Lay-1

This field is used to configure the lower section of the security layer (the data link layer) for the WAN layer.

Note: The range of available values depends on the hardware model at hand.
SNMP ID:
2.2.4.6 
Console path:
Setup > WAN > Layer
Possible values:
AAL-5
ATM adaptation layer
ETH
Transparent Ethernet as per IEEE 802.3
HDLC56K
Securing and synchronization of data transmission as per HDLC (in 7 or 8-bit mode)
HDLC64K
Securing and synchronization of data transmission as per HDLC (in 7 or 8-bit mode)
V110_9K6
Transmission as per V.110 at max. 9,600 bps, e.g. for dialing in by HSCSD mobile phone
V110_19K2
Transmission as per V.110 at max. 19,200 bps
V110_38K4
Transmission as per V.110 at max. 38,400 bps
SERIAL
For connections by analog modem or cellular modem with AT interface. The modem can be connected to the device at its serial interface (outband) or to a USB interface by means of a USB-to-serial adapter. Some models feature a CardBus slot that accommodates suitable cards. Some models have an internal integrated modem.
MODEM
For connections via the internal modem emulation when operating as a V.90 host modem over ISDN. Operation of the internal modem may require an additional software option for the device.
VDSL
VDSL2 data transmission as per ITU G.993.2
Default:
HDLC64K

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