Instruction manual

Section 2 Engineering Guidelines Total Access 850 System Manual
38 © 2004 ADTRAN, Inc. 64203376L1-1B
Table 17. Alarm Notification
Clock Wire-Wrap Strip (P1)
A single wire-wrap strip is provided on the Total Access 850 backplane for connection to an external bits
clock. The external bits clock may be used to provide master timing for the Total Access 850 system.
Customer Connection (P2)
One 50-pin female amphenol connector (P2) provides the interconnect wiring for the access modules located
in slots 1 through 6 of the chassis. This connector is usually terminated with a punch-down block for premises
wiring or connected directly to a cross-connect or main distribution frame. Figure 7 details the connector
pinout.
Figure 7. Connector Pinout
Alarm Condition Relays Activated
MJR MJVR -48 ALM
Red Alarm X X
Yellow Alarm X X
AIS Alarm X X
PSU Power Fuse Fails X X X
Alarms ACO Deactivates X X
Note: ACO will not deactivate MJR after a power fuse failure.
261
272
283
294
305
316
327
338
349
3510
3611
3712
3813
3914
4015
4116
4217
4318
4419
4520
4621
4722
4823
4924
5025
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
NC
N
C
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
50 PIN
AMP
RECEPTACLE
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
T
T
R
T
T
R
R
Slot 6
P
P
P
P
Circuit
1
Circuit
2
Circuit
3
Circuit 4
Circuit 1
Circuit 2
Circuit 3
Circuit 4
Circuit
1
Circuit
2
Circuit
3
Circuit 4
Circuit 1
Circuit 2
Circuit 3
Circuit 4
Circuit
1
Circuit
2
Circuit
3
Circuit 4
Circuit
1
Circuit
2
Circuit
3
Circuit
4
R