Installing
Release 3.3 143
Peripheral Interface Cabling Tables
Use the tables to cable the Peripheral Unit card connectors to the main distribution frame.
Cable Connectors
Connectors for customer supplied 25-pair cables terminating on peripheral backplane (to MDF)
and SFT unit (to MDF) use AMP Champ or equivalent cable connectors:
• 50-pin RS (receptacle - screw lock)
•female
• screw lock
• 90 tapered slide-on hood.
USOC Connector Pin Designations
The USOC connector numbers are:
• RJ2I X for CO Trunks
• RJ2EX for 2-wire E&M Trunks
• RJ2FX for 4-wire E&M Trunks
• RJ2GX for 4-wire E&M Trunks
• RJ2HX for 4-wire E&M Trunks.
USOC Connector Pin Designations
Note: When cabling the SX-2000 MICRO LIGHT node connectors, use the cabling tables
that correspond to the Peripheral Interface card slot in the node.
Pin
Color
Code
RJ21X RJ2EX RJ2GX RJ2FX RJ2HX
26 W/BL T T T T T
1 BL/W R R R R R
27 W/O T E T1 E T1
2 O/W R M R1 SG R1
28 W/G T T E M E
3 G/W R R M SB SG
29 W/BR T E T T M
4 BR/W R M R R SB
30 W/S T T T1 E T
5 S/W R R R1 SG R
31 R/BL T E E M T1
6 BL/R R M M SB R1
32 R/O T T T T E
7 O/R R R R R SG