Enterasys Networks 700 manual About the DELHW-UA

WAN Configuration

Port interface modules available for the DELHW-UA include:

DELDS-UI	DDS is Digital Data Services, a digital network that
	supports data rates of 56Kbps or 64Kbps. The DDS
	service provides users with dedicated, two-way
	simultaneous transmission capabilities operating at
	transfer rates up to 64 Kbps. This port module comes
	with a built-in CSU/DSU.
DELDI-UI	The DI (Drop-and-Insert) port interface module provides
	a T1 interface through a front-panel RJ45 port and
	includes a built-in CSU/DSU for direct connection to a
	T1 line. The DELDI-UI provides Full T1 or Fractional T1
	using 56 or 64 Kbps Time Slots. It also provides a second
	Drop-and-Insert interface that allows more than one
	device, such as a PBX, to share a single T1 connection.
DELE1-UI	This port interface module provides an E1 interface
	through a front-panel RJ-45 port and includes a built-in
	CSU/DSU for direct connection to an E1 line. It provides
	Full E1 or Fractional E1 using 56 or 64 Kbps Time Slots
	with a total throughput of up to 2 Mbps. Time Division
	Multiplexing (TDM) allows for the channelization of up
	to 31 links of a single physical interface.
DELST-UI	This port interface module provides an ISDN 128 Kbps
	Basic Rate Interface (BRI) and is designed for an ISDN
	back-up link for a frame relay or leased line. In the
	United States and Canada, Network Terminator
	equipment (NT1) is required to provide an interface
	between the DELST-UI and the ISDN line.
DELSY-UI	Provides a synchronous serial connection of up to 2.048
	Mbps to external communications equipment (an
	external CSU/DSU is required). An external CSU/DSU
	is required; the following electrical interfaces are
	supported (consult your hardware documentation for
	cable pinout information):
	EIA-RS449
	V.35
	EIA-RS232D
	X.21
	EIA-RS530
	EIA-530A
	RS530 ALT A
	RS530A ALT A
DELT1-UI	Provides a T1 interface through a front-panel RJ45 port
	and includes a built-in CSU/DSU for direct connection to
	a T1 line. The DELT1-UI provides both Full T1 or
	Fractional T1 using 56 or 64 Kbps Time Slots, with a total

7-2 About the DELHW-UA