T:LAN Hard­ware Revisions Explained

A lot has changed over the years since we first released the T:LAN in 1999. Different hardware revisions introduced new advances in technology. They have also transformed the roles that this product family has been fulfilling. Here is a condensed overview, listing the differences between each iteration:

Model	Revision	FLASH ROM	DRAM	WAN	LAN	RIO	SER	SPX	Status
T:LAN NetPro 100	Rev.1x	1MB	4MB,a	1	1	c	1	-	L
T:LAN NetPro 200	Rev.1x	1MB	4MB,a	2	1	c	1	-	L
T:LAN NetPlex 200	Rev.1x	1MB	4MB,a	2	1	-	1	-	L
T:LAN NetStream 200	Rev.1x	1MB	4MB,a	2	1	-	1	-	L

Model	Revision	FLASH ROM	DRAM	WAN	LAN	RIO	SER	SPX	Status
T:LAN NetPro 142	Rev.2x	1MB	4MB,a	1	4	c	2	-	L
T:LAN NetPro 144	Rev.2x	1MB	4MB,a	1	4	c	4	-	L
T:LAN NetPro 242	Rev.2x	1MB	4MB,a	2	4	c	2	-	L
T:LAN NetPro 244	Rev.2x	1MB	4MB,a	2	4	c	4	-	L
T:LAN NetPlex 242	Rev.2x	1MB	4MB,a	2	4	-	2	-	L
T:LAN NetPlex 244	Rev.2x	1MB	4MB,a	2	4	-	4	-	L
T:LAN NetPlex 242DX	Rev.2x	1MB	4MB,a	2	4	-	2	-	L
T:LAN NetStream 242	Rev.2x	1MB	4MB,a	2	4	-	2	-	L
T:LAN NetStream 244	Rev.2x	1MB	4MB,a	2	4	-	4	-	L
T:LAN NetStream 242DX	Rev.2x	1MB	4MB,a	2	4	-	2	-	L
T:LAN OCP 242	Rev.2x	1MB	4MB,a	2	4	-	-	-	L

Model	Revision	FLASH ROM	DRAM	WAN	LAN	RIO	SER	SPX	Status
T:LAN NetPro e42	Rev.3x	1MB	4MB,a	f	4	d	2	-	L
T:LAN NetPro e44	Rev.3x	1MB	4MB,a	f	4	d	4	-	L
T:LAN NetPlex e42	Rev.3x	1MB	4MB,a	f	4	-	2	-	L
T:LAN NetPlex e44	Rev.3x	1MB	4MB,a	f	4	-	4	-	L
T:LAN NetPlex e42DX	Rev.3x	1MB	4MB,a	f	4	-	2	-	L
T:LAN NetStream e42	Rev.3x	1MB	4MB,a	f	4	-	2	-	L
T:LAN NetStream e44	Rev.3x	1MB	4MB,a	f	4	-	4	-	L
T:LAN NetStream e42DX	Rev.3x	1MB	4MB,a	f	4	-	2	-	L
T:LAN OCP e40	Rev.3x	1MB	4MB,a	f	4	-	-	-	L

Model	Revision	FLASH ROM	DRAM	WAN	LAN	RIO	SER	SPX	Status
T:LAN NetPro e42	Rev.4x	4MB	16MB,b	f	4	d	2	-	P
T:LAN NetPro e44	Rev.4x	4MB	16MB,b	f	4	d	4,up to 20	e	P
T:LAN OCP e40	Rev.4x	4MB	16MB,b	f	4	-	-	-	P

LEGEND:

-	N/A
a	4MB standard
		8MB optional
		16MB optional
b	16MB standard
c	Supported
		RIO4802 (all variations) only
d	Supported
		RIO4802 (all variations),
		RIO1608R8S4 (all variations)
e	Supported
		Expands serial port capacity to 20 RS-232 ports
f	Number of WAN ports depends on label information:
		(-/-)	0 WAN ports	(LAN only)
		(T/-)	1 WAN port	(T1/E1)
		(T/T)	2 WAN ports	(T1/E1)
		(G/-)	1 WAN port	(G.703)
		(T/G)	2 WAN ports	(T1/E1+G.703)
		(G/G)	2 WAN ports	(G.703)
L	Legacy (EOL)
		No longer in production
		Last supported OS version: BN7610
P	Current
		In production
Modems	Optional on all models (except OCP)
		Presence of a modem is indicated by
		the suffix 'm' added to model number.
		Example: T:LAN NetPro e44m

                
Ralf Doewich
Optima Tele.com, Inc.