Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
M-DACS-T1 RFL Electronics Inc.
G G G
LOOP INT EXT
G Y R
TX LPBK ERR
G Y R
RX BPV FRM
Figure 7-8. CM4 front panel LED indicators
Table 7-1. Indicator status during M-DACS multiplex
e
r loopback
Module LED Indicator
T1 Port Loopback
(1)
DACS Module DS1 ON
DS2 ON
CM4 D/I-A RX and TX ON
LOOP ON (2)
INT and EXT OFF
FRM OFF
ERR and BPV OFF
LPBK OFF
CM4 D/I-B RX and TX ON
LOOP ON (2)
INT and EXT OFF
FRM OFF
ERR and BPV OFF
LPBK OFF
Power supply NORMAL ON
ALERT OFF
ALARM OFF
1. Electrical or fiber optic.
2. In a drop/insert multiplexer, the LOOP indicator actually indicates THRU
timing.
October 25, 2004 7-16 (973) 334-3100