Fiberoptic G.703 to X.21 21-1601 Fibersystem Fo modem G703/X.21/230V 21-1601S Fibersystem Fo modem G703/X.21/RS530 230V 21-1651 Fibersystem Fo modem G.703/X.21 110V Fiberoptic G.703 E1 to Fibersystem proprietary protocol 21-170 Fibersystem Fo modem G.703 E1 2048kbps Fiberoptic G.703 64kbps Codir to Fibersystem proprietary protocol 21-180 Fibersystem Fo modem G.703 64kbps Fiberoptic G.703 Codir to C37.94 21-216 Fibersystem Fo modem G.703 Codir-IEEE C37.94 Fiberoptic IEEE C37.94 to G.703 E1 multiplexer 21-219 Fibersystem Fo modem IEEE C37.94 to G.703 E1 multiplexer Fiberoptic IEEE C37.94 over Ethernet SyncE 21-225 Fibersystem Fo IEEE C37.94 over Synchronous Ethernet Fiberoptic G703.6 over Ethernet SyncE 21-226 Fibersystem Fo IEEE G703 over Synchronous Ethernet Fiberoptic Multimode to Singlemode Converter 80-250km 21-203 Fibersystem Fo MM to SM 30dB 80km up to 120km 21-203 M/R Fibersystem Fo Medium Range MM to SM 46 dB 120km up to 140km 21-203 L/RFibersystem Fo Long Range MM to SM 50 dB up to 250km Fiberoptic Singlemode to Singlemode Booster 80-250km 21-223 Fibersystem Fo booster SM/SM 4B/5B SC-LC 30 dB 80km up to 120km 21-223 M/R Fibersystem Fo Medium Range booster SM/SM 4B/5B SC-LC 46 dB 120km up to 140km 21-223 L/R Fibersystem Fo Long Range booster SM/SM 4B/5B SC-LC 50 dB up to 250 km Fiberoptic IEEE C37.94 Delay unit 21-224 Fibersystem Fo IEEE C37.34 delay unit Fiberoptic Transfer Trip link 2-250km 23-450 Fibersystem Fo Transfer Trip link MM BI:110V. 10dB up to 2km 23-451 Fibersystem Fo Transfer Trip link MM BI:220V. 10dB up to 2km 23-452 Fibersystem Fo Transfer Trip link SM BI:220V. 31dB typical 80km up to 120km 23-453 Fibersystem Fo Transfer Trip link SM BI:110V. 31dB typical 80km up to 120km 23-455 Fibersystem Fo Transfer Trip link SFP BI: 220V 50dB up to 250km 23-456 Fibersystem Fo Transfer Trip link SFP BI: 110V 50dB up to 250km Fiberoptic Transceivers for RS232 - V24 - V28 20-101 Fibersystem HFBR to female D-sub ,RS-232/1 20-102 Fibersystem HFBR to male D-sub ,RS-232/1 Fiberoptic Switch (Photon Switch) 94-101 Fibersystem Fiberswitch 2x4 MM, LC 94-102 Fibersystem Fiberswitch 4x8 MM, ST 94-103 Fibersystem Fiberswitch 2x4 MM+2x4 SM, ST 94-104 Fibersystem Fiberswitch 2x8 MM, LC