1001 - Fuse Mounting 4001
20 pair glass fused MDF block. Originally supplied with a metal can that covered the block. Pairs are wrapped and soldered.
1003 - Gate Type 4028
20 pair gate type MDF block. Originally supplied with a metal can that covered the block
1005 - Fuse Mounting 8064
40 pair wire wrap MDF block
1006 - Fuse Mounting 10064
50 pair wire wrap MDF block
1008 - Tie Block 170/10A
This block is normally used for junction or tie cables.
1007 - Jack Test 37- 39
100 Pair wire wrap MDF Block. This block has several variants.
1. Fuse module on the face of the block with GTDs.
2. Hinged
1009 - Jacks Test 44 - 49
100 pair IDC white MDF block, made by Porta Systems. This is currently the most modern MDF block on a BT frame.
Cosmic 112 AVAYA - AT&T
100 pairs Cosmic Modular frames