
1050 APS Chassis Rear View
STATUS
ALARMS
UNIT A
1555P
UNIT A
UNIT B
FORCE A
NORM
FORCE B
FAULT
UNIT A
UNIT B
UNIT A
UNIT B
FACILITY
TX
RX
EQPT
TX
RX
UNIT B
FACILITY
TX
RX
EQPT
TX
RX
LOOP
UNIT A
UNIT B
LOOP A
NORM
LOOP B
T-VIEW
A
B
1555P Controls and Indicators
Index Indicator Description
STATUS
1 UNIT A / B Indicates the current path.
2 FORCE ‘Forces’ selection to Path A or B. NORM is used for software control.
ALARMS
3 UNIT A / B Indicates that a path is in an alarm condition.
4 FAULT Indicates that the path is experiencing a fault (an error or failed condition).
FACILITY
5 FACILITY TX Indicates that the signal is being transmitted toward the network.
6 FACILITY RX Indicates that the signal is being received from the network.
7 EQPT TX Indicates that the equipment is transmitting a signal toward the network.
8 EQPT RX Indicates that the equipment is receiving a signal from the network.
LOOP
9 LOOP A/B Indicates that the 1555P is in a loopback mode on Path A/B.
10 LOOP SELECT Select switch used to select loop for Path A/B.
T-VIEW
11 T-VIEW A/B Local service port for Path A/B.
1
3
4
5
7
5
7
9
10
11
11
6
8
6
8
2
J5
J6
J7
J1
J2
C14C13C12C11C10C9C8C7C6C5C4C3C2C1
C15
J8
J9
J3
J4
36 35
21
TB1
P1 P2
36 35
21
36 35
21
36 35
21
36 35
21
36 35
21
36 35
21
36 35
21
36 35
21
36 35
21
36 35
21
36 35
21
36 35
21
36 35
21
Pinouts for J1-J4 & J6-J9
(50-Pin Miniature
Female Connector)
Circuit # Tip Ring
1 Pin 1 Pin 26
2 Pin 2 Pin 27
3 Pin 3 Pin 28
4 Pin 4 Pin 29
5 Pin 5 Pin 30
6 Pin 6 Pin 31
7 Pin 7 Pin 32
8 Pin 8 Pin 33
9 Pin 9 Pin 34
10 Pin 10 Pin 35
11 Pin 11 Pin 36
12 Pin 12 Pin 37
13 Pin 13 Pin 38
14 Pin 14 Pin 39
TRANSPORT
®
TxPORT Customer Service
127 Jetplex Circle
Madison, Alabama 35758
Customer Service Returns:
800-926-0085, ext. 227
Product Technical Support
(8 a.m. to 5 p.m.)
800-285-2755 or
205-772-3770, ext. 255
After Hours Hot Line:
205-551-7538
TRANSPORT
®
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