RAD ASMi-52L Ethernet Modem


• Dedicated managed SHDSL modem
• 2-wire and 4-wire service over any copper infrastructure
• TC-PAM line coding for extended operation range
   of up to 10 km (6.2 miles) on 24 AWG
• Data rates between 64 kbps and 4608 kbps
• Four levels of QoS based on four VLAN priority queues (Ethernet units only)

Dedicated managed SHDSL modem for 2-wire and 4-wire service over any copper infrastructure

ASMi-52L is an SHDSL modem that operates in full-duplex mode over 2-wire and 4-wire lines.
Multiple data rates in the range of 64 to 4608 kbps are supported. Data rates depend on the line interface, DTE interface types, and operating clock modes. ASMi-52L employs standard SHDSL TCPAM technology to extend the transmission range (see Table 1) and
enable carriers to reach more customers at lower costs.
User interfaces include X.21 and V.35 DTEs, and E1 interface. For LAN-to-LAN connectivity using SHDSL technology, the modem features a built-in 10/100BaseT bridge with one Ethernet port and VLAN support or a 10/100BaseT switch with four Ethernet ports and VLAN ID transparent and VLAN priority support.
ASMi-52L is available as standalone plastic enclosure or metal rail-mount enclosure with extended temperature support
(4ETH service only). Full management and monitoring of the remote unit is achieved by using an Embedded Operation Channel (EOC). The management channel uses SHDSL overhead bits in compliance with ITU-T G.991.2 requirements, operating without
interfering with the data transmission. Management of Ethernet units is performed via the data port.
ASMi-52L units can operate opposite a centrally located LRS-24 rack with ASMi-52CQ cards installed (see Figure 1). VLAN priority enables up to four QoS priority levels (for Ethernet units only).
Up to eight SHDSL repeaters can be installed in line to increase the operation range of the modem. ASMi-52L provides
basic management of the repeaters. Supervision and configuration activities are performed using an ASCII terminal, IP hosts using the Telnet protocol, or RADview-EMS (Java-based modular client-server scalable element management system) providing secure
configuration and fault management capabilities. The terminal port supports a dial-up modem connection for remote management of ASMi-52L over telephone lines. A modem with a 4-wire line interface can be configured to operate over 2-wire lines.
Comprehensive diagnostic capabilities
• Real-time alarms to alert the user on fault conditions (reported by the management station)
• V.54 local analog and remote digital loopbacks
• SHDSL statistics collection for 15-minute and 24-hour intervals. Automatic configuration allows the current configuration to be uploaded and downloaded from a configuration file.

3175_Specs P3_Range


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3175 Specs P1

3175 Specs P2



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