Datasheet

1-6

PA-4E1G Serial Port Adapter Installation and Configuration

OL-3065-05

Chapter 1 Overview

Cables, Connectors, and Pinouts

Cable Product Numbers

Table 1-2 lists the product numbers and descriptions of the E1-G.703/G.704 cables.

Cable Distance Limitations

Unbalanced G.703 interfaces allow for a longer maximum cable length than those specified for balanced

circuits. Table 1-3 lists the maximum cable lengths for each E1-G.703/G.704 cable type by the

connector used at the network (non-port adapter) end.

Table 1-2 Product Numbers and Descriptions of E1-G.703/G.704 Port Adapter Cables

Cable Product Numbers Description

CAB-E1-TWINAX(=)

1. The appended equal sign (=) indicates a spare part.

E1 cable, twinaxial, 120-ohm, balanced, 5 m

CAB-E1-DB15(=) E1 cable, DB-15, 120-ohm, balanced, 5 m

CAB-E1-BNC(=) E1 cable, BNC, 75-ohm, unbalanced, 5 m

Table 1-3 E1-G.703/G.704 Maximum Cable Lengths

Connection Type BNC Twinaxial

Balanced – 300 m

Unbalanced 600 m –