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3
DSX-3
4
NONCRITICAL
L
1
A
N
OUT
NO COM NC
M
O
2
EXT CLK
D
E
M
CRITICAL
#
Item
1
LAN
2
Modem
3
Noncritical/Critical
4
Ext Clk
5
DSX-3
6
DSX-1/E1
7
Power
8
9
115 VAC 50/60Hz
LAN Port
The
10BaseT ethernet LAN interface. This
SNMP and Telnet control.
Connect the LAN port to intra-building wiring only.
61200290L1-1
A
5
IN
B
10BaseT LAN connection
Note: The LED to the right of this connector illuminates
when the unit is connected to an active ethernet seg-
ment.
Telephone line connection for internal V.34 modem
(see note on page 2-8)
Connections for external audible/visible alarms
Connection for a 44.736 MHz, 20 ppm, 1 Vpp sinusoid
to externally time the DS3 interfaces
T3 service connections for controller cards A and B
64-pin Amp connectors for T1/E1s
DC power connection
Ground stud
AC power connection
port is an 8-pin modular connector that provides a
LAN
MX2800 User Manual
Chapter 2. Installation and Operation
DSX-1/E1
(OUT)
6
DSX-1/E1
(IN)
Function
Figure 2-3. MX2800 Rear View
LAN
115VAC 50/60HZ
DC POWER
8
9
PWR
PWR
RET
RET
FAIL
FAIL
B
A
7
USE COPPER
CONDUCTORS ONLY!
interface is used for
0.8a
2-7
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