rad Megaplex 2100/2104 modules:

Product Description Size
HS-2 2-Channel High Speed Data Module 305KB
HS-6N, HS-12N 6/12-Channel High Speed Data Module 604KB
HS-703 4-Channel G.703 Codirectional Data Module 315KB
HS-DP/3, HS-DP/6 3/6-Channel OCU-DP Data Modules 819KB
HS-ETH 1/2/4-Channel Ethernet Bridge/Router Modules 618KB
HS-ETH/SW 4-Port 10/100BaseT Ethernet Bridge Module with Layer 2 Switch 545KB
HSF-1, HSF-2 Fiber Optic Teleprotection Interface Module 450KB
HS-RN 4-Channel Low Speed Data Module with End-to-End Control Signaling 124KB
HS-S 4-Channel ISDN S Interface Data Module 394KB
HS-U, HS-U-6, HS-U12 4/6/12-Channel ISDN U Interface Data Modules 851KB
LS-6N, LS-12 6/12 Channel Low Speed Data Modules 900KB
ML-1/2E1/T1, MLF-1/2E1/T1 Copper or Fiber Optic Interface, Single/Dual E1/T1 Main Link Modules 843KB
ML-8E1, ML-8T1 8 Port Main Link E1 and T1 Module 732KB
ML-20N Single/Dual n x 64 kbps Main Link Module 336KB
ML-IP TDMoIP Main Link Module 2,556KB
MSL-8 8-Port SHDSL E1 Module 554KB
Ringer-2100R, Ringer2000, Ringer-2200N DC Feed and Ring Power Supplies for Voice/Fax and ISDN Modules 695KB
VC-4, VC-4A, VC-8, VC-8A, VC-16 4/8/16-Channel PCM and ADPCM Voice Modules 1,433KB
VC-4/OMNI Omnibus PCM Voice Module 894KB
VC-6LB, VC-6/4LB 6/4-Channel PCM Voice Modules for Local Battery Telephones 666KB
VC-16A 16-Channel ADPCM Voice Module (No Signaling) 485KB
VF-24/30/48/60 Single/Dual E1/T1 Digital Voice Compression Modules 1,469KB
VFS-24/30/48/60 Single/Dual E1/T1 Digital Voice Compression Server Modules 869KB