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REAR PANEL
The MX2800 STS-1 rear panel is equipped with a LAN port, a
modem port, two alarm output terminal blocks, two sets of NET
in/out jacks, two Amphenol (Amp) connectors, and DC/AC power
connections. Figure 2-3 illustrates the rear panel and identifies its
equipment. Descriptions for these items follow the figure. Pin
assignments are given in Appendix A, Pinouts.
3
N E T
NONCRITICAL
L
1
A
N
OUT
NO COM NC
M
O
2
D
E
M
CRITICAL
#
Item
1
LAN
2
Modem
3
Noncritical/Critical Connections for external audible/visible alarms
4
NET
5
DSX-1/E1
6
Power
7
8
115 VAC 50/60Hz AC power connection
61200659L1-1
A
4
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)
Network service connections for controller cards A and B
64-pin Amp connectors for T1/E1s
DC power connection
Ground stud
MX2800 User Manual
Chapter 2. Installation and Operation
DSX-1/E1
(OUT)
5
DSX-1/E1
(IN)
Function
Figure 2-3. MX2800 STS-1 Rear View
115VAC 50/60HZ
0.8a
DC POWER
7
8
PWR
RET
PWR
RET
FAIL
FAIL
B
A
6
USE COPPER
CONDUCTORS ONLY!
2-7
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