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Installation and Operation Manual Chapter 1 Introduction
ASMi-52 Ver. 2.5 Technical Specifications 1-13
• T1: 100Ω, balanced
Connector Type
• X.21: 15-pin, D-type, female
• V.35 – 34-pin, female
• RS-530 – 25-pin, D-type, female
• G.703/G.704 E1 – RJ-45, balanced or unbalanced (via
adapter cable)
• T1 – RJ-45
• IR-IP (IP router) – RJ-45
• Ethernet (10/100BaseT bridge with VLAN support) –
RJ-45
Management
Ports
V.24/RS-232
Control Port
Interface
V.24/RS-232 DTE
Connector
9-pin D-type, female
Format
Asynchronous
Baud Rate
9.6 to 115.2 kbps
Ethernet Port
Interface
10/100BaseT
Connector
RJ-45 shielded
Timing
Derived from three alternative sources:
• Internal oscillator
• External, from the attached DTE
• Receive, derived from the received signal
Diagnostics
Loopbacks
ITU V.54:
• Local analog loopback, activated via the management
software or by the DTE interface signal (V.35 and RS-
530 only)
• Remote digital loopback, activated via the
management software or by the DTE interface signal
(V.35 and RS-530 only)
• Remote loopback at the SHDSL repeater
Performance
Monitoring
• SHDSL statistics collection
• E1 with CRC-4 or T1 with ESF framing per ITU G.706
• E1 without CRC-4 or T1 with SF framing bipolar
violations (BPV)