Total Access 850 System Manual
Section 2 Engineering Guidelines
64203376L1-1B
© 2004 ADTRAN, Inc.
31
Faceplate Bantam Jack
The faceplate bantam jack provides a means to monitor the network T1 connected to the rear of the
Total Access 850 chassis. The jacks accept standard 310-type bantam plugs. Figure 5 display the bantam
jack monitoring points.
Figure 5. 3rd GEN RCU Bantam Jack Test Diagram
Table 6. 3rd GEN T1 RCU Faceplate LEDs
For these LEDs...
This color light...
Indicates that...
T1
GREEN
the network T1 interface is operational.
RED
the network T1 is in Red Alarm (meaning the T1 is down,
not connected, or framing is improperly configured).
AMBER
the network T1 is in test mode (loopback).
ETH
GREEN
there is a valid 10 Mbps Ethernet link.
AMBER
there is a valid 100 Mbps Ethernet link.
RED
there is no active Ethernet link.
Clock and Data
Recovery
MON IN
Test Jack
T1
RX
PAIR
Line Format
Decoder
To
Backplane
Receiver Circuitry
Transmitter Circuitry
MON OUT
Test Jack
Local
Loopback
Point
T1
TX
PAIR
From
Backplane
Line
Loopback
Point
Payload/CSU
Loopback
Point
Equalizer
Line Format
Encoder
DJAT
T1
R1
T
R
Summary of Contents for Total Access 850
Page 14: ...Table of Contents Total Access 850 System Manual 14 2004 ADTRAN Inc 64203376L1 1B ...
Page 16: ...Section 1 System Description Total Access 850 System Manual 16 2004 ADTRAN Inc 64203376L1 1B ...
Page 22: ...Section 1 System Description Total Access 850 System Manual 22 2004 ADTRAN Inc 64203376L1 1B ...
Page 224: ...Section 5 DLP 4 Total Access 850 System Manual 224 2004 ADTRAN Inc 64203376L1 1B ...
Page 232: ...Section 5 DLP 6 Total Access 850 System Manual 232 2004 ADTRAN Inc 64203376L1 1B ...
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Page 264: ...Section 5 DLP 16 Total Access 850 System Manual 264 2004 ADTRAN Inc 64203376L1 1B ...
Page 278: ...Section 6 ADTRAN Utilities Total Access 850 System Manual 278 2004 ADTRAN Inc 64203376L1 1B ...