User's Manual

RS- 5180CDMA800/1900 Dual Band Indoor Fiber Optic
Repeater
Comba Telecom
Edition
2.0
Date
2001-06 22 of 31
4.1.1 Connection with RF from BTS
In connecting RF signal from microcellular or BS, first confirm that the
downlink signal from BTS is ≤ 20dBm, otherwise, System may operate
abnormally or circuit may be damaged.
Optimum downlink signal level input into the port connected with GSM
BTS or 1800 BTS (14 and 15 in figure 4.1-1): +5 ~ +20dBm. The maximum
input should not be greater than 20dBm. +10dBm is suggested.
Figure 4-1 Master Unit Panel Composition Diagram