RAD Data comm ASMi-52 manual Technical Specifications

Chapter 1 Introduction Installation and Operation Manual

Internal oscillator – Serves as a source of internal clock for the ASMi-52 unit.

Modem glue logic module – Processes the data from/to the SHDSL interface module.

SHDSL line interface – Translates the received and transmitted data from the line to the DTE interface.

Power supply – Provides 2.5V, 3.3V, 5V and -5V to the ASMi-52 internal elements.

CPU – Controls the ASMi-52 operation.

10/100BaseT management port – Provides LAN connection to the SNMP management station or Telnet host.

LEDs and terminal interface – Provides modem status information via LED indicators on the front panel, and communicates with the supervisory terminal.

1.4Technical Specifications

Line Interface	Type
	Line Coding
	Range
	Impedance
	Connectors
	Standard
	E1 Jitter
	Performance
	Protection
DTE Interface	Data Rate

Coding

Line Impedance

2/4-wire unconditioned dedicated line (twisted pair)

TC-PAM

See Table 1-1

135Ω

•ASMi-52: RJ-45

•ASMi-52CD: Two RJ-45

ITU-T 991.2, ETSI 101 524

As per ITU G.823

ITU K.21, UL1950

Depends on the DTE/line interface type and clock mode (see Table 1-2and Table 1-3)

•2-wire (external clock): 64–2304 kbps,

2-wire (internal clock): 64–2048, 2304 kbps

•4-wire (external clock): 64–4608 kbps,

4-wire (internal clock): 64–4096, 4608 kbps

•ASMi-52CD/4W:

(external clock): 128-4608 kbps

(internal clock): 128-4096, 4608 kbps

•E1: HDB3

•T1: B8ZS or AMI

•E1: 120Ω, balanced

75Ω, unbalanced (via adapter cable)

1-12 Technical Specifications ASMi-52 Ver. 2.5