RAD Data comm LRS-24 - Manual (Page 27)

LRS-24 Installation and Operation Manual Chapter 1 Introduction
Technical Specifications 1-15
External Clock Interface
T1 Mode
Type T1
Clock Rate 1.544 MHz
Line Interface 100Ω Ω Ω Ω, balanced
Line Code Bipolar AMI
Receive Level 0 through -10 dB
Transmit Level ±3V ±10%, balanced
E1 Mode Type E1
Bit Rate 2.048 MHz
Line Interface 120Ω, balanced
75Ω, unbalanced
Line Code AMI
Receive Level 0 through -10 dB
Transmit Level ±3V ±10%, balanced
±2.73V ±10%, unbalanced
Square Minimum 2.2V peak-to-peak amplitude
CM-1 Management Interface
Functionality Transparent interfacing to internal management ports of
I/O modules
Hardware RS-232 asynchronous port, compatible with
VT-52, VT-100, FREEDOM-100, FREEDOM-110,
FREEDOM-220
Data rates up to 9.6 kbps
Word format: software-configurable
Software Terminal driven by software stored in each I/O module
CM-2 Management Interface
Functionality Terminal management interface
SNMP agent with internal bridge/router and ARP server
for internal modules
Protocol conversion between internal management
protocols of I/O modules and external management
function
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