This module has 16 single pole relays arranged as an 8×2 matrix. The matrix may be operated and wired individually for up to 16 8×2’s per chassis, or jumpered to the backplane to form up to a 128×2 matrix. It is available with Type S reed relays for high speed, long life application. These modules are usually used for 2 wire testing where high and low meter leads must be switched between any two points. Often used for 2 wire LCR meter measurements, cable testing, or open / short testing in a variety of applications.