RAD Data comm ASM-20 operation manual Digital Interface Diagnostics, Timing Elements

ASM-20Installation and Operation Manual Chapter 1. Introduction

Digital Interface

Diagnostics

(Complies with the V.54 Standard)

Timing Elements

Type	∙ V.24/RS-232 via 25-pin D-type, (up to 64 kbps
	only), female connector
	∙ V.35 via 34-pin female connector
	∙ X.21 via 15-pin D-type female connector
	∙ RS-530 (RS-422) via 25-pin D-type female
	connector
	∙ V.36 (RS-449) via 37-pin female connector
	using mechanical cable adapter provided with
	the product
	∙ G.703 Codirectional (64 kbps) via terminal
	block or RJ-45
	∙ Built-in Ethernet bridge via RJ-45 connector or
	BNC
Data Rates - selectable	Sync:
	19.2, 32, 48, 56, 64, 72, 96, 112, 128, 144, 192,
	256 kbps
	Async:
	19.2, 28.8, 38.4, 57.6, 115.2 kbps
RTS/CTS Delay	Switch selectable to:
	- 0 ms
	- 9 ms
	- 70 ms
Length of Word	8, 9, 10, 11
Stop Bits	1, 1.5, 2
Digital Loopback	∙ Local (DIG), activated by a manual switch
	∙ Remote (REM), activated by a manual switch
	or by a control signal from the DTE interface
	connector
Analog Loopback	Local (ANA), activated by a manual switch or by a
	control signal from the DTE interface connector
Pattern	Test pattern activated by manual switch
Receive Clock	Derived from the receive signal
Transmit Clock	Derived from 3 alternative sources:
	∙ Internal oscillator
	∙ External from the DTE
	∙ Loop clock derived from the receive signal

Technical Specifications 1-7