Rohde and Schwarz CMS57

B1	OCXO reference oscillator, aging : 2*10E-7/year
B2	OCXO reference oscillator aging: 1*10E-7/year
B22	10 MHz ref. Frequency input/output
B31	Additional RF in/output
B32	100 W RF power meter
B33	300 Hz low-pass filter for CMS-B5(models 06,10,12) and CMS-B55
B34	13 dBm output (additional BNC output)
B5	Control interface with CCITT filter, DTMF decoder and Centronics interface
B55	Centronics interface CCITT filter and DTMF decoder, instead of CMS-B5
B60	Protection for input 2 with replaceable fuse (for new CMS52/54/57 only)
B9	Duplex modulation meter for CMS55/57 with ACP meter and tracking
DCV-2	Documentation of calibration values
DCV-ZP	Printout of DCV (additional, in combination with DCV-Option only)
DKD	CMS DKD (ISO17025) calibration incl. ISO 9000 calibration (order only with device)
Z2	Accessory: Memory card, 128 KB
Z37	Accessory for CMS: Adapter for VSWR sensors NAS-Z1/-Z3/-Z5/-Z6 and -Z7
Z40	Accessory for CMS: Carrier bag
Z41	Accessory for CMS: Battery pack with charger
Z7	Accessory: Battery connector for external DC power supply