TRAK MODEL 9100 MODULAR FREQUENCY/TIME SYSTEM
TM4400013
Rev.
D
1-6
Table 1-2. Output Characteristics, References (continued)
OUTPUTS CHARACTERISTICS
5 MPPS (DDM)
Type:
TTL level square wave
On Time:
Positive going edge
Pulse width:
50 ns, ± 10 %
Rise/Fall Times
< 15 ns
Drive: 50
Ω
Connector:
BNC
Quantity:
4
Composite,
1 PPS + 5 MPPS
(DDM)
Type:
TTL level pulse
On Time:
Positive going edge of 1 PPS insertion point
Pulse width
50 ns, ± 5 ns, changing to 150ns, ± 5 ns, at 1 PPS
epoch
Rise/Fall Times
< 15 ns
Drive:
50
Ω
Connector:
BNC
Quantity:
4
Telecommunications,
T1 or E1
Type:
Clock, TTL, and RS-422 (1.544 MPPS for T1 or
2.048 MPPS for E1), square wave
(TEL)
Type
Framed, all ONEs, T1 or E1
Connectors
TTL clock, rear panel BNC. 15 pin “DD” for RS-422
clock and framed signals
Quantity
4 each of TTL, RS-422 clocks, and framed signals
