US$ 297.50
with lockable test button
1 OPTICAL LINK MODULE WITH 1 RS485 AND 2 PLASTIC FO INTERFACES (4 BFOC SOCKETS)
P/N:QD LOH 050 CA & QD LOH 080 BA
ACCESSORY FOR: 3VA15/25 1000
Has broken plastic around connector
Siemens 6SL3060-4AM00-0AA0 Connection System with lockable test button