Quick In stallation & Co nfigu ration Gu id e
AS W i p LL 900 MHz
16
Airspan Networks Inc.
13070311-02
6.4. SPR Serial Cabling
A Y-cable is used for SPR serial cabling. The Y-cable connects the SPR to both the PC and SDA.
Connector pinouts:
Straight-through Y-cable
SPR
SDA
15-pin D-type male
Pin
Function
Pin
Function
15-pin D-type male
1
+48 VDC
1
+48 VDC
2
48 RTN
2
48 RTN
3 Ethernet
Tx+
3 Rx+
4 Ethernet
Tx-
4 Rx-
5 Ethernet
Rx+
5 Tx+
6 Ethernet
Rx-
6 Tx-
SPR
PC
Pin
Function
Pin
Function
9-pin D-type female
12 GND
5
GND
14 RS232
Rx 3
Rx
15 RS232
Tx 2
Tx
Cable connection:
1. Connect the
15-pin D-type male
connector, at the one end of the Y-cable, to the SPR.
2. Connect the
15-pin D-type male
connector, at the other end of the Y-cable, to the SDA.
3. Connect the
9-pin D-type female
(RS232)
connector, at the other end of the Y-cable, to the PC’s serial
port.