Std. D1)
Digital Interface
Type
RS-232/V.24
Baud Rates (Sync and Async)
Selectable to:
1.2, 2.4, 3.6, 4.8, 7.2, 9.6, 14.4, 19.2 kbps
RTS/CTS Delay
Jumper-selectable to: 0, 8 or 64 msec
Connector
25-pin D-type female
V.54 Diagnostics
Digital Loopback
• Local (DIG), activated by a push button
• Remote (REM), activated by a push
• Remote (REM), activated by a push
button or by the DTE interface signal,
pin 21
Analog Loopback
Local (ANA), activated by a push button or
by the DTE interface signal, pin 18.
Timing Elements
Receive Clock
Derived from CDP Receive signal
Transmit Clock
Derived from the following alternative
sources:
• Internal
• External from the terminal, via pin 24
• Loop clock derived from the receive
• Internal
• External from the terminal, via pin 24
• Loop clock derived from the receive
signal looped back as a transmit clock
Indicators
TD (yellow)
Transmit Data
RD (yellow)
Receive Data
RTS (yellow)
Request to Send
DCD (yellow)
Data Carrier Detect
TEST (red)
Test
PWR (green)
Power
RPF (red)
Remote Power Fail (ASM-10/8/R only)