现场I/O

接口模块 Subscriber Line Interface Circuit (SLIC), Long Loop, Programmable Input & Network Balance Impedance, Internal Ringing, 5V Supply Voltage, Single-in-line (SIL)

接口模块 PSTN Interface / Central Office Interface Circuit (COIC), Fully-featured, Programmable Input & Network Balance Impedance, Internal Loop Switch, Programmable DC Mask, 3.3V to 5V Supply Voltage, Dual-in-line (DIL)

接口模块 Central Office Interface, Fully-featured, Programmable Impedances, Internal Loop Switch, Programmable DC Mask, Single-in-line

接口模块 PSTN Interface / Data Access Arrangement, Programmable Input & Network Balance Impedance, Internal Loop Switch, Programmable DC Mask, 3.3V to 5V Supply Voltage, Low Cost, Single-in-line (SIL)

信号调节器和信号转换器 MACX MCR-SL-TC-I-NC

I/O 模块 PROGRAMMABLE LOGIC CTRL 8/8T AC 4

I/O 模块 PROGRAMMABLE LOGIC CTRL 36/24T AC 4

I/O 模块 PROGRAMMABLE LOGIC CTRL 16/16R AC 4