User Manual

AS4000 Operations and Maintenance
Section
605-0000-431
6
. Issue 1.6. Date3/2/99
DLP-024
Page 59 of 60 © Copyright Airspan Communications Corporation 1999
TYPE 4 PSU
Connector Detail
SRX+
SRX-
STX+
STX-
VIO
ORA
BLU WHI
RED
BLK
SCR
TO NTUs
FROM CRU
+VDC 0VDC SCR
TB1
TB2
3 2b2a1
4321 8765
7654
AGC
PC
Downlink
Uplink
Yellow
Grey
SRX+
SRX-
STX+
STX-
Figure 4-2. ST-I1 Drop Cable Connections to Type-4 PSU
5. Termination of NTUs
The V2 NTU cable (2 wire) is terminated as detailed in .
Table 1. NTU Terminations for ST-V2
Function NTU Terminations PSU Type 4
Terminal Block Terminations
VF1A NTU1 TB2 terminal 1
VF1B NTU1 TB2 terminal 2
VF2A NTU2 TB2 terminal 3
VF2B NTU2 TB2 terminal 4
The ISDN NTU cable (4 wire)for S interface TX and RX from NTU to the Junction
Box, securing with 4mm cleats as required and terminate as detailed in Table 2.
Table 2. NTU Terminations for ISDN
Function RJ45 NTU
Terminations
PSU Type 1
Junction Box
Termination
PSU Type 2
Terminal Block
Terminations
PSU Type 4
Terminal Block
Terminations
STX- 5 7 TB2 terminal 5 TB2 terminal 4
STX+ 4 8 TB2 terminal 6 TB2 terminal 3
SRX- 6 10 TB2 terminal 7 TB2 terminal 2
SRX+ 3 11 TB2 terminal 8 TB2 terminal 1