Contents

CONTENTS
1.0	Warranty Information	4
1.1	Radio and TV Interference	4
1.2	CE Notice	4
1.3	Service	5
2.0	General Information	6
2.1	Features	6
2.2	Description	6
3.0	Configuration	7
3.1	Configuring the Front Interface Card	8
	Switches SW3-2 and SW3-1: Clocking Mode	8
	Switches SW3-5: Front panel switch enabled/disabled	9
	Switch SW3-6: Response to DTE Request for Local
	and Remote Loop	9
	Switch SW3-4 Response to Remote digital (RDL) Loopback	9
	Switch SW3-3 Terminal (DTE) data sampled using
	the 2073RC Transmit clock or External Clock (provided by
	V.35 DTEs only)	9
3.2	Configuring the Rear Interface Card	10
	Model 1001RCM13448C Strap Settings	12
	DTE Shield (M/34 Pin A) & FRGND (JB3)	13
	SGND & FRGND (JB4)	13
	Model 1001RCM11548C Strap Settings	13
	DTE Shield (DB-15 Pin 1) & FRGND (JB3)	14
	SGND & FRGND (JB4)	15
	Model IM2RC/IA (10Base-T Ethernet Rear Card)	15
	Status	15
	Link	16
	Connecting to the network	16
4.0	Installation	18
4.1	The Model 1001R14 Rack Chassis	18
	The Rack Power Supply	18
	Powering up your 1001R14 rack	19
4.2	Installing the Model 2073RC into the chassis	19
4.3	Connecting to a DTE device	19
4.4	Connecting to a DCE device	19
4.5	Connecting to a G.703/64 kbps Network	20
5.0	Operation	21
5.1	LED Descriptions	21
	Loop (V.54 & Telco) Diagnostics	22
	Operating Local Loopback (LLB)	22
	Operating Remote Digital Loopback (RDL)	23
	Bit Error Rate (V.52) Diagnostics	23
A	Model 2073RC Specifications	24
A.1	Transmission Format	24