GE UR Series B30 Instruction Manual page 80

3.2 WIRING 3 HARDWARE
The IRIG-B repeater provides an amplified DC-shift IRIG-B signal to other equipment. By using one IRIG-B serial connec-
tion, several UR-series relays can be synchronized. The IRIG-B repeater has a bypass function to maintain the time signal
even when a relay in the series is powered down.
3
Figure 3–28: IRIG-B REPEATER
Using an amplitude modulated receiver causes errors up to 1 ms in event time-stamping.
NOTE
3-28 B30 Bus Differential System GE Multilin