Features ■ Convenient test access ■ Rapid fault diagnosis ■ Industry-standard connectors ■ Rugged, long-lasting materials Central Office Connector Block Accessories Test Cords 303-1001 This test cord plugs into the test field of the C(G)-303, C(G)-310, C-377, C-388 and C(G)-390 CO Connectors and allows single pair identification by tone device or by grounding. It permits pair shorting, grounding of shorted pairs and individual tip or ring grounding. It is also used for fast hook-up to test sets. The 303-1001 is equipped with a test field plug on one end and two insulated alligator clips on the other end. NT8G99AA This test cord is the same as the 303-1001 except it is designed expressly for use with the C(G)-391 connector. 303-1013 The cord plugs into the protector module field testing toward central office or outside plant, is equipped with a plug on one end, and the other end is free to connect your own plug. 303-1203 This bridging module fits into the protector module sockets that will allow the 303-1200 test cord listed on this page to be connected to the protector module field. 303-1200 This patch cord connects to the protector module outside plant or central office pairs or to the bridging module. They are used to perform tests on bridging, carrier and special circuits. 303-1213 This test cord is equipped with mini-test clips on one end and two insulated alligator clips on the other end. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications Central Office Connector Block Accessories Test Cords (Continued) 303-1103 The cord plugs into the protector module field for testing. It is equipped with a bridging module on one end and two insulated alligator clips on the other end. Specifications Product Code 303-1001 NT8G99AA 303-1213 303-1013 303-1203 303-1200 303-1103 Length m (ft.) 0.53 (1.75) 0.53 (1.75) 0.53 (1.75) 6.1 (20) — 0.91 (3) 1.22 (4) Conductors 2 2 2 4 4 pins 2 pins 2 Termination Test field plug/two alligator clips Test field plug/two alligator clips; for C(G)-391 only Mini clips/two alligator clips Module field plug/unterminated Bridging module (protector module/socket for test cords) Two-pin protector module-bridging module plug/two alligator clips Bridging module/two alligator clips How to Order Product Code 303-1001 NT8G99AA 303-1213 303-1013 303-1203 303-1200 303-1103 Part Number A0310189 A0350300 A0344522 A0298286 A0312840 A0312839 A0312982 Description Test Cord Test Cord Test Cord Test Cord Bridging Module Patch Cord Test Cord Standard Pack 1 1 1 1 1 1 1 Size mm (in.) 25.0 x 25.0 x 51.0 (1 x 1 x 2) 25.0 x 25.0 x 51.0 (1 x 1 x 2) 25.0 x 25.0 x 51.0 (1 x 1 x 2) 25.0 x 200 x 51 (1 x 8 x 11) 60 x 20 x 13 (2.38 x 0.75 x 0.5) 220 x 110 x 90 (8.63 x 4.25 x 3.38) 25.0 x 100 x 200 (1 x 4 x 8) Weight kg (lb) 0.03 (0.06) 0.03 (0.06) 0.03 (0.06) 0.34 (0.75) 0.01 (0.5) 0.06 (2.0) 0.57 (1.25) Note: Order by Part Number. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications Central Office Connector Block Accessories Circuit Markers Bourns® circuit markers are used to indicate Special Safeguarding Measures/Special Service Protection (SSM/SSP) circuits on the 303-family of connectors. 303-1019 The test point insulator button fits into the recesses on the test field to isolate the pairs from accidental contact by test points or during testing with a front tap shoe. The buttons are made of a red plastic material and are designed to snap into place to cover one test field contact. Not compatible with C(G)-391. 545-1137 The red-colored plastic cap is used to mark and prevent accidental access to wire-wrap terminals of special circuits. The cap is designed to fit snugly over a wire-wrap terminal. One is required for each terminal. A0321718 A0408552 Test-point insulator button for C(G)-391 only (not shown). How to Order Product Code 303-1019 A0408552 545-1137 Part Number A0310190 A0408552 A0321718 Description Test Point Insulator (except C(G)-391) Test Point Insulator (C(G)-391 only Wire-wrap Terminal Cap Note: Order by Part Number. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications Standard Pack 100 100 100 Size mm (in.) 25.0 x 80 x 130 (1 x 3 x 5) 25.0 x 80 x 130 (1 x 3 x 5) 25.0 x 80 x 130 (1 x 3 x 5) Weight kg (lb) 0.03 (0.06) 0.03 (0.06) 0.03 (0.06) Central Office Connector Block Accessories Mounting Bars and Brackets Bourns provides mounting bars and brackets for various connector types and applications made of heavy gauge steel. 377-1003 Bracket for wall-mounting a single C-377, C-388 or C(G)-390 connector block. C(G)-303 and C(G)-310 Connector Blocks Mounting bars are available for 7-, 8-, 9- and 11.5-ft high frames. Select the proper mounting bar by connector type and frame height. How to Order - Brackets Product Code 377-1003 Part Number A0337661 Description Mounting Bracket Standard Pack 1 Size mm (in.) 260 x 100 x 80 (10.38 x 4 x 3) Weight kg (lb) 1.90 (4.25) Note: Order by Part Number. How to Order - Mounting Bars for C(G)-303 and C(G)-310 Connector Blocks Product Code 022-1078-115 022-1079-115 022-1052-115 022-1057-115 022-1508-115 022-1121-115 022-1497-115 022-1496-115 Part Number A0386865 A0386867 A0386871 A0386875 A0386866 A0386868 A0386872 A0387156 Connector Type C-303 C-303 C-303 C-303 C-310 C-310 C-310 C-310 MDF Height m (ft.) 2.13 (7) 2.44 (8) 2.74 (9) 3.51 (11.5) 2.13 (7) 2.44 (8) 2.74 (9) 3.51 (11.5) Length mm (in.) 1651 (65) 1930.4 (76) 2057.4 (81) 3073.4 (121) 1828.8 (72) 2260.6 (89) 2184.4 (86) 3251.2 (128) Connector Capacity 3 4 4/5 6 5 5 6 9 Standard Pack 1 1 1 1 1 1 1 1 Note: Order by Part Number. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications Central Office Connector Block Accessories Universal Connector Mounting Bars Bourns® Universal Adapter Bars accommodate the compact spacing dimensions of the C(G)-391, C(G)-390, C-388 and C-377 connectors. They are normally used by mounting them on the ends of the transverse arms of the distributing frame at 8 inch centers. They may also be mounted on existing verticals using the slots provided. All the bars are made of 3.4 mm (0.135 in.) thick x 38 mm (1.5 in.) wide plated steel. The mounting bar provides electrical conduction when the distributing frame is used to provide a ground path for the connectors. How to Order Product Code Part Number MDF Height m (ft.) Overall Length mm (in.) 022-3917-115 022-3918-115 022-3919-115 022-3920-115 A0388387 A0359994 A0388388 A0388389 2.13 (7) 2.44 (8) 2.74 (9) 3.51 (11.5) 1676 (66.60) 1956 (77.00) 2362 (93.00) 3114 (122.60) Note: Order by Part Number. REV. A 08/09 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications Connector Capacity 377/388/390 391 6 7 7 8 8 10 11 12 Standard Pack 1 1 1 1