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ASMi-53

The ASMi-53 SHDSL modem is a cost-effective device for extending V.35, E1 and mid-band Ethernet services over multi-pair bonded copper links. Ensuring reliable performance over poor quality or noisy lines, the ASMi-53 SHDSL.bis modem operates in full duplex mode over 2-wire or 4-wire lines, achieving variable data rates of up to 11.4 Mbps.

Currently available for limited release.

  • E1, V.35 and Fast Ethernet extension over multiple SHDSL.bis lines
  • Standards-compliant SHDSL (ITU-T G.991.2 and ETSI 101524)
  • Up to 11.4 Mbps over 4-wire
  • EFM (Ethernet in the First Mile) bonding per IEEE 802.3-2005; M-Pair bonding for HDLC per G.991.2
  • TC-PAM 16 or TC-PAM 32 line coding
  • Ethernet bridging
  • VLAN prioritisation and Ethernet QoS support
  • SHDSL EOC management channel (in-band)
  • Functions as CPE opposite central devices (LRS-102/Megaplex-4100)

The device can extend the service range up to 2.6 km (1.825 miles) for each 5.7 Mbps pair at 26 AWG. The ASMi-53 is part of the AXCESS+ portfolio of multiservice access and First Mile solutions, offering an ideal solution for carriers, service providers and mobile operators, as well as corporate, utilities and transportation companies looking for economical delivery of voice and broadband data traffic in point-topoint or hub and spoke communications.

Ethernet capabilities and QoS support

Featuring a built-in Ethernet switch, the ASMi-53 SHDSL.bis modem includes a 10/100BaseT user port and supports VLANaware and VLAN-unaware bridging. VLAN stacking (Q-in-Q) and stripping functionalities enable transparent traffic delivery over packet switched networks with optimal efficiency. QoS (quality of service) levels are defined according to VLAN priority (802.1p), DSCP, or per port, offering users flexibility in differentiating traffic handling depending on application requirements. Up to four priority queues are supported using Strict Priority (SP) scheduling.

Fault propagation enables the unit to shut down the Ethernet user port when an SHDSL line failure is detected and to switch traffic to an alternate route. EFM bonding capabilities ensure that a failure or addition of a link does not drop the traffic being transmitted over the other wires in the group. Capacity is also maintained when a new link is added at a lower rate during Ethernet transmission.

Management options

The ASMi-53 can be managed inband via the SHDSL channel (Ethernet over copper) for configuration, monitoring and diagnostics. Some management functions can be performed via a local RS-232 terminal.

  • E1, V.35 and Fast Ethernet extension over multiple SHDSL.bis lines
  • Standards-compliant SHDSL (ITU-T G.991.2 and ETSI 101524)
  • Up to 11.4 Mbps over 4-wire
  • EFM (Ethernet in the First Mile) bonding per IEEE 802.3-2005; M-Pair bonding for HDLC per G.991.2
  • TC-PAM 16 or TC-PAM 32 line coding
  • Ethernet bridging
  • VLAN prioritisation and Ethernet QoS support
  • SHDSL EOC management channel (in-band)
  • Functions as CPE opposite central devices (LRS-102/Megaplex-4100)

Our service portfolio is tailored to each individual customer’s needs. We aim to offer complimentary services to our customers to help them deliver the service level agreements they are contracted to provide.

For more information, view our Service Portfolio

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