CHAPTER 2: Introduction

Telco Distribution

Transmission Equipment

Frame (PBX, Mux, etc.)

(CSU/DSU, NTU, FRAD, etc.)

with Coax G.703 Ports

with Twisted-Pair

 

 

G.703 Ports

 

Wide-Area

Adapter

Network

Twisted-Pair

 

Cabling

Figure 2-1. Using a single Adapter to connect a coaxial G.703 device to

a twisted-pair G.703 device.

Telco Distribution

 

 

 

Frame (PBX, Mux, etc.)

Transmission Equipment

 

with Coax G.703 Ports

 

(CSU/DSU, NTU, FRAD, etc.)

 

 

 

with Coax G.703 Ports

 

 

 

 

Wide-Area

Adapter

Site Wiring

Adapter

Network

 

 

(UTP)

 

 

Figure 2-2. Using a pair of Adapters to run a G.703 link through

twisted-pair site wiring.

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Black Box MT256A-F, MT257A, G.703 Adapters and Balun Mate II manual