The metal label on front frame lists a serial number ...778 - possibly obscured digits. Cables are co-axial. Red plastic label in center of plugboard marked 'VFSI'.
Harrisburg, Pa. U.S.
||On metal label on front frame. 'CAT. No.' is above the number.
overall: 4 in x 27 3/8 in x 24 5/8 in
Memory/connector / plugboard
SAP Collection, Computer History Museum