ADTRAN MX2800 M13 - Manual (Page 28)

2-6 61200290L1-1G
Section 2, Installation and Operation MX2800 M13 Multiplexer User Manual
6. REAR PANEL
The MX2800 rear panel is equipped as follows:
• Ethernet local area network (LAN) port
• Modem port
• Two alarm output terminal blocks
• Two sets of DS-3 in/out jacks
• Two amphenol connectors
• DC/AC power connection
• Ground stud
• Three-prong AC connection
• Wire-wrap pins for external connection of BITS clock (STS-1)
Descriptions for the items shown in Figure 2-3 are explained in Table 2-2 . Pin assignments are given in
the tables in Appendix B , Pinouts .
Figure 2-3. MX2800 Rear View
Table 2-2. MX2800 Review View Identifiers
# Item Function
1 Ethernet LAN 10Base-T Ethernet connection
2 Modem Telephone line connection for internal V.34
3 Noncritical/Critical Connections for external audible/visual alarms
4 DS3/STS-1 T3 service connection for controller cards A and B
5 DSX-1/E1 64-pin female amphenol connectors for T1/E1s
6 Power DC power connection
7 Ground stud
8 115 VAC 50/60 Hz AC power connection
9 BITS Clock Wire-wrap pins for external connection of BITS clocks
DC POWER 115 AC 50/60Hz 0.8A
PWR FAIL +
T R S T R
CLK A CLK B
S
–
L
A
N
NONCRITICAL
DSX-1/E1
(OUT)
DSX-1/E1
(IN)
NO COM NC
CRITICAL
M
O
D
E
M
OUT IN
A
B
A
-48V 0.7A
B
DS3/STS-1
PWR FAIL + –
+24V 1.5A
1
2
3
4 5
6
7
8
9
USE COPPER
CONDUCT
ORS ONL
Y!