description: the agilent hp 37900d is a signaling test set.
other info:
the agilent hp 37900d signaling test set monitors up to fourbi-directional signaling links simultaneously. for in-serviceperformance measurements, the dedicated triggers and filters enablethe unit to collect the signaling meassages required and to displayreal-time signaling interactions. the unit is an ideal tool forinstalling and maintaining fixed and wireless networks. it supportsthe following protocols: gsm, pcs, is41, map, itu-t, etsi, ansi,bellcore, ain, inap, v5, x.25, isdn bri and pri and nationalvariants