RAD Data comm ASM-10/8 - Manual (Page 23)

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
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
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)