Options
RCX C-Link User’s Guide
15
EDT, Inc. November 2006
•
A 7-pin Lemo connector instead of our standard coaxial power connector, allowing:
— a Lemo connector to DB-9 with RS-232 drivers for an extra UART port across the fiber, or
— local triggering directly into the camera, using a DB-9 to Lemo cable.
•
Resync cable for use at frame-grabber end of medium- and full-mode extension cords.
•
A two-foot Camera Link extender cable is available. Contact EDT for a quote on EDT part number
016-02563-00. Other lengths are possible from
3M Corp
; their website lists this as a 3M™ Mini D
Ribbon (MDR) Cable Assembly, .050". Search for part numbers that include the string
TZLB
, and
choose a result that refers to 1W226-TZLB-XXX-0LC.
If the RCX C-Link is attached to a cable rather than the camera, you might need to secure it as
needed using the mounting holes on the RCX C-Link module case.
NOTE
The mounting nuts in the top of theRCX C-Link case use 4-40 threads. To avoid damaging the
RCX C-Link, mounting screws must not extend more than 0.2 inch into the case.
Fiber Optic Transceivers
Our standard RCX C-Link currently uses the 850 nm
Stratos Lightwave SLC-25-C-1-E
fiber optic
transceiver. An extended-range option uses the 1310 nm
Finisar FTRJ11319F1GTL
. Transceivers
from other vendors may be substituted without notice.
CAUTION
Though the transceivers we use conform to regulated limits, to avoid damaging your eyesight,
never look directly into a fiber optic transceiver of any kind.
These transceivers can be used with different kinds of optical fiber, as shown in
Table 5
:
Other types of transceivers are also available as options:
Single fiber transceivers
These have an integrated passive optical multiplexer and transmit data in each
direction over one fiber using different colors of light. This is especially useful when
going through an optical rotary joint. Some operate at distances up to 60 Km.
CWDM transceivers
These use up to 16 different colors of light, split and combined by passive optical
multiplexers external to the RCX C-Link. With these, it’s possible to operate a
dozen different cameras simultaneously over a single fiber.
DualTX and DualRX transceivers
These are used in our full-mode solutions, as the secondary camera link connector
must carry twice as much data as the primary connector.
Table 5. Transceiver and Fiber Combinations
Thickness
(microns)
Fiber Type
Wavelength
Maximum length (meters)
at 1.25 GBaud
at 2.5 GBaud
62.5
multimode
850 nm
300
150
50
multimode
850 nm
500
250
9
single-mode 1310
nm
10,000
5000
