Toa VS-900 - Manual (Page 11)

11
• RS-160 Substation (Indoor Vandal-Resistant Type)
The RS-160 can call and converse with the registered master stations. It utilizes a single-pair shielded cable.
• RS-170 Substation (Outdoor Vandal-Resistant Type)
The RS-170 can call and make converse with the registered master stations. It utilizes a single-pair shielded
cable.
• RS-180 Substation (for Emergency Use)
The RS-180 can call and converse with the registered master stations. It has an indicator lamp and a control
output channel, and utilizes a single-pair shielded cable.
• RS-190 Substation (Full-Duplex Type)
The RS-190 can call and converse with the registered master stations. It has an indicator lamp and a control
output channel, and utilizes 2 pairs of twisted cables.
• RS-191 Option Handset (Indoor Type)
The RS-191 is used in combination with the RS-190. Lifting the handset permits handset conversation.