Handbook

Axell Wireless Limited
Technical Literature
WMATA CRCS Redundant Antenna System
General Overview
Document Number 60-228701HBK Issue No. 3 Date 28/05/2010 Page 36 of 114
LMT Port
Modem Status
Modem Power
Status
Login
4.5.4. 8 Ch. Squelch Gated BDA 60-228704 Front View
A N type port “A”, Band 1 D/L I/P from Quadplexer (Base) 60-228706
B N type port “C”, Band 1 D/L O/P to Quadplexer (DAS) 60-228706
C N type port “F”, Band 1 D/L O/P to Splitter/Combiner Unit 60-228702
(1)
D N type port “D”, Band 1 U/L I/P from Quadplexer (DAS) 60-228706
E N type port “E”, Band 1 U/L I/P from Splitter/Combiner Unit 60-228702
(2)
F N type port “B”, Band 1 U/L O/P to Quadplexer (Base) 60-228706
G
24V DC input from PSU module 96-300091 in PSU shelf 96-300090
H 15A fuse for DC input
I Green LED “POWER”, illuminated during normal operation
J 9 pin “D” panel plug “ALARM” local alarm output
K External Alarm and Battery Module J1161030
(3)
L Control Module H561003
(3)
M
Alarm to Krone Terminal Block on rack
N 9 pin “D” panel socket “LMT Port”, A local serial port enabling interrogation of alarm data by PC/laptop
O
RJ45 Ethernet socket enabling interrogation of alarm data by PC/laptop
(1)
Coupled from the D/L O/P to port “C”
(2)
Coupled to the U/L O/P to port “B”
(3)
For more information on the Control Module H561003 and External Alarm and Battery Module J1161030,
see document A1829300.