SIMPLEX 4100-6038 Dual RS232 Interface

SIMPLEX 4100 565-004 F REV F RS232 / 2120 DUAL COMMUNICATION FIRE ALARM BAORD

SIMPLEX 4100 RS232 / 2120 MODEM CARD 565-415, 4100-6038

Simplex 565-004 RS232 Serial Dual Communication Card

Simplex 4100-6038 - Dual Port RS-232 Interface Card

SIMPLEX 4100 565-004 REV C RS232 / 2120 DUAL COMMUNICATION FIRE ALARM BAORD

SIMPLEX 4100 565-004 F REV B RS232 / 2120 DUAL COMMUNICATION FIRE ALARM BAORD

Simplex 4100-6038 - Dual Port RS-232 Interface Card