6TASYS101-1E
TOTAL ACCESS 3000/3010
SYS-101
Page 15 of 46
Total Access
®
3000/3010 System Manual
© 2003, ADTRAN, Inc.
DS3MX
POWER
STATUS
TEST
LOCKOUT
ON LINE
APS
TEST/
ENABLE
1181020L2
Figure 7. DS3 MUX Faceplate
If Total Access 3000/3010 shelves are daisy chained together on the RS-485 bus, the
alarm status of each shelf in the daisy chain can be seen from the auxiliary shelf access
menu on the host SCU.
4.2 Multiplexer Modules
The Total Access 3000/3010 can receive its network source either directly from the
DSX cross connect panel, or from a high-speed network feed such as a DS3, STS-1 or
OC-3 connection. Two multiplexer slots, labeled A and B, allow installation of high-
speed multiplexers. Utilizing one multiplexer provides a reliable, high-speed network
connection. Two multiplexers provide automatic protection switching capability; one
MUX is online, the other is in standby. The DS3 and STS-1 multiplexers get their feed
from an optional BNC connector on the backplane (labeled E in Figure 4). The OC-3
multiplexers have two fiber optic cables that connect behind the faceplate.
4.2.1
DS3 Multiplexer Module (P/N 1181020L2)
The Total Access 3000/3010 DS3 Multiplexer serves as a DS3 interface into the
system via the optional RX/TX BNC module on the backplane. The DS3 multiplexer
terminates a standard DS3 signal (45 Mbps) from the network and converts the signal
into 28 DS1s (1.544 Mbps/ea) or seven DS2s (6.3 Mbps/ea) or any combination of the
two. See
Figure 7
.