Spectracom NetClock 9489 - ASCII RS-232 Specifications

DCLS IRIG Output:
Signal Level: 0V to 4.3 V (TTL compatible) into 50 Ω
Output impedance of buffer is ~7 to 10 Ω
5.2.4.3 ASCII RS-232 Specifications
Outputs
:
±5V
DC
minimum, ±5.4 V
DC
typical
Signal Type and Connector
:
RS-232 DB-9F
RS-232 Input:
-25 V
DC
to +25 V
DC
+0.6V
IL min
, +1.2V
IL TYP
+1.5V
IH TYP
, +2.4V
IH MAX
Input impedance > 3kΩ
RS-232 Output:
±5V
DC
minimum
±5.4 V
DC
typical
Output impedance 300 Ω, minimum
-13.2 V
DC
to +13.2 V
DC
1PPS Output:
Signal level: 0V to 4.3 V (TTL compatible) into 50 Ω
Output impedance of buffer is ~7 to 10 Ω
Rise/fall times of ~20 nsec.
Pin Assignments
Figure 5-4: DB-9 connector "J2"
350 NetClock User Reference Guide
APPENDIX