User Manual

AS4000 Subscriber Terminal
Installation and Commissioning DLP 018
605-0000-436
Issue 1.4 Date 11/4/99
Page 28 of 60 © Copyright Airspan Communications Corporation 1999
1. STMON communicates via the PC RS232 com port which connects to the ST drop
cable. The PC may be attached to the Junction Box with a cable terminated as in
Figure 5.
Downlink Comms - Yellow or brown on White
Uplink Comms - Grey or white on Brown
Ground - Black or blue on Red
Pin 1
Figure 5. STMON PC Connection
2a) Connecting to Junction Box (Type 1 PSU)
The ST connection is made via a 3.5mm stereo jack socket located on the drop
cable junction box. See Figure 6 below.
Downlink Comms - Yellow or Brown on White
Uplink Comms - Grey or White on Brown
Ground - Black or Blue on Red
Figure 6. STMON Junction Box Connection
2b) Connecting to Terminal Block (Type 2 PSU)
The ST connection is made by connecting the STMON cable to TB1 as shown
below.
+VDC 0VDC
SCR
UPLINK
DOWNLINK
TB1
12345
0v (Black or Blue on Red)
Uplink Comms (Grey or white on Brown)
Downlink Comms (Yellow or brown on White)
RS232
Pin
To
PC
Port
2
3
5
Figure 7. STMON Connections To Type 2 PSU
Note: Remove the grey wire from TB1 (2) and twist together with the grey
wire from STMON to isolate the uplink comms from the PSU.