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Section 1, Introduction
Telnet
4.
TELNET
Telnet provides a password-protected, remote login facility to the MX2800 STS-1 that allows a remote
user to control the MX2800 STS-1 through the terminal menus. Only one Telnet menu session may be
active at a time.
5.
TL1
Transaction Language 1 (TL1) is an ASCII based language that supports both command-response and
autonomous (NE) message generation. Commonly, TL1 is used over a X.25 packet network but is
completely independent of any physical layer protocols. For the MX2800 STS-1, TL1 is implemented as a
Telnet session running over either Ethernet or PPP. Up to eight TL1 Telnet connections may be active at a
time.
6.
AVAILABLE OPTIONS
The following optional equipment is available for use with the MX2800 STS-1. Contact a local distributor
or the ADTRAN sales department for more information.
Breakout Panel (P/N 1200291L1)
The optional breakout panel connects to the MX2800 STS-1 and provides 28 RJ connectors for the individ-
ual T1s/E1s. Shipment includes two six-foot, 64-pin to 64-pin amphenol cables which allow direct cabling
to the MX2800 STS-1 (refer to
BNC Patch Panel (P/N 1200291L5)
The optional BNC Patch Panel connects to an MX2800 Chassis or equivalent and is mountable to a
19-inch rack. The panel converts the T1/E1 transmit-and-receive signal interfaces from 120-ohm amphe-
nol interfaces to 75-ohm coaxial (BNC). This allows easy 75-ohm impedance-matched access to both the
transmit and receive lines of each T1/E1 channel. Each of the twenty eight BNC interfaces is configurable
as either balanced or unbalanced. The frame ground of the patch panel is connected to a ground lug acces-
sible on the rear of the patch panel. See
TX
RX
OPEN
CH 1
ON
ON
EARTH
OPEN
CH 2
ON
ON
EARTH
OPEN
CH 3
ON
ON
EARTH
OPEN
CH 4
ON
ON
EARTH
OPEN
CH 5
ON
ON
ON
EARTH
1-6
Connecting the Breakout Panel
Figure
1-2.
TX
RX
TX
OPEN
OPEN
CH 6
CH 11
ON
ON
ON
ON
EARTH
EARTH
OPEN
OPEN
CH 7
CH 12
ON
ON
ON
EARTH
EARTH
OPEN
OPEN
CH 8
CH 13
ON
ON
ON
ON
EARTH
EARTH
OPEN
OPEN
CH 9
CH 14
ON
ON
ON
EARTH
EARTH
OPEN
OPEN
CH 10
CH 15
ON
ON
ON
ON
ON
EARTH
EARTH
Figure 1-2. Optional BNC Patch Panel
on page 2-5 for more information).
RX
TX
RX
OPEN
CH 16
ON
ON
EARTH
OPEN
CH 17
ON
ON
ON
EARTH
OPEN
CH 18
ON
ON
EARTH
OPEN
CH 19
ON
ON
ON
EARTH
OPEN
CH 20
ON
ON
ON
ON
EARTH
MX2800 STS-1 User Manual
TX
RX
TX
RX
OPEN
OPEN
CH 21
CH 26
ON
ON
ON
ON
EARTH
EARTH
OPEN
CH 22
ON
ON
EARTH
OPEN
OPEN
CH 23
CH 27
ON
ON
ON
ON
EARTH
EARTH
OPEN
CH 24
ON
ON
EARTH
OPEN
OPEN
CH 25
CH 28
ON
ON
ON
ON
ON
EARTH
EARTH
61204659L1-1A
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